/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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:11:44,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:11:44,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:11:44,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:11:44,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:11:44,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:11:44,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:11:44,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:11:44,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:11:44,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:11:44,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:11:44,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:11:44,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:11:44,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:11:44,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:11:44,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:11:44,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:11:44,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:11:44,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:11:44,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:11:44,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:11:44,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:11:44,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:11:44,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:11:44,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:11:44,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:11:44,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:11:44,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:11:44,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:11:44,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:11:44,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:11:44,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:11:44,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:11:44,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:11:44,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:11:44,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:11:44,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:11:44,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:11:44,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:11:44,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:11:44,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:11:44,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:11:44,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:11:44,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:11:44,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:11:44,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:11:44,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:11:44,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:11:44,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:11:44,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:11:44,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:11:44,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:11:44,380 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:11:44,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:11:44,381 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:11:44,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:11:44,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:11:44,381 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:11:44,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:11:44,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:11:44,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:11:44,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:11:44,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:11:44,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:11:44,383 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:11:44,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:11:44,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:11:44,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:11:44,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:11:44,860 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:11:44,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-10-24 00:11:44,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d8e372b/26a04df4ca6e4fdc93f2fc206ef2872b/FLAGc8511ab99 [2020-10-24 00:11:45,546 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:11:45,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-10-24 00:11:45,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d8e372b/26a04df4ca6e4fdc93f2fc206ef2872b/FLAGc8511ab99 [2020-10-24 00:11:45,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d8e372b/26a04df4ca6e4fdc93f2fc206ef2872b [2020-10-24 00:11:45,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:11:45,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:11:45,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:11:45,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:11:45,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:11:45,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:11:45" (1/1) ... [2020-10-24 00:11:45,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379e64d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:45, skipping insertion in model container [2020-10-24 00:11:45,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:11:45" (1/1) ... [2020-10-24 00:11:45,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:11:45,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:11:46,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:11:46,431 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:11:46,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:11:46,580 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:11:46,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46 WrapperNode [2020-10-24 00:11:46,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:11:46,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:11:46,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:11:46,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:11:46,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (1/1) ... [2020-10-24 00:11:46,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (1/1) ... [2020-10-24 00:11:46,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (1/1) ... [2020-10-24 00:11:46,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (1/1) ... [2020-10-24 00:11:46,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (1/1) ... [2020-10-24 00:11:46,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (1/1) ... [2020-10-24 00:11:46,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (1/1) ... [2020-10-24 00:11:46,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:11:46,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:11:46,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:11:46,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:11:46,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:11:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:11:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:11:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:11:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:11:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:11:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:11:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:11:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:11:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:11:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:11:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:11:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:11:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:11:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:11:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:11:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:11:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:11:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:11:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:11:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:11:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:11:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:11:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:11:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:11:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:11:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:11:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:11:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:11:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:11:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:11:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:11:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:11:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:11:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:11:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:11:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:11:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:11:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:11:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:11:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:11:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:11:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:11:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:11:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:11:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:11:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:11:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:11:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:11:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:11:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:11:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:11:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:11:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:11:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:11:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:11:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:11:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:11:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:11:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:11:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:11:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:11:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:11:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:11:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:11:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:11:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:11:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:11:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:11:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:11:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:11:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:11:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:11:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:11:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:11:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:11:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:11:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:11:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:11:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:11:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:11:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:11:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:11:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:11:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:11:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:11:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:11:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:11:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:11:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:11:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:11:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:11:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:11:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:11:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:11:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:11:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:11:48,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:11:48,113 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:11:48,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:11:48 BoogieIcfgContainer [2020-10-24 00:11:48,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:11:48,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:11:48,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:11:48,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:11:48,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:11:45" (1/3) ... [2020-10-24 00:11:48,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd24ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:11:48, skipping insertion in model container [2020-10-24 00:11:48,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:46" (2/3) ... [2020-10-24 00:11:48,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd24ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:11:48, skipping insertion in model container [2020-10-24 00:11:48,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:11:48" (3/3) ... [2020-10-24 00:11:48,126 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-10-24 00:11:48,139 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:11:48,146 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:11:48,161 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:11:48,189 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:11:48,189 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:11:48,190 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:11:48,190 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:11:48,190 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:11:48,190 