/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_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:40:56,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:40:56,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:40:56,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:40:56,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:40:56,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:40:56,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:40:56,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:40:56,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:40:56,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:40:56,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:40:56,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:40:56,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:40:56,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:40:56,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:40:56,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:40:56,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:40:56,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:40:56,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:40:56,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:40:56,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:40:56,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:40:56,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:40:56,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:40:56,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:40:56,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:40:56,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:40:56,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:40:56,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:40:56,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:40:56,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:40:56,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:40:56,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:40:56,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:40:56,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:40:56,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:40:56,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:40:56,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:40:56,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:40:56,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:40:56,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:40:56,322 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 04:40:56,344 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:40:56,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:40:56,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:40:56,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:40:56,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:40:56,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:40:56,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:40:56,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:40:56,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:40:56,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:40:56,351 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:40:56,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:40:56,351 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:40:56,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:40:56,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:40:56,352 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:40:56,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:40:56,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:40:56,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:40:56,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:40:56,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:40:56,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:40:56,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:40:56,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:40:56,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:40:56,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:40:56,805 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:40:56,805 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:40:56,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-11-07 04:40:56,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93dfc2224/7f24cc8ae6524bc49493afaf1fe5a7c9/FLAG2eae3f47b [2020-11-07 04:40:57,596 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:40:57,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-11-07 04:40:57,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93dfc2224/7f24cc8ae6524bc49493afaf1fe5a7c9/FLAG2eae3f47b [2020-11-07 04:40:57,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93dfc2224/7f24cc8ae6524bc49493afaf1fe5a7c9 [2020-11-07 04:40:57,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:40:57,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:40:57,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:40:57,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:40:57,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:40:57,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:40:57" (1/1) ... [2020-11-07 04:40:57,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c4053e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:57, skipping insertion in model container [2020-11-07 04:40:57,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:40:57" (1/1) ... [2020-11-07 04:40:57,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:40:58,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:40:58,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:40:58,385 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:40:58,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:40:58,557 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:40:58,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58 WrapperNode [2020-11-07 04:40:58,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:40:58,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:40:58,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:40:58,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:40:58,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (1/1) ... [2020-11-07 04:40:58,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (1/1) ... [2020-11-07 04:40:58,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (1/1) ... [2020-11-07 04:40:58,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (1/1) ... [2020-11-07 04:40:58,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (1/1) ... [2020-11-07 04:40:58,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (1/1) ... [2020-11-07 04:40:58,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (1/1) ... [2020-11-07 04:40:58,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:40:58,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:40:58,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:40:58,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:40:58,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (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 04:40:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:40:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:40:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:40:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:40:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:40:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:40:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:40:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:40:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:40:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:40:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:40:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:40:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:40:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:40:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:40:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:40:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:40:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:40:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:40:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:40:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:40:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:40:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:40:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:40:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:40:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:40:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:40:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:40:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:40:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:40:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:40:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:40:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:40:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:40:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:40:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:40:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:40:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:40:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:40:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:40:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:40:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:40:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:40:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:40:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:40:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:40:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:40:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:40:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:40:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:40:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:40:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:40:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:40:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:40:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:40:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:40:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:40:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:40:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:40:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:40:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:40:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:40:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:40:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:40:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:40:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:40:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:40:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:40:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:40:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:40:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:40:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:40:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:40:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:40:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:40:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:40:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:40:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:40:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:40:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:40:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:40:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:40:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:40:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:40:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:40:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:40:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:40:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:40:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:40:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:40:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:40:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:40:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:40:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:40:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:40:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:40:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:40:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:40:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:40:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:40:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:40:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:40:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:40:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:40:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:40:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:40:59,998 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:40:59,999 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:41:00,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:41:00 BoogieIcfgContainer [2020-11-07 04:41:00,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:41:00,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:41:00,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:41:00,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:41:00,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:40:57" (1/3) ... [2020-11-07 04:41:00,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492a4528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:41:00, skipping insertion in model container [2020-11-07 04:41:00,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:58" (2/3) ... [2020-11-07 04:41:00,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492a4528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:41:00, skipping insertion in model container [2020-11-07 04:41:00,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:41:00" (3/3) ... [2020-11-07 04:41:00,015 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2020-11-07 04:41:00,033 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:41:00,037 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:41:00,050 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:41:00,086 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:41:00,086 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:41:00,087 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:41:00,087 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:41:00,087 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:41:00,087 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:41:00,087 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:41:00,087 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:41:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states. [2020-11-07 04:41:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:41:00,158 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:00,159 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 04:41:00,160 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 