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:11:48,190 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:11:48,191 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:11:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-10-24 00:11:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:11:48,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:11:48,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:11:48,239 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:11:48,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:11:48,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1838554546, now seen corresponding path program 1 times [2020-10-24 00:11:48,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:11:48,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56893070] [2020-10-24 00:11:48,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:11:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,041 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:11:49,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:11:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:11:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:11:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:11:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:11:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:11:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:11:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:11:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:11:49,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56893070] [2020-10-24 00:11:49,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:11:49,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:11:49,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232387041] [2020-10-24 00:11:49,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:11:49,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:11:49,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:11:49,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:11:49,228 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 4 states. [2020-10-24 00:11:50,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:11:50,850 INFO L93 Difference]: Finished difference Result 505 states and 590 transitions. [2020-10-24 00:11:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:11:50,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:11:50,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:11:50,870 INFO L225 Difference]: With dead ends: 505 [2020-10-24 00:11:50,871 INFO L226 Difference]: Without dead ends: 318 [2020-10-24 00:11:50,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:11:50,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-24 00:11:51,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 274. [2020-10-24 00:11:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-24 00:11:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 297 transitions. [2020-10-24 00:11:51,057 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 297 transitions. Word has length 166 [2020-10-24 00:11:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:11:51,058 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 297 transitions. [2020-10-24 00:11:51,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:11:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 297 transitions. [2020-10-24 00:11:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:11:51,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:11:51,063 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:11:51,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:11:51,063 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:11:51,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:11:51,064 INFO L82 PathProgramCache]: Analyzing trace with hash 61293119, now seen corresponding path program 1 times [2020-10-24 00:11:51,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:11:51,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [336925157] [2020-10-24 00:11:51,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:11:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,508 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:11:51,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:11:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:11:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:11:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:11:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:11:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:11:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:11:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:11:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:11:51,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [336925157] [2020-10-24 00:11:51,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:11:51,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:11:51,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528122430] [2020-10-24 00:11:51,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:11:51,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:11:51,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:11:51,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:11:51,621 INFO L87 Difference]: Start difference. First operand 274 states and 297 transitions. Second operand 5 states. [2020-10-24 00:11:52,447 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:11:53,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:11:53,594 INFO L93 Difference]: Finished difference Result 431 states and 482 transitions. [2020-10-24 00:11:53,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:11:53,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:11:53,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:11:53,599 INFO L225 Difference]: With dead ends: 431 [2020-10-24 00:11:53,599 INFO L226 Difference]: Without dead ends: 307 [2020-10-24 00:11:53,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:11:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-24 00:11:53,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 264. [2020-10-24 00:11:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-24 00:11:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 284 transitions. [2020-10-24 00:11:53,704 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 284 transitions. Word has length 167 [2020-10-24 00:11:53,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:11:53,705 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 284 transitions. [2020-10-24 00:11:53,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:11:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 284 transitions. [2020-10-24 00:11:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-24 00:11:53,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:11:53,708 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] [2020-10-24 00:11:53,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:11:53,708 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:11:53,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:11:53,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1345086176, now seen corresponding path program 1 times [2020-10-24 00:11:53,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:11:53,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341121316] [2020-10-24 00:11:53,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:11:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,195 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:11:54,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:11:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:11:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:11:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:11:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:11:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:11:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:11:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-24 00:11:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:11:54,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341121316] [2020-10-24 00:11:54,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:11:54,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:11:54,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858509355] [2020-10-24 00:11:54,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:11:54,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:11:54,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:11:54,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:11:54,500 INFO L87 Difference]: Start difference. First operand 264 states and 284 transitions. Second operand 10 states. [2020-10-24 00:11:55,237 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:11:55,699 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:11:56,101 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:11:56,491 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:11:56,894 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:11:57,314 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:11:59,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:11:59,134 INFO L93 Difference]: Finished difference Result 451 states and 508 transitions. [2020-10-24 00:11:59,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:11:59,154 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-24 00:11:59,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:11:59,160 INFO L225 Difference]: With dead ends: 451 [2020-10-24 00:11:59,161 INFO L226 Difference]: Without dead ends: 307 [2020-10-24 00:11:59,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:11:59,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-24 00:11:59,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 264. [2020-10-24 00:11:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-24 00:11:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 283 transitions. [2020-10-24 00:11:59,264 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 283 transitions. Word has length 176 [2020-10-24 00:11:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:11:59,265 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 283 transitions. [2020-10-24 00:11:59,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:11:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 283 transitions. [2020-10-24 00:11:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-24 00:11:59,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:11:59,268 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] [2020-10-24 00:11:59,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:11:59,269 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:11:59,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:11:59,269 INFO L82 PathProgramCache]: Analyzing trace with hash 161612507, now seen corresponding path program 1 times [2020-10-24 00:11:59,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:11:59,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118358894] [2020-10-24 00:11:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:11:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,660 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:11:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:11:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:11:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:11:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:11:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:11:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:11:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:11:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:11:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:11:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-24 00:11:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-24 00:11:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:11:59,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118358894] [2020-10-24 00:11:59,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:11:59,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 00:11:59,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564082534] [2020-10-24 00:11:59,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:11:59,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:11:59,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:11:59,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:11:59,843 INFO L87 Difference]: Start difference. First operand 264 states and 283 transitions. Second operand 7 states. [2020-10-24 00:12:00,474 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:02,478 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:03,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:03,100 INFO L93 Difference]: Finished difference Result 593 states and 679 transitions. [2020-10-24 00:12:03,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:12:03,100 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-10-24 00:12:03,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:03,104 INFO L225 Difference]: With dead ends: 593 [2020-10-24 00:12:03,105 INFO L226 Difference]: Without dead ends: 449 [2020-10-24 00:12:03,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:12:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-10-24 00:12:03,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 379. [2020-10-24 00:12:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-10-24 00:12:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 410 transitions. [2020-10-24 00:12:03,279 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 410 transitions. Word has length 189 [2020-10-24 00:12:03,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:03,280 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 410 transitions. [2020-10-24 00:12:03,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:12:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 410 transitions. [2020-10-24 00:12:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-24 00:12:03,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:03,283 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] [2020-10-24 00:12:03,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:12:03,284 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:03,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:03,285 INFO L82 PathProgramCache]: Analyzing trace with hash 737245382, now seen corresponding path program 1 times [2020-10-24 00:12:03,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:03,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835124869] [2020-10-24 00:12:03,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,690 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:03,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-24 00:12:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:12:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:03,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835124869] [2020-10-24 00:12:03,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:03,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:03,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482652495] [2020-10-24 00:12:03,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:03,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:03,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:03,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:03,956 INFO L87 Difference]: Start difference. First operand 379 states and 410 transitions. Second operand 10 states. [2020-10-24 00:12:04,666 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:06,218 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:06,658 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:07,090 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:07,512 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:07,975 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:08,388 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:10,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:10,458 INFO L93 Difference]: Finished difference Result 926 states and 1091 transitions. [2020-10-24 00:12:10,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 00:12:10,460 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-10-24 00:12:10,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:10,466 INFO L225 Difference]: With dead ends: 926 [2020-10-24 00:12:10,466 INFO L226 Difference]: Without dead ends: 667 [2020-10-24 00:12:10,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:12:10,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-10-24 00:12:10,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 566. [2020-10-24 00:12:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-10-24 00:12:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 625 transitions. [2020-10-24 00:12:10,682 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 625 transitions. Word has length 213 [2020-10-24 00:12:10,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:10,683 INFO L481 AbstractCegarLoop]: Abstraction has 566 states and 625 transitions. [2020-10-24 00:12:10,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:12:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 625 transitions. [2020-10-24 00:12:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-24 00:12:10,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:10,687 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] [2020-10-24 00:12:10,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:12:10,688 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:10,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:10,688 INFO L82 PathProgramCache]: Analyzing trace with hash 46751241, now seen corresponding path program 1 times [2020-10-24 00:12:10,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:10,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881326696] [2020-10-24 00:12:10,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,138 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:11,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-24 00:12:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:12:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:12:11,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881326696] [2020-10-24 00:12:11,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:11,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:11,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124500068] [2020-10-24 00:12:11,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:11,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:11,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:11,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:11,367 INFO L87 Difference]: Start difference. First operand 566 states and 625 transitions. Second operand 10 states. [2020-10-24 00:12:12,070 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:13,163 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:13,593 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:14,805 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:15,221 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:15,697 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:16,379 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:16,777 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:17,163 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:18,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:18,023 INFO L93 Difference]: Finished difference Result 1106 states and 1272 transitions. [2020-10-24 00:12:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:12:18,025 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-10-24 00:12:18,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:18,030 INFO L225 Difference]: With dead ends: 1106 [2020-10-24 00:12:18,030 INFO L226 Difference]: Without dead ends: 660 [2020-10-24 00:12:18,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:12:18,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-10-24 00:12:18,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 564. [2020-10-24 00:12:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-10-24 00:12:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 619 transitions. [2020-10-24 00:12:18,216 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 619 transitions. Word has length 213 [2020-10-24 00:12:18,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:18,218 INFO L481 AbstractCegarLoop]: Abstraction has 564 states and 619 transitions. [2020-10-24 00:12:18,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:12:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 619 transitions. [2020-10-24 00:12:18,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-24 00:12:18,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:18,231 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] [2020-10-24 00:12:18,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:12:18,231 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:18,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:18,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1696080223, now seen corresponding path program 1 times [2020-10-24 00:12:18,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:18,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531900959] [2020-10-24 00:12:18,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,626 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:18,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-24 00:12:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-24 00:12:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:18,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531900959] [2020-10-24 00:12:18,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:18,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:18,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406777299] [2020-10-24 00:12:18,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:18,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:18,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:18,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:18,936 INFO L87 Difference]: Start difference. First operand 564 states and 619 transitions. Second operand 10 states. [2020-10-24 00:12:20,525 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:20,943 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:21,373 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:12:21,780 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:22,191 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:22,575 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:23,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:23,717 INFO L93 Difference]: Finished difference Result 1110 states and 1270 transitions. [2020-10-24 00:12:23,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:12:23,717 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 214 [2020-10-24 00:12:23,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:23,722 INFO L225 Difference]: With dead ends: 1110 [2020-10-24 00:12:23,722 INFO L226 Difference]: Without dead ends: 666 [2020-10-24 00:12:23,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:12:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2020-10-24 00:12:23,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 580. [2020-10-24 00:12:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-10-24 00:12:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 635 transitions. [2020-10-24 00:12:23,928 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 635 transitions. Word has length 214 [2020-10-24 00:12:23,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:23,929 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 635 transitions. [2020-10-24 00:12:23,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:12:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 635 transitions. [2020-10-24 00:12:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-24 00:12:23,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:23,933 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] [2020-10-24 00:12:23,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:12:23,933 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:23,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:23,934 INFO L82 PathProgramCache]: Analyzing trace with hash 2109711615, now seen corresponding path program 1 times [2020-10-24 00:12:23,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:23,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120842805] [2020-10-24 00:12:23,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,340 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:24,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-24 00:12:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-24 00:12:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:24,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120842805] [2020-10-24 00:12:24,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:24,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-24 00:12:24,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79318737] [2020-10-24 00:12:24,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:12:24,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:24,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:12:24,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:12:24,591 INFO L87 Difference]: Start difference. First operand 580 states and 635 transitions. Second operand 13 states. [2020-10-24 00:12:25,460 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:25,855 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:26,245 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:26,642 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:27,048 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:28,282 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:28,659 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:29,068 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:29,484 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:29,854 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:31,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:31,190 INFO L93 Difference]: Finished difference Result 1023 states and 1165 transitions. [2020-10-24 00:12:31,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:12:31,196 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2020-10-24 00:12:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:31,200 INFO L225 Difference]: With dead ends: 1023 [2020-10-24 00:12:31,201 INFO L226 Difference]: Without dead ends: 563 [2020-10-24 00:12:31,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:12:31,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-10-24 00:12:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 494. [2020-10-24 00:12:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-10-24 00:12:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 530 transitions. [2020-10-24 00:12:31,401 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 530 transitions. Word has length 214 [2020-10-24 00:12:31,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:31,402 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 530 transitions. [2020-10-24 00:12:31,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:12:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 530 transitions. [2020-10-24 00:12:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-24 00:12:31,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:31,405 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] [2020-10-24 00:12:31,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:12:31,406 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:31,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:31,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1188437743, now seen corresponding path program 1 times [2020-10-24 00:12:31,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:31,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101380642] [2020-10-24 00:12:31,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:31,894 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:31,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:31,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:31,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:31,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:31,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:31,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:12:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-24 