04:41:00,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:00,166 INFO L82 PathProgramCache]: Analyzing trace with hash -507615620, now seen corresponding path program 1 times [2020-11-07 04:41:00,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:00,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297300296] [2020-11-07 04:41:00,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,059 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:01,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:41:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:41:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:41:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,252 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 04:41:01,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297300296] [2020-11-07 04:41:01,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:01,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:41:01,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816074427] [2020-11-07 04:41:01,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:41:01,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:01,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:41:01,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:41:01,284 INFO L87 Difference]: Start difference. First operand 374 states. Second operand 4 states. [2020-11-07 04:41:03,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:03,328 INFO L93 Difference]: Finished difference Result 604 states and 710 transitions. [2020-11-07 04:41:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:41:03,330 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:41:03,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:03,349 INFO L225 Difference]: With dead ends: 604 [2020-11-07 04:41:03,349 INFO L226 Difference]: Without dead ends: 371 [2020-11-07 04:41:03,359 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 04:41:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-11-07 04:41:03,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 320. [2020-11-07 04:41:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-11-07 04:41:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 352 transitions. [2020-11-07 04:41:03,604 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 352 transitions. Word has length 166 [2020-11-07 04:41:03,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:03,608 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 352 transitions. [2020-11-07 04:41:03,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:41:03,608 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 352 transitions. [2020-11-07 04:41:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:41:03,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:03,619 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 04:41:03,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:41:03,620 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 04:41:03,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:03,621 INFO L82 PathProgramCache]: Analyzing trace with hash 47466092, now seen corresponding path program 1 times [2020-11-07 04:41:03,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:03,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789701674] [2020-11-07 04:41:03,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,085 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:04,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:41:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:41:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:04,204 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 04:41:04,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789701674] [2020-11-07 04:41:04,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:04,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:41:04,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766662271] [2020-11-07 04:41:04,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:41:04,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:04,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:41:04,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:41:04,209 INFO L87 Difference]: Start difference. First operand 320 states and 352 transitions. Second operand 5 states. [2020-11-07 04:41:05,112 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:06,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:06,796 INFO L93 Difference]: Finished difference Result 524 states and 594 transitions. [2020-11-07 04:41:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:41:06,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:41:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:06,803 INFO L225 Difference]: With dead ends: 524 [2020-11-07 04:41:06,803 INFO L226 Difference]: Without dead ends: 360 [2020-11-07 04:41:06,811 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 04:41:06,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-07 04:41:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 310. [2020-11-07 04:41:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-07 04:41:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 339 transitions. [2020-11-07 04:41:06,943 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 339 transitions. Word has length 167 [2020-11-07 04:41:06,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:06,944 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 339 transitions. [2020-11-07 04:41:06,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:41:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 339 transitions. [2020-11-07 04:41:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-07 04:41:06,947 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:06,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:06,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:41:06,948 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 04:41:06,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:06,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1184931963, now seen corresponding path program 1 times [2020-11-07 04:41:06,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:06,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158688455] [2020-11-07 04:41:06,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,450 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:07,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:41:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:41:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-11-07 04:41:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,701 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 04:41:07,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158688455] [2020-11-07 04:41:07,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:07,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:41:07,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270518691] [2020-11-07 04:41:07,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:41:07,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:07,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:41:07,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:41:07,705 INFO L87 Difference]: Start difference. First operand 310 states and 339 transitions. Second operand 10 states. [2020-11-07 04:41:08,472 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:08,989 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:09,377 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:09,780 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:10,168 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:10,538 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:12,003 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:15,472 INFO L93 Difference]: Finished difference Result 840 states and 968 transitions. [2020-11-07 04:41:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:41:15,473 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-11-07 04:41:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:15,479 INFO L225 Difference]: With dead ends: 840 [2020-11-07 04:41:15,479 INFO L226 Difference]: Without dead ends: 650 [2020-11-07 04:41:15,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:41:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-11-07 04:41:15,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 571. [2020-11-07 04:41:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-11-07 04:41:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 645 transitions. [2020-11-07 04:41:15,803 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 645 transitions. Word has length 176 [2020-11-07 04:41:15,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:15,805 INFO L481 AbstractCegarLoop]: Abstraction has 571 states and 645 transitions. [2020-11-07 04:41:15,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:41:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 645 transitions. [2020-11-07 04:41:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-07 04:41:15,810 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:15,810 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 04:41:15,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:41:15,811 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 04:41:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:15,812 INFO L82 PathProgramCache]: Analyzing trace with hash -2045406384, now seen corresponding path program 1 times [2020-11-07 04:41:15,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:15,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338729845] [2020-11-07 04:41:15,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,267 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:16,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:41:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:41:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-11-07 04:41:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 04:41:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,472 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 04:41:16,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338729845] [2020-11-07 04:41:16,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:16,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:41:16,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109619501] [2020-11-07 04:41:16,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:41:16,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:16,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:41:16,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:41:16,475 INFO L87 Difference]: Start difference. First operand 571 states and 645 transitions. Second operand 10 states. [2020-11-07 04:41:17,142 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:18,227 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:18,652 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:20,298 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:20,693 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:21,055 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:21,536 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:21,901 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:22,324 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:23,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:23,574 INFO L93 Difference]: Finished difference Result 1325 states and 1580 transitions. [2020-11-07 04:41:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:41:23,575 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-11-07 04:41:23,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:23,582 INFO L225 Difference]: With dead ends: 1325 [2020-11-07 04:41:23,583 INFO L226 Difference]: Without dead ends: 874 [2020-11-07 04:41:23,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:41:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-11-07 04:41:23,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 785. [2020-11-07 04:41:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2020-11-07 04:41:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 883 transitions. [2020-11-07 04:41:23,946 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 883 transitions. Word has length 185 [2020-11-07 04:41:23,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:23,947 INFO L481 AbstractCegarLoop]: Abstraction has 785 states and 883 transitions. [2020-11-07 04:41:23,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:41:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 883 transitions. [2020-11-07 04:41:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-11-07 04:41:23,954 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:23,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:23,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:41:23,955 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 04:41:23,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:23,956 INFO L82 PathProgramCache]: Analyzing trace with hash 94495918, now seen corresponding path program 1 times [2020-11-07 04:41:23,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:23,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704965191] [2020-11-07 04:41:23,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,371 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:24,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:41:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:41:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-11-07 04:41:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:41:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:24,733 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 04:41:24,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704965191] [2020-11-07 04:41:24,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:24,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:41:24,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591990529] [2020-11-07 04:41:24,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:41:24,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:24,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:41:24,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:41:24,737 INFO L87 Difference]: Start difference. First operand 785 states and 883 transitions. Second operand 10 states. [2020-11-07 04:41:26,615 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:27,019 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:27,444 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:41:27,838 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:28,232 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:28,612 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:30,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:30,256 INFO L93 Difference]: Finished difference Result 1589 states and 1885 transitions. [2020-11-07 04:41:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:41:30,258 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 241 [2020-11-07 04:41:30,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:30,265 INFO L225 Difference]: With dead ends: 1589 [2020-11-07 04:41:30,266 INFO L226 Difference]: Without dead ends: 924 [2020-11-07 04:41:30,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:41:30,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-11-07 04:41:30,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 804. [2020-11-07 04:41:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2020-11-07 04:41:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 903 transitions. [2020-11-07 04:41:30,592 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 903 transitions. Word has length 241 [2020-11-07 04:41:30,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:30,593 INFO L481 AbstractCegarLoop]: Abstraction has 804 states and 903 transitions. [2020-11-07 04:41:30,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:41:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 903 transitions. [2020-11-07 04:41:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-11-07 04:41:30,597 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:30,598 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:30,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:41:30,598 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 04:41:30,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:30,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1361016754, now seen corresponding path program 1 times [2020-11-07 04:41:30,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:30,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691079805] [2020-11-07 04:41:30,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:30,968 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:30,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:41:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:41:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-11-07 04:41:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:41:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:31,295 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 04:41:31,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691079805] [2020-11-07 04:41:31,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:31,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-07 04:41:31,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685143507] [2020-11-07 04:41:31,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:41:31,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:31,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:41:31,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:41:31,300 INFO L87 Difference]: Start difference. First operand 804 states and 903 transitions. Second operand 13 states. [2020-11-07 04:41:32,070 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:32,463 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:32,860 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:33,241 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:33,612 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:34,935 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:35,321 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:35,760 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:36,183 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:36,585 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:38,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:38,411 INFO L93 Difference]: Finished difference Result 1626 states and 1923 transitions. [2020-11-07 04:41:38,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:41:38,412 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2020-11-07 04:41:38,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:38,419 INFO L225 Difference]: With dead ends: 1626 [2020-11-07 04:41:38,419 INFO L226 Difference]: Without dead ends: 942 [2020-11-07 04:41:38,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:41:38,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2020-11-07 04:41:38,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 816. [2020-11-07 04:41:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2020-11-07 04:41:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 915 transitions. [2020-11-07 04:41:38,719 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 915 transitions. Word has length 241 [2020-11-07 04:41:38,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:38,720 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 915 transitions. [2020-11-07 04:41:38,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:41:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 915 transitions. [2020-11-07 04:41:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-11-07 04:41:38,726 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:38,726 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:38,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:41:38,727 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 04:41:38,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:38,727 INFO L82 PathProgramCache]: Analyzing trace with hash 312216625, now seen corresponding path program 1 times [2020-11-07 04:41:38,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:38,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273980539] [2020-11-07 04:41:38,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,186 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:39,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:41:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:41:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-11-07 04:41:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:41:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:39,438 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 04:41:39,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273980539] [2020-11-07 04:41:39,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:39,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 04:41:39,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883313985] [2020-11-07 04:41:39,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 04:41:39,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 04:41:39,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:41:39,440 INFO L87 Difference]: Start difference. First operand 816 states and 915 transitions. Second operand 7 states. [2020-11-07 04:41:40,066 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:40,862 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:44,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:44,360 INFO L93 Difference]: Finished difference Result 2333 states and 2782 transitions. [2020-11-07 04:41:44,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:41:44,369 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-11-07 04:41:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:44,378 INFO L225 Difference]: With dead ends: 2333 [2020-11-07 04:41:44,378 INFO L226 Difference]: Without dead ends: 1637 [2020-11-07 04:41:44,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:41:44,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-11-07 04:41:45,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1512. [2020-11-07 04:41:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1512 states. [2020-11-07 04:41:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 1726 transitions. [2020-11-07 04:41:45,126 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 1726 transitions. Word has length 241 [2020-11-07 04:41:45,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:45,126 INFO L481 AbstractCegarLoop]: Abstraction has 1512 states and 1726 transitions. [2020-11-07 04:41:45,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 04:41:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1726 transitions. [2020-11-07 04:41:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-07 04:41:45,131 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:45,131 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] [2020-11-07 04:41:45,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:41:45,131 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 04:41:45,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:45,132 INFO L82 PathProgramCache]: Analyzing trace with hash 2106170431, now seen corresponding path program 1 times [2020-11-07 04:41:45,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:45,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009873644] [2020-11-07 04:41:45,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,618 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:45,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:41:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:41:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-11-07 04:41:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:41:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:45,908 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 04:41:45,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009873644] [2020-11-07 04:41:45,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:45,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:41:45,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867490877] [2020-11-07 04:41:45,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:41:45,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:45,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:41:45,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:41:45,911 INFO L87 Difference]: Start difference. First operand 1512 states and 1726 transitions. Second operand 14 states. [2020-11-07 04:41:46,943 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:41:47,969 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:49,478 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:41:50,253 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:41:50,735 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:51,165 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:51,916 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:41:52,315 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:52,786 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:53,173 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:56,948 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:41:57,630 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:58,017 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:58,706 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:00,275 WARN L194 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:42:01,035 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:42:01,788 WARN L194 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:42:02,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:02,948 INFO L93 Difference]: Finished difference Result 4398 states and 5272 transitions. [2020-11-07 04:42:02,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-11-07 04:42:02,949 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 246 [2020-11-07 04:42:02,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:02,969 INFO L225 Difference]: With dead ends: 4398 [2020-11-07 04:42:02,969 INFO L226 Difference]: Without dead ends: 3293 [2020-11-07 04:42:02,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-11-07 04:42:02,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3293 states. [2020-11-07 04:42:04,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3293 to 2851. [2020-11-07 04:42:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2851 states. [2020-11-07 04:42:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2851 states and 3231 transitions. [2020-11-07 04:42:04,543 INFO L78 Accepts]: Start accepts. Automaton has 2851 states and 3231 transitions. Word has length 246 [2020-11-07 04:42:04,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:04,544 INFO L481 AbstractCegarLoop]: Abstraction has 2851 states and 3231 transitions. [2020-11-07 04:42:04,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:42:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3231 transitions. [2020-11-07 04:42:04,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-11-07 04:42:04,550 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:04,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:04,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:42:04,551 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 04:42:04,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:04,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2087632256, now seen corresponding path program 1 times [2020-11-07 04:42:04,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:04,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859152458] [2020-11-07 04:42:04,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,988 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:04,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:42:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-11-07 04:42:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-11-07 04:42:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-11-07 04:42:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-11-07 04:42:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-07 04:42:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-07 04:42:05,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859152458] [2020-11-07 04:42:05,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:05,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:42:05,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621624043] [2020-11-07 04:42:05,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:42:05,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:05,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:42:05,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:42:05,604 INFO L87 Difference]: Start difference. First operand 2851 states and 3231 transitions. Second operand 18 states. [2020-11-07 04:42:06,419 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:42:06,950 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:42:07,373 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-07 04:42:07,819 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:08,222 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:42:08,610 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:09,673 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:42:10,130 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:42:10,598 WARN L194 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:42:11,111 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:11,907 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:42:12,362 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:42:12,819 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:42:15,231 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:16,475 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:42:17,309 WARN L194 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:42:18,073 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:42:18,753 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:19,668 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:20,485 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:42:20,958 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:42:22,069 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-11-07 04:42:22,677 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:23,576 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:42:24,389 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:42:25,656 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:42:27,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:27,592 