00:12:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-24 00:12:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-24 00:12:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-24 00:12:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:32,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101380642] [2020-10-24 00:12:32,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:32,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:12:32,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292386529] [2020-10-24 00:12:32,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:12:32,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:32,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:12:32,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:12:32,266 INFO L87 Difference]: Start difference. First operand 494 states and 530 transitions. Second operand 14 states. [2020-10-24 00:12:33,280 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:12:34,350 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:36,447 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:12:37,198 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:12:37,633 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:38,018 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:38,777 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:12:39,165 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:39,592 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:39,983 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:41,801 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:42,197 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:42,626 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:43,483 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:12:45,204 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:12:45,977 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:12:46,755 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:12:47,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:47,096 INFO L93 Difference]: Finished difference Result 1351 states and 1528 transitions. [2020-10-24 00:12:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-24 00:12:47,097 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 219 [2020-10-24 00:12:47,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:47,104 INFO L225 Difference]: With dead ends: 1351 [2020-10-24 00:12:47,104 INFO L226 Difference]: Without dead ends: 1077 [2020-10-24 00:12:47,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-10-24 00:12:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-24 00:12:47,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 979. [2020-10-24 00:12:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 979 states. [2020-10-24 00:12:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1056 transitions. [2020-10-24 00:12:47,584 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1056 transitions. Word has length 219 [2020-10-24 00:12:47,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:47,584 INFO L481 AbstractCegarLoop]: Abstraction has 979 states and 1056 transitions. [2020-10-24 00:12:47,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:12:47,584 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1056 transitions. [2020-10-24 00:12:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-24 00:12:47,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:47,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:47,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:12:47,590 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:47,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:47,591 INFO L82 PathProgramCache]: Analyzing trace with hash -656878068, now seen corresponding path program 1 times [2020-10-24 00:12:47,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:47,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793634779] [2020-10-24 00:12:47,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,043 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:12:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:12:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:12:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:12:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-24 00:12:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-24 00:12:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-24 00:12:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:12:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:12:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-24 00:12:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-10-24 00:12:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-24 00:12:48,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793634779] [2020-10-24 00:12:48,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:12:48,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:12:48,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830243140] [2020-10-24 00:12:48,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:12:48,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:48,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:12:48,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:12:48,616 INFO L87 Difference]: Start difference. First operand 979 states and 1056 transitions. Second operand 18 states. [2020-10-24 00:12:49,430 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:49,983 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:12:50,402 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-24 00:12:50,847 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:12:51,311 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:12:51,705 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:12:52,754 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:12:53,223 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:12:53,633 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:54,334 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:12:55,418 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:56,110 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:12:56,611 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:12:58,303 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:12:59,066 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:12:59,510 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:13:00,269 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:13:00,799 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:01,731 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:02,514 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:13:02,974 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:13:03,835 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:13:04,646 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:13:06,100 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:13:06,529 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:07,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:07,711 INFO L93 Difference]: Finished difference Result 2085 states and 2306 transitions. [2020-10-24 00:13:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-24 00:13:07,712 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 301 [2020-10-24 00:13:07,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:07,720 INFO L225 Difference]: With dead ends: 2085 [2020-10-24 00:13:07,721 INFO L226 Difference]: Without dead ends: 1324 [2020-10-24 00:13:07,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1192 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=842, Invalid=3714, Unknown=0, NotChecked=0, Total=4556 [2020-10-24 00:13:07,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2020-10-24 00:13:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1183. [2020-10-24 00:13:08,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-24 00:13:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1286 transitions. [2020-10-24 00:13:08,420 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1286 transitions. Word has length 301 [2020-10-24 00:13:08,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:08,421 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1286 transitions. [2020-10-24 00:13:08,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:13:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1286 transitions. [2020-10-24 00:13:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-10-24 00:13:08,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:08,428 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:08,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:13:08,429 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:08,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:08,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1434981102, now seen corresponding path program 1 times [2020-10-24 00:13:08,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:08,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1218413962] [2020-10-24 00:13:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,844 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:13:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-10-24 00:13:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-10-24 00:13:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2020-10-24 00:13:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-10-24 00:13:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-10-24 00:13:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-10-24 00:13:09,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1218413962] [2020-10-24 00:13:09,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:09,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-24 00:13:09,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153455892] [2020-10-24 00:13:09,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-24 00:13:09,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:09,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-24 00:13:09,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:13:09,492 INFO L87 Difference]: Start difference. First operand 1183 states and 1286 transitions. Second operand 16 states. [2020-10-24 00:13:10,228 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:11,533 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:15,222 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:15,653 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:16,094 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:16,508 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:16,937 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:17,352 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:17,739 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:18,155 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:18,566 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:18,988 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:19,424 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:19,831 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:20,608 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 213 [2020-10-24 00:13:21,034 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:21,792 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-24 00:13:22,219 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:22,659 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:13:23,073 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:13:24,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:24,702 INFO L93 Difference]: Finished difference Result 3217 states and 3564 transitions. [2020-10-24 00:13:24,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-24 00:13:24,702 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 463 [2020-10-24 00:13:24,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:24,714 INFO L225 Difference]: With dead ends: 3217 [2020-10-24 00:13:24,714 INFO L226 Difference]: Without dead ends: 2167 [2020-10-24 00:13:24,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=490, Invalid=1960, Unknown=0, NotChecked=0, Total=2450 [2020-10-24 00:13:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2020-10-24 00:13:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2081. [2020-10-24 00:13:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2020-10-24 00:13:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2248 transitions. [2020-10-24 00:13:25,995 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2248 transitions. Word has length 463 [2020-10-24 00:13:25,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:25,999 INFO L481 AbstractCegarLoop]: Abstraction has 2081 states and 2248 transitions. [2020-10-24 00:13:25,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-24 00:13:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2248 transitions. [2020-10-24 00:13:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-10-24 00:13:26,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:26,010 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:26,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:13:26,010 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:26,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:26,011 INFO L82 PathProgramCache]: Analyzing trace with hash -252733901, now seen corresponding path program 1 times [2020-10-24 00:13:26,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:26,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681398108] [2020-10-24 00:13:26,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,490 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:26,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:13:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:13:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:13:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:26,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-10-24 00:13:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-10-24 00:13:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-10-24 00:13:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-10-24 00:13:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-10-24 00:13:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 111 proven. 