INFO L93 Difference]: Finished difference Result 5998 states and 6929 transitions. [2020-11-07 04:42:27,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-11-07 04:42:27,593 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 356 [2020-11-07 04:42:27,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:27,612 INFO L225 Difference]: With dead ends: 5998 [2020-11-07 04:42:27,612 INFO L226 Difference]: Without dead ends: 3539 [2020-11-07 04:42:27,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=971, Invalid=4285, Unknown=0, NotChecked=0, Total=5256 [2020-11-07 04:42:27,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2020-11-07 04:42:29,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3251. [2020-11-07 04:42:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3251 states. [2020-11-07 04:42:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 3616 transitions. [2020-11-07 04:42:29,576 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 3616 transitions. Word has length 356 [2020-11-07 04:42:29,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:29,577 INFO L481 AbstractCegarLoop]: Abstraction has 3251 states and 3616 transitions. [2020-11-07 04:42:29,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:42:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 3616 transitions. [2020-11-07 04:42:29,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2020-11-07 04:42:29,593 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:29,594 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:29,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:42:29,594 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 04:42:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:29,595 INFO L82 PathProgramCache]: Analyzing trace with hash 81316968, now seen corresponding path program 1 times [2020-11-07 04:42:29,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:29,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905857966] [2020-11-07 04:42:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,079 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:30,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:42:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:42:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:42:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-11-07 04:42:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:42:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-11-07 04:42:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:42:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-11-07 04:42:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-11-07 04:42:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 113 proven. 11 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2020-11-07 04:42:30,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905857966] [2020-11-07 04:42:30,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:30,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-11-07 04:42:30,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009227581] [2020-11-07 04:42:30,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-07 04:42:30,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:30,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-07 04:42:30,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:42:30,780 INFO L87 Difference]: Start difference. First operand 3251 states and 3616 transitions. Second operand 16 states. [2020-11-07 04:42:31,516 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:32,830 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:35,972 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:36,511 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:37,088 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:37,557 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:38,007 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:38,477 WARN L194 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:38,975 WARN L194 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:39,427 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:39,878 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:40,384 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:40,814 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:41,271 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:43,377 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:44,255 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:42:45,069 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:42:45,535 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:46,022 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:42:46,530 WARN L194 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:42:50,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:50,602 INFO L93 Difference]: Finished difference Result 9581 states and 10834 transitions. [2020-11-07 04:42:50,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-11-07 04:42:50,603 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 545 [2020-11-07 04:42:50,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:50,639 INFO L225 Difference]: With dead ends: 9581 [2020-11-07 04:42:50,639 INFO L226 Difference]: Without dead ends: 6463 [2020-11-07 04:42:50,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=500, Invalid=2050, Unknown=0, NotChecked=0, Total=2550 [2020-11-07 04:42:50,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6463 states. [2020-11-07 04:42:53,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6463 to 6293. [2020-11-07 04:42:53,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6293 states. [2020-11-07 04:42:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6293 states to 6293 states and 6946 transitions. [2020-11-07 04:42:53,463 INFO L78 Accepts]: Start accepts. Automaton has 6293 states and 6946 transitions. Word has length 545 [2020-11-07 04:42:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:53,464 INFO L481 AbstractCegarLoop]: Abstraction has 6293 states and 6946 transitions. [2020-11-07 04:42:53,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-07 04:42:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 6293 states and 6946 transitions. [2020-11-07 04:42:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2020-11-07 04:42:53,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:53,488 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:53,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:42:53,489 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 04:42:53,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:53,489 INFO L82 PathProgramCache]: Analyzing trace with hash -687356299, now seen corresponding path program 1 times [2020-11-07 04:42:53,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:53,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945781199] [2020-11-07 04:42:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:53,929 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:53,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:53,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:53,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:53,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:42:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:42:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:42:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-11-07 04:42:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:42:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-07 04:42:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:42:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:42:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:42:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-11-07 04:42:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:54,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2020-11-07 04:42:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 81 proven. 54 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-11-07 04:42:55,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945781199] [2020-11-07 04:42:55,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:55,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-11-07 04:42:55,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112308912] [2020-11-07 04:42:55,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-07 04:42:55,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:55,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-07 04:42:55,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-11-07 04:42:55,030 INFO L87 Difference]: Start difference. First operand 6293 states and 6946 transitions. Second operand 22 states. [2020-11-07 04:42:55,836 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:56,394 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:56,840 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:57,294 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:57,808 WARN L194 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:42:58,229 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:59,554 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:03,498 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:04,055 WARN L194 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:04,689 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:05,173 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:05,618 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:06,085 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:06,574 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:07,049 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:07,576 WARN L194 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:08,144 WARN L194 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:08,661 WARN L194 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:09,189 WARN L194 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:10,069 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:43:11,072 WARN L194 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:43:11,897 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:43:18,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:18,411 INFO L93 Difference]: Finished difference Result 12554 states and 14214 transitions. [2020-11-07 04:43:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:43:18,412 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 550 [2020-11-07 04:43:18,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:18,450 INFO L225 Difference]: With dead ends: 12554 [2020-11-07 04:43:18,451 INFO L226 Difference]: Without dead ends: 6966 [2020-11-07 04:43:18,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 130 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1178 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=880, Invalid=3676, Unknown=0, NotChecked=0, Total=4556 [2020-11-07 04:43:18,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2020-11-07 04:43:21,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 6067. [2020-11-07 04:43:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6067 states. [2020-11-07 04:43:21,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 6665 transitions. [2020-11-07 04:43:21,188 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 6665 transitions. Word has length 550 [2020-11-07 04:43:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:21,189 INFO L481 AbstractCegarLoop]: Abstraction has 6067 states and 6665 transitions. [2020-11-07 04:43:21,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-07 04:43:21,189 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 6665 transitions. [2020-11-07 04:43:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2020-11-07 04:43:21,209 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:21,210 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:43:21,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:43:21,210 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 04:43:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:21,211 INFO L82 PathProgramCache]: Analyzing trace with hash -2099898264, now seen corresponding path program 1 times [2020-11-07 04:43:21,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:21,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238476740] [2020-11-07 04:43:21,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,664 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:21,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:43:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:43:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-11-07 04:43:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-11-07 04:43:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:43:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-07 04:43:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:43:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:43:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-11-07 04:43:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:43:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-11-07 04:43:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-11-07 04:43:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-11-07 04:43:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 117 proven. 31 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-11-07 04:43:22,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238476740] [2020-11-07 04:43:22,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:22,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-11-07 04:43:22,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65503093] [2020-11-07 04:43:22,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-07 04:43:22,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:22,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-07 04:43:22,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-11-07 04:43:22,657 INFO L87 Difference]: Start difference. First operand 6067 states and 6665 transitions. Second operand 22 states. [2020-11-07 04:43:23,459 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:24,035 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:24,486 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:24,911 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:25,345 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:25,774 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:27,053 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:30,842 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:31,392 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:32,008 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:32,487 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:32,939 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:33,479 WARN L194 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:33,952 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:34,414 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:34,868 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:35,380 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:35,846 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:36,331 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:38,858 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:43:39,728 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:43:40,560 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:43:44,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:44,332 INFO L93 Difference]: Finished difference Result 11792 states and 13313 transitions. [2020-11-07 04:43:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-07 04:43:44,332 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 559 [2020-11-07 04:43:44,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:44,367 INFO L225 Difference]: With dead ends: 11792 [2020-11-07 04:43:44,367 INFO L226 Difference]: Without dead ends: 6430 [2020-11-07 04:43:44,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1201 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=894, Invalid=3798, Unknown=0, NotChecked=0, Total=4692 [2020-11-07 04:43:44,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6430 states. [2020-11-07 04:43:47,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6430 to 5521. [2020-11-07 04:43:47,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5521 states. [2020-11-07 04:43:47,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5521 states to 5521 states and 6059 transitions. [2020-11-07 04:43:47,187 INFO L78 Accepts]: Start accepts. Automaton has 5521 states and 6059 transitions. Word has length 559 [2020-11-07 04:43:47,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:47,188 INFO L481 AbstractCegarLoop]: Abstraction has 5521 states and 6059 transitions. [2020-11-07 04:43:47,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-07 04:43:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5521 states and 6059 transitions. [2020-11-07 04:43:47,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2020-11-07 04:43:47,206 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:47,207 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:43:47,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:43:47,207 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 04:43:47,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:47,208 INFO L82 PathProgramCache]: Analyzing trace with hash 778349382, now seen corresponding path program 2 times [2020-11-07 04:43:47,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:47,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142050857] [2020-11-07 04:43:47,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,690 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:47,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:43:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:43:47,846 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 2 [2020-11-07 04:43:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:47,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:43:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:48,031 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 13 [2020-11-07 04:43:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:48,057 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 2 [2020-11-07 04:43:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:43:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-11-07 04:43:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-07 04:43:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:43:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:43:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-11-07 04:43:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:43:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-11-07 04:43:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-11-07 04:43:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-11-07 04:43:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 120 proven. 38 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-11-07 04:43:48,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142050857] [2020-11-07 04:43:48,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:48,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:43:48,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041531398] [2020-11-07 04:43:48,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:43:48,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:48,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:43:48,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:43:48,468 INFO L87 Difference]: Start difference. First operand 5521 states and 6059 transitions. Second operand 17 states. [2020-11-07 04:43:50,999 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:51,445 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:51,908 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:52,394 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:52,836 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:53,257 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:55,462 WARN L194 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:55,959 WARN L194 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:03,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:03,160 INFO L93 Difference]: Finished difference Result 16203 states and 18808 transitions. [2020-11-07 04:44:03,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-07 04:44:03,161 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 559 [2020-11-07 04:44:03,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:03,208 INFO L225 Difference]: With dead ends: 16203 [2020-11-07 04:44:03,209 INFO L226 Difference]: Without dead ends: 9733 [2020-11-07 04:44:03,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 133 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-11-07 04:44:03,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9733 states. [2020-11-07 04:44:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9733 to 7305. [2020-11-07 04:44:06,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7305 states. [2020-11-07 04:44:06,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7305 states to 7305 states and 8129 transitions. [2020-11-07 04:44:06,767 INFO L78 Accepts]: Start accepts. Automaton has 7305 states and 8129 transitions. Word has length 559 [2020-11-07 04:44:06,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:44:06,769 INFO L481 AbstractCegarLoop]: Abstraction has 7305 states and 8129 transitions. [2020-11-07 04:44:06,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:44:06,769 INFO L276 IsEmpty]: Start isEmpty. Operand 7305 states and 8129 transitions. [2020-11-07 04:44:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2020-11-07 04:44:06,790 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:44:06,790 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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 04:44:06,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:44:06,791 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 04:44:06,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:44:06,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1357964627, now seen corresponding path program 1 times [2020-11-07 04:44:06,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:44:06,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813202093] [2020-11-07 04:44:06,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:44:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,247 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:44:07,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:44:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:44:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:44:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:44:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:44:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:44:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:44:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:44:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:44:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:44:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 04:44:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-11-07 04:44:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:44:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-11-07 04:44:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:44:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-11-07 04:44:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-11-07 04:44:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-11-07 04:44:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:07,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-11-07 04:44:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 129 proven. 47 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2020-11-07 04:44:08,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813202093] [2020-11-07 04:44:08,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:44:08,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:44:08,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289606883] [2020-11-07 04:44:08,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:44:08,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:44:08,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:44:08,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:44:08,057 INFO L87 Difference]: Start difference. First operand 7305 states and 8129 transitions. Second operand 19 states. [2020-11-07 04:44:08,882 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:09,456 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:09,902 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:44:10,352 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:10,791 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:44:11,209 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:12,363 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:12,855 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:15,663 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:16,142 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:16,602 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:17,236 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:18,596 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:19,037 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:21,231 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:21,675 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:22,102 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:44:25,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:25,750 INFO L93 Difference]: Finished difference Result 15047 states and 17281 transitions. [2020-11-07 04:44:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-11-07 04:44:25,751 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 569 [2020-11-07 04:44:25,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:25,789 INFO L225 Difference]: With dead ends: 15047 [2020-11-07 04:44:25,789 INFO L226 Difference]: Without dead ends: 8447 [2020-11-07 04:44:25,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=609, Invalid=2471, Unknown=0, NotChecked=0, Total=3080 [2020-11-07 04:44:25,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8447 states. [2020-11-07 04:44:28,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8447 to 7195. [2020-11-07 04:44:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7195 states. [2020-11-07 04:44:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7195 states to 7195 states and 7975 transitions. [2020-11-07 04:44:28,875 INFO L78 Accepts]: Start accepts. Automaton has 7195 states and 7975 transitions. Word has length 569 [2020-11-07 04:44:28,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:44:28,876 INFO L481 AbstractCegarLoop]: Abstraction has 7195 states and 7975 transitions. [2020-11-07 04:44:28,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:44:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 7195 states and 7975 transitions. [2020-11-07 04:44:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2020-11-07 04:44:28,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:44:28,903 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:28,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:44:28,903 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 04:44:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:44:28,904 INFO L82 PathProgramCache]: Analyzing trace with hash -84422686, now seen corresponding path program 1 times [2020-11-07 04:44:28,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:44:28,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861832185] [2020-11-07 04:44:28,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:44:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,361 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:44:29,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:44:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:44:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:44:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:44:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:44:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:44:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:44:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:44:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:44:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:44:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2020-11-07 04:44:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-11-07 04:44:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:44:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:44:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-11-07 04:44:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-11-07 04:44:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2020-11-07 04:44:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-11-07 04:44:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2020-11-07 04:44:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 123 proven. 