20 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-24 00:13:27,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681398108] [2020-10-24 00:13:27,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:27,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-24 00:13:27,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056841937] [2020-10-24 00:13:27,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 00:13:27,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:27,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 00:13:27,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-10-24 00:13:27,288 INFO L87 Difference]: Start difference. First operand 2081 states and 2248 transitions. Second operand 22 states. [2020-10-24 00:13:28,049 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:28,582 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:29,000 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:29,403 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:29,824 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:13:30,200 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:31,393 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:35,882 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:36,339 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:36,805 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:37,257 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:37,701 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:38,142 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:38,589 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:39,045 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:39,495 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:39,995 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:40,430 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:40,889 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:41,744 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:13:42,587 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:13:43,382 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:13:45,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:45,279 INFO L93 Difference]: Finished difference Result 3858 states and 4234 transitions. [2020-10-24 00:13:45,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-24 00:13:45,280 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 468 [2020-10-24 00:13:45,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:45,292 INFO L225 Difference]: With dead ends: 3858 [2020-10-24 00:13:45,292 INFO L226 Difference]: Without dead ends: 2138 [2020-10-24 00:13:45,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=814, Invalid=3608, Unknown=0, NotChecked=0, Total=4422 [2020-10-24 00:13:45,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2020-10-24 00:13:46,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1947. [2020-10-24 00:13:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2020-10-24 00:13:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2100 transitions. [2020-10-24 00:13:46,171 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2100 transitions. Word has length 468 [2020-10-24 00:13:46,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:46,172 INFO L481 AbstractCegarLoop]: Abstraction has 1947 states and 2100 transitions. [2020-10-24 00:13:46,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 00:13:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2100 transitions. [2020-10-24 00:13:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-10-24 00:13:46,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:46,180 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:46,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:13:46,180 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:46,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:46,181 INFO L82 PathProgramCache]: Analyzing trace with hash -490205245, now seen corresponding path program 2 times [2020-10-24 00:13:46,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:46,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628549727] [2020-10-24 00:13:46,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,623 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:13:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:46,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-10-24 00:13:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-10-24 00:13:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-10-24 00:13:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-10-24 00:13:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-10-24 00:13:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-10-24 00:13:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-24 00:13:47,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628549727] [2020-10-24 00:13:47,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:47,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:13:47,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159559424] [2020-10-24 00:13:47,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:13:47,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:47,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:13:47,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:13:47,450 INFO L87 Difference]: Start difference. First operand 1947 states and 2100 transitions. Second operand 17 states. [2020-10-24 00:13:49,734 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:50,150 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:50,566 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:50,992 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:51,390 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:51,783 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:54,472 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:54,903 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:56,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:56,551 INFO L93 Difference]: Finished difference Result 5149 states and 5777 transitions. [2020-10-24 00:13:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-24 00:13:56,556 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 468 [2020-10-24 00:13:56,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:56,574 INFO L225 Difference]: With dead ends: 5149 [2020-10-24 00:13:56,574 INFO L226 Difference]: Without dead ends: 3068 [2020-10-24 00:13:56,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 107 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=455, Invalid=1615, Unknown=0, NotChecked=0, Total=2070 [2020-10-24 00:13:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2020-10-24 00:13:58,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2490. [2020-10-24 00:13:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2490 states. [2020-10-24 00:13:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 2725 transitions. [2020-10-24 00:13:58,023 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 2725 transitions. Word has length 468 [2020-10-24 00:13:58,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:58,023 INFO L481 AbstractCegarLoop]: Abstraction has 2490 states and 2725 transitions. [2020-10-24 00:13:58,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:13:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 2725 transitions. [2020-10-24 00:13:58,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2020-10-24 00:13:58,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:58,033 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, 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] [2020-10-24 00:13:58,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:13:58,033 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:58,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1652902826, now seen corresponding path program 1 times [2020-10-24 00:13:58,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:58,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698507237] [2020-10-24 00:13:58,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,515 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:58,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:13:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:13:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-24 00:13:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-24 00:13:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2020-10-24 00:13:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-10-24 00:13:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-10-24 00:13:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:58,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-10-24 00:13:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 128 proven. 39 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-10-24 00:13:59,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698507237] [2020-10-24 00:13:59,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:59,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:13:59,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911026668] [2020-10-24 00:13:59,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:13:59,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:59,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:13:59,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:13:59,097 INFO L87 Difference]: Start difference. First operand 2490 states and 2725 transitions. Second operand 19 states. [2020-10-24 00:13:59,810 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:00,351 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:00,751 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:01,145 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:01,539 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:14:01,919 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:02,997 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:03,513 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:04,813 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:05,480 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:05,930 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:06,357 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:07,433 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:07,866 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:09,170 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:09,578 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:09,958 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:11,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:11,420 INFO L93 Difference]: Finished difference Result 4790 states and 5333 transitions. [2020-10-24 00:14:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-24 00:14:11,421 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 478 [2020-10-24 00:14:11,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:11,437 INFO L225 Difference]: With dead ends: 4790 [2020-10-24 00:14:11,437 INFO L226 Difference]: Without dead ends: 2661 [2020-10-24 00:14:11,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080 [2020-10-24 00:14:11,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-24 00:14:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2424. [2020-10-24 00:14:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2424 states. [2020-10-24 00:14:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 2628 transitions. [2020-10-24 00:14:12,588 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 2628 transitions. Word has length 478 [2020-10-24 00:14:12,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:12,589 INFO L481 AbstractCegarLoop]: Abstraction has 2424 states and 2628 transitions. [2020-10-24 00:14:12,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:14:12,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2628 transitions. [2020-10-24 00:14:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2020-10-24 00:14:12,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:12,598 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:12,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:14:12,598 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:14:12,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:12,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1850827594, now seen corresponding path program 1 times [2020-10-24 00:14:12,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:12,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894530792] [2020-10-24 00:14:12,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,019 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:13,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:14:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:14:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-24 00:14:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:14:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-10-24 00:14:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-24 00:14:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-24 00:14:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-10-24 00:14:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 138 proven. 36 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-10-24 00:14:13,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894530792] [2020-10-24 00:14:13,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:13,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:14:13,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892827358] [2020-10-24 00:14:13,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:14:13,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:13,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:14:13,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:14:13,684 INFO L87 Difference]: Start difference. First operand 2424 states and 2628 transitions. Second operand 18 states. [2020-10-24 00:14:14,451 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:16,724 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:17,136 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:17,880 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:14:18,288 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:14:19,018 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:14:19,409 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:20,113 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:14:20,511 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:20,919 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:21,298 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:21,663 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:23,965 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:24,369 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:26,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:26,928 INFO L93 Difference]: Finished difference Result 4890 states and 5494 transitions. [2020-10-24 00:14:26,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-24 00:14:26,929 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 479 [2020-10-24 00:14:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:26,948 INFO L225 Difference]: With dead ends: 4890 [2020-10-24 00:14:26,949 INFO L226 Difference]: Without dead ends: 3630 [2020-10-24 00:14:26,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 120 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=712, Invalid=3194, Unknown=0, NotChecked=0, Total=3906 [2020-10-24 00:14:26,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3630 states. [2020-10-24 00:14:28,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3630 to 2992. [2020-10-24 00:14:28,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2992 states. [2020-10-24 00:14:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 3248 transitions. [2020-10-24 00:14:28,374 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 3248 transitions. Word has length 479 [2020-10-24 00:14:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:28,375 INFO L481 AbstractCegarLoop]: Abstraction has 2992 states and 3248 transitions. [2020-10-24 00:14:28,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:14:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3248 transitions. [2020-10-24 00:14:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-10-24 00:14:28,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:28,385 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:28,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:14:28,385 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:14:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:28,386 INFO L82 PathProgramCache]: Analyzing trace with hash 12243472, now seen corresponding path program 1 times [2020-10-24 00:14:28,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:28,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950138417] [2020-10-24 00:14:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,877 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:28,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:14:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:14:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-24 00:14:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:14:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-10-24 00:14:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-10-24 00:14:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-10-24 00:14:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-24 00:14:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-24 00:14:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 129 proven. 64 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-24 00:14:29,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950138417] [2020-10-24 00:14:29,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:29,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:14:29,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584628519] [2020-10-24 00:14:29,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:14:29,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:29,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:14:29,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:14:29,506 INFO L87 Difference]: Start difference. First operand 2992 states and 3248 transitions. Second operand 18 states. [2020-10-24 00:14:30,236 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:32,199 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:33,372 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:33,790 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:34,560 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:14:34,964 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:35,765 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:14:36,167 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:36,895 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:14:37,680 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:14:38,501 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:14:39,242 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:14:39,613 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:42,026 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:42,437 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:43,328 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:44,668 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:45,089 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:45,844 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:14:46,226 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:14:47,000 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:14:47,393 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:48,123 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:14:48,549 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:49,047 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:14:49,458 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:53,713 INFO L93 Difference]: Finished difference Result 6586 states and 7516 transitions. [2020-10-24 00:14:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-10-24 00:14:53,716 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 494 [2020-10-24 00:14:53,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:53,741 INFO L225 Difference]: With dead ends: 6586 [2020-10-24 00:14:53,742 INFO L226 Difference]: Without dead ends: 5015 [2020-10-24 00:14:53,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 141 SyntacticMatches, 7 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2989 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=1471, Invalid=7271, Unknown=0, NotChecked=0, Total=8742 [2020-10-24 00:14:53,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5015 states. [2020-10-24 00:14:55,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5015 to 3828. [2020-10-24 00:14:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2020-10-24 00:14:55,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 4166 transitions. [2020-10-24 00:14:55,364 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 4166 transitions. Word has length 494 [2020-10-24 00:14:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:55,365 INFO L481 AbstractCegarLoop]: Abstraction has 3828 states and 4166 transitions. [2020-10-24 00:14:55,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:14:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 4166 transitions. [2020-10-24 00:14:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-10-24 00:14:55,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:55,378 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:55,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:14:55,378 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:14:55,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:55,379 INFO L82 PathProgramCache]: Analyzing trace with hash 260003469, now seen corresponding path program 2 times [2020-10-24 00:14:55,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:55,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234546651] [2020-10-24 00:14:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,819 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:55,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:55,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:14:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:14:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-10-24 00:14:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:14:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-24 00:14:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-10-24 00:14:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-10-24 00:14:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-10-24 00:14:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-10-24 00:14:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-10-24 00:14:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 212 proven. 64 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2020-10-24 00:14:56,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234546651] [2020-10-24 00:14:56,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:56,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:14:56,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543641939] [2020-10-24 00:14:56,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:14:56,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:56,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:14:56,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:14:56,652 INFO L87 Difference]: Start difference. First operand 3828 states and 4166 transitions. Second operand 19 states. [2020-10-24 00:14:57,377 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:58,447 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:59,499 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:00,595 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:01,008 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:01,762 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:02,165 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:02,910 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:15:03,311 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:04,065 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:08,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:08,628 INFO L93 Difference]: Finished difference Result 6776 states and 7553 transitions. [2020-10-24 00:15:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-24 00:15:08,629 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 577 [2020-10-24 00:15:08,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:08,651 INFO L225 Difference]: With dead ends: 6776 [2020-10-24 00:15:08,651 INFO L226 Difference]: Without dead ends: 4308 [2020-10-24 00:15:08,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 148 SyntacticMatches, 8 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=635, Invalid=2445, Unknown=0, NotChecked=0, Total=3080 [2020-10-24 00:15:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2020-10-24 00:15:10,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 3661. [2020-10-24 00:15:10,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3661 states. [2020-10-24 00:15:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 3661 states and 3948 transitions. [2020-10-24 00:15:10,182 INFO L78 Accepts]: Start accepts. Automaton has 3661 states and 3948 transitions. Word has length 577 [2020-10-24 00:15:10,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:10,183 INFO L481 AbstractCegarLoop]: Abstraction has 3661 states and 3948 transitions. [2020-10-24 00:15:10,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:15:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 3948 transitions. [2020-10-24 00:15:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-10-24 00:15:10,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:10,194 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:10,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:15:10,194 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:10,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:10,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1095397267, now seen corresponding path program 2 times [2020-10-24 00:15:10,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:10,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937133112] [2020-10-24 00:15:10,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,629 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:10,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:15:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:15:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-10-24 00:15:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:15:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-24 00:15:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-10-24 00:15:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-10-24 00:15:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-10-24 00:15:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-10-24 00:15:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-10-24 00:15:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-10-24 00:15:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 195 proven. 