46 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2020-11-07 04:44:30,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861832185] [2020-11-07 04:44:30,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:44:30,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:44:30,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703985084] [2020-11-07 04:44:30,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:44:30,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:44:30,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:44:30,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:44:30,129 INFO L87 Difference]: Start difference. First operand 7195 states and 7975 transitions. Second operand 17 states. [2020-11-07 04:44:30,907 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:33,163 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:33,638 WARN L194 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:34,482 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:44:34,938 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:44:35,824 WARN L194 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:44:36,229 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:36,669 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:37,466 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:44:37,961 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:44:38,528 WARN L194 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:44:39,065 WARN L194 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:44:39,861 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:44:41,643 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:42,142 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:43,087 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:44:44,031 WARN L194 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-11-07 04:44:44,886 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:44:46,171 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:44:47,078 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-11-07 04:44:51,440 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:52,631 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:53,113 WARN L194 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:53,961 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:44:54,853 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:44:55,663 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:45:03,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:45:03,050 INFO L93 Difference]: Finished difference Result 17098 states and 20021 transitions. [2020-11-07 04:45:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-11-07 04:45:03,050 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 570 [2020-11-07 04:45:03,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:45:03,101 INFO L225 Difference]: With dead ends: 17098 [2020-11-07 04:45:03,101 INFO L226 Difference]: Without dead ends: 12736 [2020-11-07 04:45:03,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 155 SyntacticMatches, 6 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2276 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=1227, Invalid=5913, Unknown=0, NotChecked=0, Total=7140 [2020-11-07 04:45:03,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12736 states. [2020-11-07 04:45:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12736 to 10051. [2020-11-07 04:45:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10051 states. [2020-11-07 04:45:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10051 states to 10051 states and 11049 transitions. [2020-11-07 04:45:07,609 INFO L78 Accepts]: Start accepts. Automaton has 10051 states and 11049 transitions. Word has length 570 [2020-11-07 04:45:07,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:07,610 INFO L481 AbstractCegarLoop]: Abstraction has 10051 states and 11049 transitions. [2020-11-07 04:45:07,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:45:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 10051 states and 11049 transitions. [2020-11-07 04:45:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2020-11-07 04:45:07,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:45:07,635 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, 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 04:45:07,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:45:07,635 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 04:45:07,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:45:07,636 INFO L82 PathProgramCache]: Analyzing trace with hash -520461278, now seen corresponding path program 1 times [2020-11-07 04:45:07,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:45:07,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673271253] [2020-11-07 04:45:07,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:45:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,097 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:45:08,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:45:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:45:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:45:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:45:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:45:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:45:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:45:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:45:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:45:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:45:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:45:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2020-11-07 04:45:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-11-07 04:45:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:45:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:45:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-11-07 04:45:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2020-11-07 04:45:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-11-07 04:45:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-11-07 04:45:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-11-07 04:45:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-11-07 04:45:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-11-07 04:45:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-11-07 04:45:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2020-11-07 04:45:08,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673271253] [2020-11-07 04:45:08,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:45:08,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 04:45:08,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411643910] [2020-11-07 04:45:08,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:45:08,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:45:08,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:45:08,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:45:08,749 INFO L87 Difference]: Start difference. First operand 10051 states and 11049 transitions. Second operand 10 states. [2020-11-07 04:45:10,248 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:16,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:45:16,472 INFO L93 Difference]: Finished difference Result 12613 states and 14271 transitions. [2020-11-07 04:45:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-07 04:45:16,473 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 651 [2020-11-07 04:45:16,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:45:16,495 INFO L225 Difference]: With dead ends: 12613 [2020-11-07 04:45:16,496 INFO L226 Difference]: Without dead ends: 4959 [2020-11-07 04:45:16,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=267, Invalid=789, Unknown=0, NotChecked=0, Total=1056 [2020-11-07 04:45:16,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4959 states. [2020-11-07 04:45:18,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4959 to 4219. [2020-11-07 04:45:18,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4219 states. [2020-11-07 04:45:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 4219 states and 4531 transitions. [2020-11-07 04:45:18,856 INFO L78 Accepts]: Start accepts. Automaton has 4219 states and 4531 transitions. Word has length 651 [2020-11-07 04:45:18,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:18,857 INFO L481 AbstractCegarLoop]: Abstraction has 4219 states and 4531 transitions. [2020-11-07 04:45:18,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:45:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 4531 transitions. [2020-11-07 04:45:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2020-11-07 04:45:18,871 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:45:18,872 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:45:18,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:45:18,872 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 04:45:18,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:45:18,873 INFO L82 PathProgramCache]: Analyzing trace with hash -72287966, now seen corresponding path program 1 times [2020-11-07 04:45:18,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:45:18,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952449317] [2020-11-07 04:45:18,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:45:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,397 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:45:19,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:45:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:45:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:45:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:45:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:45:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:45:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:45:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:45:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:45:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:45:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:45:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2020-11-07 04:45:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-11-07 04:45:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:45:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:45:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-11-07 04:45:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-11-07 04:45:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-07 04:45:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2020-11-07 04:45:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-11-07 04:45:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2020-11-07 04:45:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2020-11-07 04:45:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:19,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2020-11-07 04:45:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 174 proven. 87 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2020-11-07 04:45:20,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952449317] [2020-11-07 04:45:20,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:45:20,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:45:20,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99641382] [2020-11-07 04:45:20,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:45:20,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:45:20,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:45:20,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:45:20,192 INFO L87 Difference]: Start difference. First operand 4219 states and 4531 transitions. Second operand 17 states. [2020-11-07 04:45:21,550 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:22,898 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:45:26,914 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:45:27,419 WARN L194 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:45:27,860 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:28,308 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:45:28,726 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:29,560 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:45:34,907 WARN L194 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:45:35,390 WARN L194 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:45:35,857 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:45:36,338 WARN L194 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:45:36,777 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:45:38,925 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:45:39,768 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:45:42,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:45:42,283 INFO L93 Difference]: Finished difference Result 11842 states and 13354 transitions. [2020-11-07 04:45:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-11-07 04:45:42,284 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 684 [2020-11-07 04:45:42,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:45:42,314 INFO L225 Difference]: With dead ends: 11842 [2020-11-07 04:45:42,314 INFO L226 Difference]: Without dead ends: 7618 [2020-11-07 04:45:42,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 170 SyntacticMatches, 10 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1172 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=986, Invalid=3436, Unknown=0, NotChecked=0, Total=4422 [2020-11-07 04:45:42,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7618 states. [2020-11-07 04:45:45,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7618 to 5635. [2020-11-07 04:45:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2020-11-07 04:45:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 6026 transitions. [2020-11-07 04:45:45,347 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 6026 transitions. Word has length 684 [2020-11-07 04:45:45,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:45,348 INFO L481 AbstractCegarLoop]: Abstraction has 5635 states and 6026 transitions. [2020-11-07 04:45:45,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:45:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 6026 transitions. [2020-11-07 04:45:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2020-11-07 04:45:45,366 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:45:45,367 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:45,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:45:45,367 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 04:45:45,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:45:45,368 INFO L82 PathProgramCache]: Analyzing trace with hash -466206598, now seen corresponding path program 1 times [2020-11-07 04:45:45,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:45:45,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491771034] [2020-11-07 04:45:45,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:45:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,829 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:45:45,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:45:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:45:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:45:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:45:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:45:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:45:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:45:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:45:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:45:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:45:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:45:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-11-07 04:45:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-11-07 04:45:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:45:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:45:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-11-07 04:45:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-11-07 04:45:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:45:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-11-07 04:45:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-11-07 04:45:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2020-11-07 04:45:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2020-11-07 04:45:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-11-07 04:45:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2020-11-07 04:45:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 163 proven. 