97 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2020-10-24 00:15:11,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937133112] [2020-10-24 00:15:11,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:11,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:15:11,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893027234] [2020-10-24 00:15:11,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:15:11,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:11,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:15:11,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:15:11,444 INFO L87 Difference]: Start difference. First operand 3661 states and 3948 transitions. Second operand 19 states. [2020-10-24 00:15:12,184 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:13,357 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:14,402 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:15,503 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:15,923 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:16,692 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:15:17,095 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:17,911 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:15:18,315 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:19,046 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:15:21,701 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:22,624 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:23,038 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:23,794 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:15:24,586 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:15:25,324 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:15:28,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:28,824 INFO L93 Difference]: Finished difference Result 7241 states and 8039 transitions. [2020-10-24 00:15:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-24 00:15:28,824 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 592 [2020-10-24 00:15:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:28,844 INFO L225 Difference]: With dead ends: 7241 [2020-10-24 00:15:28,844 INFO L226 Difference]: Without dead ends: 4940 [2020-10-24 00:15:28,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 163 SyntacticMatches, 9 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1742 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=1148, Invalid=4402, Unknown=0, NotChecked=0, Total=5550 [2020-10-24 00:15:28,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states. [2020-10-24 00:15:30,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4137. [2020-10-24 00:15:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4137 states. [2020-10-24 00:15:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 4137 states and 4459 transitions. [2020-10-24 00:15:30,887 INFO L78 Accepts]: Start accepts. Automaton has 4137 states and 4459 transitions. Word has length 592 [2020-10-24 00:15:30,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:30,888 INFO L481 AbstractCegarLoop]: Abstraction has 4137 states and 4459 transitions. [2020-10-24 00:15:30,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:15:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4137 states and 4459 transitions. [2020-10-24 00:15:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-10-24 00:15:30,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:30,899 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:30,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:15:30,900 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:30,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:30,900 INFO L82 PathProgramCache]: Analyzing trace with hash 2115681122, now seen corresponding path program 1 times [2020-10-24 00:15:30,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:30,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362741331] [2020-10-24 00:15:30,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,470 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:31,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:15:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:15:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-24 00:15:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:15:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:31,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-10-24 00:15:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-24 00:15:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:15:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-10-24 00:15:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-10-24 00:15:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-10-24 00:15:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-10-24 00:15:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-10-24 00:15:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 187 proven. 144 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2020-10-24 00:15:32,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362741331] [2020-10-24 00:15:32,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:32,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-24 00:15:32,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449744303] [2020-10-24 00:15:32,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-24 00:15:32,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:32,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-24 00:15:32,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:15:32,507 INFO L87 Difference]: Start difference. First operand 4137 states and 4459 transitions. Second operand 24 states. [2020-10-24 00:15:33,629 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-24 00:15:35,400 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-24 00:15:38,355 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:15:39,248 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:15:40,153 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:15:41,042 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-24 00:15:41,939 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:15:42,800 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-24 00:15:43,647 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:15:44,498 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:45,326 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:15:46,138 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:49,151 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-24 00:15:50,752 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:15:51,610 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-10-24 00:15:52,465 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:15:53,356 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-10-24 00:15:54,203 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:15:57,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:57,808 INFO L93 Difference]: Finished difference Result 6932 states and 7585 transitions. [2020-10-24 00:15:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-24 00:15:57,808 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 592 [2020-10-24 00:15:57,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:57,811 INFO L225 Difference]: With dead ends: 6932 [2020-10-24 00:15:57,811 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:15:57,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 151 SyntacticMatches, 11 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=790, Invalid=4910, Unknown=0, NotChecked=0, Total=5700 [2020-10-24 00:15:57,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:15:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:15:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:15:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:15:57,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 592 [2020-10-24 00:15:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:57,829 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:15:57,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-24 00:15:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:15:57,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:15:57,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-24 00:15:57,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:15:58,680 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-10-24 00:15:59,093 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-10-24 00:15:59,564 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:15:59,772 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-10-24 00:16:00,183 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:16:00,457 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:16:00,915 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:16:01,069 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-10-24 00:16:01,490 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-10-24 00:16:01,793 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 252 [2020-10-24 00:16:01,970 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 254 [2020-10-24 00:16:02,647 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-10-24 00:16:02,788 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 251 [2020-10-24 00:16:04,906 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-10-24 00:16:05,717 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2020-10-24 00:16:06,039 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-10-24 00:16:06,326 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 271 [2020-10-24 00:16:08,277 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2020-10-24 00:16:09,979 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-10-24 00:16:10,923 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-10-24 00:16:11,272 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 275 [2020-10-24 00:16:13,089 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2020-10-24 00:16:14,301 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-10-24 00:16:14,587 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2020-10-24 00:16:16,123 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 257 [2020-10-24 00:16:19,089 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:16:19,344 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:16:23,234 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 36 [2020-10-24 00:16:24,741 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 42 [2020-10-24 00:16:25,017 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 36 [2020-10-24 00:16:25,488 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-10-24 00:16:25,654 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-10-24 00:16:26,033 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 281 [2020-10-24 00:16:26,394 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 284 [2020-10-24 00:16:26,700 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-10-24 00:16:27,694 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 276 [2020-10-24 00:16:28,373 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-10-24 00:16:30,407 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:16:30,619 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:16:31,161 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:16:32,002 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:16:34,159 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:16:34,510 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:16:34,733 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-10-24 00:16:37,659 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:16:37,802 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:16:38,603 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 252 [2020-10-24 00:16:39,103 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:16:39,261 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:16:43,278 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 663 DAG size of output: 481 [2020-10-24 00:16:46,125 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:16:48,980 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:16:50,844 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 36 [2020-10-24 00:16:52,313 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 42 [2020-10-24 00:16:52,425 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 73 [2020-10-24 00:16:52,606 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 36 [2020-10-24 00:16:53,625 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:16:53,782 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:16:55,074 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:16:55,409 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:16:57,353 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:16:57,495 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:16:57,892 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:16:58,311 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:16:59,984 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:17:00,180 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:17:00,367 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:17:02,835 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:17:03,315 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 276 [2020-10-24 00:17:04,257 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 274 [2020-10-24 00:17:06,411 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 589 DAG size of output: 385 [2020-10-24 00:17:07,403 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-10-24 00:17:09,670 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:17:11,997 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:17:14,588 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2020-10-24 00:17:15,449 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-10-24 00:17:15,778 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 275 [2020-10-24 00:17:19,031 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2020-10-24 00:17:19,171 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:17:19,391 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:17:21,444 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 276 [2020-10-24 00:17:22,388 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 274 [2020-10-24 00:17:23,420 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-10-24 00:17:23,870 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:17:24,175 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:17:25,183 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:17:25,393 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:17:28,052 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:17:28,892 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:17:29,717 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-10-24 00:17:36,208 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:17:37,199 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-10-24 00:17:38,200 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-10-24 00:17:38,642 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 260 [2020-10-24 00:17:38,942 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:17:39,301 