25 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2020-11-07 04:45:46,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491771034] [2020-11-07 04:45:46,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:45:46,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:45:46,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14435009] [2020-11-07 04:45:46,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:45:46,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:45:46,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:45:46,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:45:46,516 INFO L87 Difference]: Start difference. First operand 5635 states and 6026 transitions. Second operand 17 states. [2020-11-07 04:45:47,440 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:45:47,868 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:45:48,370 WARN L194 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:48,799 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:49,212 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:53,071 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:53,488 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:53,920 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:45:54,344 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:54,807 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:55,221 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:55,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:45:55,958 INFO L93 Difference]: Finished difference Result 6608 states and 7097 transitions. [2020-11-07 04:45:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-07 04:45:55,959 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 706 [2020-11-07 04:45:55,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:45:55,961 INFO L225 Difference]: With dead ends: 6608 [2020-11-07 04:45:55,961 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:45:55,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2020-11-07 04:45:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:45:55,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:45:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:45:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:45:55,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 706 [2020-11-07 04:45:55,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:55,975 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:45:55,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:45:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:45:55,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:45:55,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:45:55,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:45:56,476 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 253 [2020-11-07 04:45:56,679 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 252 [2020-11-07 04:45:57,529 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2020-11-07 04:45:57,782 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 229 [2020-11-07 04:45:58,729 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:45:58,891 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-11-07 04:45:59,456 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2020-11-07 04:45:59,625 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 229 [2020-11-07 04:46:00,539 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 275 [2020-11-07 04:46:04,347 WARN L194 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 816 DAG size of output: 591 [2020-11-07 04:46:06,332 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 731 DAG size of output: 496 [2020-11-07 04:46:09,505 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 816 DAG size of output: 591 [2020-11-07 04:46:14,276 WARN L194 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 766 DAG size of output: 571 [2020-11-07 04:46:14,895 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:15,114 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:46:15,762 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2020-11-07 04:46:16,441 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2020-11-07 04:46:20,497 WARN L194 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 816 DAG size of output: 591 [2020-11-07 04:46:22,399 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 731 DAG size of output: 496 [2020-11-07 04:46:23,108 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 252 [2020-11-07 04:46:23,237 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 254 [2020-11-07 04:46:24,166 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 278 [2020-11-07 04:46:24,421 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 279 [2020-11-07 04:46:25,217 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2020-11-07 04:46:26,078 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-11-07 04:46:26,515 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:46:27,433 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 252 [2020-11-07 04:46:27,549 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 254 [2020-11-07 04:46:29,421 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 261 [2020-11-07 04:46:33,348 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 786 DAG size of output: 566 [2020-11-07 04:46:36,184 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 786 DAG size of output: 566 [2020-11-07 04:46:39,317 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 262 [2020-11-07 04:46:39,576 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 264 [2020-11-07 04:46:42,991 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:43,598 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:43,818 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:44,719 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:44,863 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:47,427 WARN L194 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 731 DAG size of output: 494 [2020-11-07 04:46:52,946 WARN L194 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 816 DAG size of output: 591 [2020-11-07 04:46:54,335 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:46:54,464 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2020-11-07 04:46:54,588 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:54,868 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:55,043 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:46:56,126 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:56,275 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2020-11-07 04:46:57,577 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:46:57,804 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:46:57,931 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:47:00,190 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 731 DAG size of output: 494 [2020-11-07 04:47:02,099 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 731 DAG size of output: 494 [2020-11-07 04:47:06,604 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 816 DAG size of output: 591 [2020-11-07 04:47:10,207 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 269 [2020-11-07 04:47:10,891 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:47:15,446 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 275 [2020-11-07 04:47:15,916 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 275 [2020-11-07 04:47:16,683 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2020-11-07 04:47:16,798 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 271 [2020-11-07 04:47:21,850 WARN L194 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 973 DAG size of output: 723 [2020-11-07 04:47:22,792 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 262 [2020-11-07 04:47:23,245 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 218 [2020-11-07 04:47:23,387 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 221 [2020-11-07 04:47:23,574 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 264 [2020-11-07 04:47:23,824 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 221 [2020-11-07 04:47:24,735 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 262 [2020-11-07 04:47:24,993 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-11-07 04:47:25,306 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 219 [2020-11-07 04:47:25,586 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-11-07 04:47:25,820 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 218 [2020-11-07 04:47:26,716 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 221 [2020-11-07 04:47:26,887 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-11-07 04:47:27,584 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 220 [2020-11-07 04:47:28,078 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 218 [2020-11-07 04:47:28,207 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 219 [2020-11-07 04:47:31,444 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 786 DAG size of output: 566 [2020-11-07 04:47:32,362 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 275 [2020-11-07 04:47:33,270 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:47:33,497 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:47:34,096 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2020-11-07 04:47:34,743 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2020-11-07 04:47:36,341 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2020-11-07 04:47:36,477 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 271 [2020-11-07 04:47:36,967 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 276 [2020-11-07 04:47:37,076 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 271 [2020-11-07 04:47:40,312 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 249 [2020-11-07 04:47:40,513 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-11-07 04:47:40,735 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 262 [2020-11-07 04:47:41,916 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:47:43,639 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 249 [2020-11-07 04:47:43,838 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-11-07 04:47:44,055 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 262 [2020-11-07 04:47:45,253 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:47:51,517 WARN L194 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 816 DAG size of output: 591 [2020-11-07 04:47:55,361 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 278 [2020-11-07 04:47:55,497 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2020-11-07 04:47:55,870 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 276 [2020-11-07 04:47:55,980 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 271 [2020-11-07 04:47:59,088 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 786 DAG size of output: 566 [2020-11-07 04:48:01,015 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 731 DAG size of output: 494 [2020-11-07 04:48:01,811 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 273 [2020-11-07 04:48:02,020 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 272 [2020-11-07 04:48:02,403 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 272 [2020-11-07 04:48:02,597 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 272 [2020-11-07 04:48:03,219 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 263 [2020-11-07 04:48:03,595 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 271 [2020-11-07 04:48:03,877 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 274 [2020-11-07 04:48:04,023 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 262 [2020-11-07 04:48:04,138 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 265 [2020-11-07 04:48:04,321 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 271 [2020-11-07 04:48:04,558 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 273 [2020-11-07 04:48:04,870 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 264 [2020-11-07 04:48:05,023 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 263 [2020-11-07 04:48:05,176 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 263 [2020-11-07 04:48:05,327 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 261 [2020-11-07 04:48:05,710 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 272 [2020-11-07 04:48:05,902 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 271 [2020-11-07 04:48:06,055 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 271 [2020-11-07 04:48:06,363 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 261 [2020-11-07 04:48:06,600 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 271 [2020-11-07 04:48:07,067 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 273 [2020-11-07 04:48:07,236 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 274 [2020-11-07 04:48:07,350 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 262 [2020-11-07 04:48:08,036 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 269 [2020-11-07 04:48:08,729 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:48:17,694 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 269 [2020-11-07 04:48:17,804 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 271 [2020-11-07 04:48:23,083 WARN L194 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 783 DAG size of output: 553 [2020-11-07 04:48:23,363 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 278 [2020-11-07 04:48:23,520 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2020-11-07 04:48:23,827 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2020-11-07 04:48:23,980 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 282 [2020-11-07 04:48:25,088 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 278 [2020-11-07 04:48:25,235 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 280 [2020-11-07 04:48:26,252 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 262 [2020-11-07 04:48:26,514 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 264 [2020-11-07 04:48:26,871 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 262 [2020-11-07 04:48:28,518 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:48:29,383 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:48:29,607 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:48:30,590 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:48:30,733 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:48:30,861 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:48:31,019 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:48:31,281 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2020-11-07 04:48:32,009 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-11-07 04:48:32,497 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-11-07 04:48:32,660 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2020-11-07 04:48:33,013 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-11-07 04:48:33,479 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-11-07 04:48:33,714 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-11-07 04:48:36,090 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 241 [2020-11-07 04:48:36,234 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2020-11-07 04:48:36,414 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:48:37,158 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2020-11-07 04:48:40,297 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:48:40,457 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:48:45,027 WARN L194 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 827 DAG size of output: 580 [2020-11-07 04:48:46,416 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 272 [2020-11-07 04:48:46,653 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 273 [2020-11-07 04:48:47,392 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:48:48,097 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-11-07 04:48:52,932 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 816 DAG size of output: 591 [2020-11-07 04:48:53,115 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 252 [2020-11-07 04:48:53,232 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 254 [2020-11-07 04:48:56,571 WARN L194 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 816 DAG size of output: 591 [2020-11-07 04:48:56,927 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 276 [2020-11-07 04:48:57,088 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 278 [2020-11-07 04:48:57,334 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 279 [2020-11-07 04:48:58,100 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2020-11-07 04:48:58,850 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-11-07 04:49:00,782 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2020-11-07 04:49:03,599 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 244 DAG size of output: 37 [2020-11-07 04:49:04,687 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 222 DAG size of output: 22 [2020-11-07 04:49:05,810 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 227 DAG size of output: 24 [2020-11-07 04:49:06,142 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:49:07,023 WARN L194 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-11-07 04:49:09,030 WARN L194 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 250 DAG size of output: 40 [2020-11-07 04:49:09,697 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 22 [2020-11-07 04:49:10,026 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:49:16,937 WARN L194 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 438 DAG size of output: 40 [2020-11-07 04:49:17,626 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-11-07 04:49:21,400 WARN L194 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 354 DAG size of output: 41 [2020-11-07 04:49:28,130 WARN L194 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 438 DAG size of output: 40 [2020-11-07 04:49:28,400 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 1 [2020-11-07 04:49:29,331 WARN L194 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 45 [2020-11-07 04:49:35,960 WARN L194 SmtUtils]: Spent 6.62 s on a formula simplification. DAG size of input: 433 DAG size of output: 42 [2020-11-07 04:49:37,351 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 210 DAG size of output: 35 [2020-11-07 04:49:38,481 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 421 DAG size of output: 1 [2020-11-07 04:49:45,256 WARN L194 SmtUtils]: Spent 6.76 s on a formula simplification. DAG size of input: 438 DAG size of output: 40 [2020-11-07 04:49:48,992 WARN L194 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 354 DAG size of output: 41 [2020-11-07 04:49:51,111 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2020-11-07 04:49:51,545 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2020-11-07 04:49:52,813 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 226 DAG size of output: 28 [2020-11-07 04:49:54,877 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 185 DAG size of output: 32 [2020-11-07 04:49:59,471 WARN L194 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 471 DAG size of output: 45 [2020-11-07 04:50:00,809 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 229 DAG size of output: 30 [2020-11-07 04:50:02,732 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 209 DAG size of output: 33 [2020-11-07 04:50:03,434 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 38 [2020-11-07 04:50:05,495 WARN L194 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 36 [2020-11-07 04:50:08,759 WARN L194 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 280 DAG size of output: 37 [2020-11-07 04:50:09,102 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:50:09,435 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:50:10,244 WARN L194 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-11-07 04:50:10,573 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 31 [2020-11-07 04:50:12,873 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 188 DAG size of output: 36 [2020-11-07 04:50:18,697 WARN L194 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 412 DAG size of output: 40 [2020-11-07 04:50:18,907 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 30 [2020-11-07 04:50:24,747 WARN L194 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 412 DAG size of output: 40 [2020-11-07 04:50:25,080 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:50:25,894 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 40 [2020-11-07 04:50:26,232 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:50:28,364 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 265 DAG size of output: 59 [2020-11-07 04:50:29,405 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 207 DAG size of output: 21 [2020-11-07 04:50:29,572 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:50:30,305 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2020-11-07 04:50:31,113 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 19 [2020-11-07 04:50:33,372 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 188 DAG size of output: 37 [2020-11-07 04:50:35,167 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 275 DAG size of output: 36 [2020-11-07 04:50:35,365 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2020-11-07 04:50:37,443 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 242 DAG size of output: 36 [2020-11-07 04:50:39,075 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 219 DAG size of output: 43 [2020-11-07 04:50:39,450 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2020-11-07 04:50:41,355 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 212 DAG size of output: 37 [2020-11-07 04:50:41,687 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2020-11-07 04:50:43,603 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 212 DAG size of output: 37 [2020-11-07 04:50:43,957 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2020-11-07 04:50:44,983 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 254 DAG size of output: 27 [2020-11-07 04:50:46,112 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 224 DAG size of output: 25 [2020-11-07 04:50:46,857 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:50:50,020 WARN L194 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 270 DAG size of output: 33 [2020-11-07 04:50:52,541 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 312 DAG size of output: 38 [2020-11-07 04:50:53,241 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2020-11-07 04:50:53,417 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-11-07 04:50:54,107 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 26 [2020-11-07 04:50:57,667 WARN L194 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 352 DAG size of output: 41 [2020-11-07 04:51:00,899 WARN L194 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 265 DAG size of output: 57 [2020-11-07 04:51:01,062 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-11-07 04:51:02,041 WARN L194 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 27 [2020-11-07 04:51:02,243 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 30 [2020-11-07 04:51:02,706 WARN L194 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 30 [2020-11-07 04:51:09,386 WARN L194 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 438 DAG size of output: 40 [2020-11-07 04:51:09,976 WARN L194 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 31 [2020-11-07 04:51:10,232 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 1 [2020-11-07 04:51:14,964 WARN L194 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 430 DAG size of output: 49 [2020-11-07 04:51:15,300 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:51:15,636 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:51:16,122 WARN L194 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-11-07 04:51:19,682 WARN L194 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 352 DAG size of output: 41 [2020-11-07 04:51:23,419 WARN L194 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 352 DAG size of output: 41 [2020-11-07 04:51:23,620 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-11-07 04:51:24,903 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 29 [2020-11-07 04:51:25,234 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:51:25,437 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-11-07 04:51:26,499 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 224 DAG size of output: 25 [2020-11-07 04:51:33,234 WARN L194 SmtUtils]: Spent 6.73 s on a formula simplification. DAG size of input: 438 DAG size of output: 40 [2020-11-07 04:51:34,003 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 28 [2020-11-07 04:51:35,053 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 222 DAG size of output: 21 [2020-11-07 04:51:36,117 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 222 DAG size of output: 21 [2020-11-07 04:51:37,603 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 242 DAG size of output: 31 [2020-11-07 04:51:38,393 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2020-11-07 04:51:38,847 WARN L194 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2020-11-07 04:51:42,824 WARN L194 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 279 DAG size of output: 43 [2020-11-07 04:51:43,573 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2020-11-07 04:51:43,960 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-11-07 04:51:48,759 WARN L194 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 280 DAG size of output: 45 [2020-11-07 04:51:49,017 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 1 [2020-11-07 04:51:50,987 WARN L194 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 250 DAG size of output: 40 [2020-11-07 04:51:53,029 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 256 DAG size of output: 45 [2020-11-07 04:51:54,399 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 273 DAG size of output: 35 [2020-11-07 04:51:55,860 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 210 DAG size of output: 35 [2020-11-07 04:51:56,614 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:51:57,749 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 231 DAG size of output: 29 [2020-11-07 04:52:08,265 WARN L194 SmtUtils]: Spent 10.51 s on a formula simplification. DAG size of input: 577 DAG size of output: 42 [2020-11-07 04:52:09,266 WARN L194 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 27 [2020-11-07 04:52:09,629 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:52:13,978 WARN L194 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 433 DAG size of output: 45 [2020-11-07 04:52:16,267 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 272 DAG size of output: 60 [2020-11-07 04:52:17,033 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:52:22,932 WARN L194 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 412 DAG size of output: 40 [2020-11-07 04:52:23,253 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:52:25,257 WARN L194 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 256 DAG size of output: 45 [2020-11-07 04:52:27,456 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 188 DAG size of output: 37 [2020-11-07 04:52:28,569 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 421 DAG size of output: 1 [2020-11-07 04:52:30,299 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 216 DAG size of output: 40 [2020-11-07 04:52:31,721 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 274 DAG size of output: 36 [2020-11-07 04:52:32,066 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-11-07 04:52:33,650 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 246 DAG size of output: 31 [2020-11-07 04:52:34,445 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-11-07 04:52:37,665 WARN L194 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 279 DAG size of output: 42 [2020-11-07 04:52:38,746 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 252 DAG size of output: 31 [2020-11-07 04:52:42,134 WARN L194 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 279 DAG size of output: 42 [2020-11-07 04:52:50,879 WARN L194 SmtUtils]: Spent 8.73 s on a formula simplification. DAG size of input: 417 DAG size of output: 47 [2020-11-07 04:52:51,294 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 19 [2020-11-07 04:53:00,130 WARN L194 SmtUtils]: Spent 8.79 s on a formula simplification. DAG size of input: 417 DAG size of output: 47 [2020-11-07 04:53:00,389 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 1 [2020-11-07 04:53:00,648 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 1 [2020-11-07 04:53:02,966 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 188 DAG size of output: 36 [2020-11-07 04:53:09,734 WARN L194 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 438 DAG size of output: 40 [2020-11-07 04:53:14,013 WARN L194 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 287 DAG size of output: 49 [2020-11-07 04:53:14,513 WARN L194 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 25 [2020-11-07 04:53:15,262 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:53:15,643 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2020-11-07 04:53:15,839 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-11-07 04:53:17,328 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 242 DAG size of output: 31 [2020-11-07 04:53:18,116 WARN L194 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-11-07 04:53:18,910 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2020-11-07 04:53:19,968 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 205 DAG size of output: 27 [2020-11-07 04:53:22,558 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 267 DAG size of output: 44 [2020-11-07 04:53:23,328 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 38 [2020-11-07 04:53:25,086 WARN L194 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 249 DAG size of output: 32 [2020-11-07 04:53:26,575 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 246 DAG size of output: 31 [2020-11-07 04:53:27,342 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-11-07 04:53:28,469 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 212 DAG size of output: 38 [2020-11-07 04:53:28,852 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:53:29,049 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-11-07 04:53:34,886 WARN L194 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 412 DAG size of output: 40 [2020-11-07 04:53:38,615 WARN L194 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 352 DAG size of output: 41 [2020-11-07 04:53:40,725 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 188 DAG size of output: 36 [2020-11-07 04:53:44,398 WARN L194 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 434 DAG size of output: 43 [2020-11-07 04:53:44,591 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-11-07 04:53:49,428 WARN L194 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 280 DAG size of output: 45 [2020-11-07 04:53:50,591 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 224 DAG size of output: 25