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:17:40,806 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 262 [2020-10-24 00:17:45,655 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:17:46,105 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 260 [2020-10-24 00:17:46,412 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-10-24 00:17:46,785 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:17:48,302 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 262 [2020-10-24 00:17:50,862 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:17:56,759 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-10-24 00:17:56,962 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-10-24 00:17:57,097 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-10-24 00:17:57,231 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-10-24 00:17:57,421 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-10-24 00:17:57,733 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 257 [2020-10-24 00:17:57,869 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-10-24 00:17:58,288 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:17:58,481 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-10-24 00:17:59,949 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-10-24 00:18:00,170 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-10-24 00:18:00,823 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:18:01,270 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:18:02,640 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:18:02,849 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:18:03,017 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:18:03,161 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:18:06,581 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2020-10-24 00:18:07,044 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-10-24 00:18:07,278 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-10-24 00:18:10,969 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-10-24 00:18:13,956 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2020-10-24 00:18:14,844 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-10-24 00:18:17,211 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-10-24 00:18:17,383 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-10-24 00:18:17,764 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 281 [2020-10-24 00:18:18,126 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 284 [2020-10-24 00:18:18,435 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-10-24 00:18:19,428 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 276 [2020-10-24 00:18:25,517 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 275 DAG size of output: 50 [2020-10-24 00:18:26,070 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-10-24 00:18:28,677 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 243 DAG size of output: 41 [2020-10-24 00:18:29,892 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 201 DAG size of output: 50 [2020-10-24 00:18:30,513 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 28 [2020-10-24 00:18:30,930 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-24 00:18:33,692 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 247 DAG size of output: 39 [2020-10-24 00:18:34,786 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-10-24 00:18:41,047 WARN L193 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 484 DAG size of output: 48 [2020-10-24 00:18:43,614 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 243 DAG size of output: 41 [2020-10-24 00:18:44,642 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-10-24 00:18:48,413 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 287 DAG size of output: 51 [2020-10-24 00:18:51,987 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 374 DAG size of output: 50 [2020-10-24 00:18:54,612 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 244 DAG size of output: 47 [2020-10-24 00:18:57,644 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 306 DAG size of output: 50 [2020-10-24 00:19:01,579 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 262 DAG size of output: 50 [2020-10-24 00:19:04,566 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 180 DAG size of output: 38 [2020-10-24 00:19:05,258 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:19:05,551 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-10-24 00:19:07,177 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 420 DAG size of output: 1 [2020-10-24 00:19:09,237 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 239 DAG size of output: 49 [2020-10-24 00:19:13,065 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 256 DAG size of output: 46 [2020-10-24 00:19:13,934 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 22 [2020-10-24 00:19:16,102 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 264 DAG size of output: 49 [2020-10-24 00:19:22,812 WARN L193 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 495 DAG size of output: 56 [2020-10-24 00:19:25,646 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 177 DAG size of output: 35 [2020-10-24 00:19:27,458 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 252 DAG size of output: 41 [2020-10-24 00:19:27,838 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-24 00:19:28,374 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-10-24 00:19:31,792 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 269 DAG size of output: 43 [2020-10-24 00:19:34,698 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 177 DAG size of output: 35 [2020-10-24 00:19:34,894 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-10-24 00:19:39,972 WARN L193 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 248 DAG size of output: 48 [2020-10-24 00:19:41,654 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 420 DAG size of output: 1 [2020-10-24 00:19:43,108 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 263 DAG size of output: 41 [2020-10-24 00:19:43,424 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:19:43,755 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-10-24 00:19:46,397 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 307 DAG size of output: 50 [2020-10-24 00:19:49,321 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 180 DAG size of output: 38 [2020-10-24 00:19:51,430 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 263 DAG size of output: 79 [2020-10-24 00:19:52,675 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 236 DAG size of output: 38 [2020-10-24 00:19:53,856 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 201 DAG size of output: 50 [2020-10-24 00:19:54,387 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-10-24 00:19:57,010 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 230 DAG size of output: 42 [2020-10-24 00:19:59,259 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 255 DAG size of output: 76 [2020-10-24 00:20:00,575 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 236 DAG size of output: 39 [2020-10-24 00:20:01,008 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-24 00:20:04,861 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 391 DAG size of output: 50 [2020-10-24 00:20:07,873 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 180 DAG size of output: 36 [2020-10-24 00:20:09,458 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-10-24 00:20:09,835 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-10-24 00:20:13,940 WARN L193 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:20:15,212 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 260 DAG size of output: 42 [2020-10-24 00:20:17,851 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 247 DAG size of output: 46 [2020-10-24 00:20:21,806 WARN L193 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:20:22,507 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:20:23,198 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:20:25,132 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 233 DAG size of output: 41 [2020-10-24 00:20:25,407 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-10-24 00:20:28,895 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 271 DAG size of output: 47 [2020-10-24 00:20:31,061 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 264 DAG size of output: 49 [2020-10-24 00:20:31,345 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-10-24 00:20:31,886 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-10-24 00:20:36,748 WARN L193 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 275 DAG size of output: 50 [2020-10-24 00:20:39,670 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 234 DAG size of output: 49 [2020-10-24 00:20:40,997 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 260 DAG size of output: 42 [2020-10-24 00:20:43,221 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 249 DAG size of output: 53 [2020-10-24 00:20:44,986 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 241 DAG size of output: 47 [2020-10-24 00:20:50,744 WARN L193 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 425 DAG size of output: 64 [2020-10-24 00:20:54,855 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:20:57,956 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 177 DAG size of output: 35 [2020-10-24 00:21:02,344 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 278 DAG size of output: 48 [2020-10-24 00:21:02,809 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-24 00:21:05,801 WARN L193 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2020-10-24 00:21:06,891 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-10-24 00:21:11,001 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:21:15,174 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:21:17,745 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 303 DAG size of output: 71 [2020-10-24 00:21:21,410 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 268 DAG size of output: 47 [2020-10-24 00:21:25,091 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 374 DAG size of output: 50 [2020-10-24 00:21:28,951 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 287 DAG size of output: 51 [2020-10-24 00:21:30,800 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 227 DAG size of output: 20 [2020-10-24 00:21:32,326 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 218 DAG size of output: 47 [2020-10-24 00:21:32,624 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-10-24 00:21:36,312 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 374 DAG size of output: 50 [2020-10-24 00:21:36,897 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-10-24 00:21:37,269 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-10-24 00:21:40,472 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 180 DAG size of output: 36 [2020-10-24 00:21:40,837 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-10-24 00:21:45,539 WARN L193 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 244 DAG size of output: 48 [2020-10-24 00:21:45,893 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-10-24 00:21:50,304 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 278 DAG size of output: 48 [2020-10-24 00:21:50,655 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-10-24 00:21:51,742 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-10-24 00:21:54,312 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 303 DAG size of output: 71 [2020-10-24 00:21:57,602 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 321 DAG size of output: 47 [2020-10-24 00:21:59,830 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 249 DAG size of output: 53 [2020-10-24 00:22:01,986 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 279 DAG size of output: 72 [2020-10-24 00:22:02,292 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-10-24 00:22:05,472 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 180 DAG size of output: 38 [2020-10-24 00:22:07,524 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 229 DAG size of output: 30 [2020-10-24 00:22:07,893 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:22:11,564 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 269 DAG size of output: 43 [2020-10-24 00:22:14,232 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 243 DAG size of output: 34 [2020-10-24 00:22:17,160 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 287 DAG size of output: 40 [2020-10-24 00:22:18,956 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 246 DAG size of output: 35 [2020-10-24 00:22:21,170 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 229 DAG size of output: 37 [2020-10-24 00:22:24,132 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 247 DAG size of output: 53 [2020-10-24 00:22:27,561 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 242 DAG size of output: 47 [2020-10-24 00:22:30,982 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 242 DAG size of output: 47 [2020-10-24 00:22:34,245 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 239 DAG size of output: 45 [2020-10-24 00:22:34,540 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-10-24 00:22:34,752 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-10-24 00:22:38,919 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:22:40,020 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-10-24 00:22:40,360 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:22:41,465 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-10-24 00:22:47,763 WARN L193 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 406 DAG size of output: 57 [2020-10-24 00:22:48,062 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-10-24 00:22:52,126 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 259 DAG size of output: 46 [2020-10-24 00:22:53,450 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 265 DAG size of output: 44 [2020-10-24 00:22:53,788 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:22:57,931 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:22:58,679 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:23:04,979 WARN L193 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 406 DAG size of output: 57 [2020-10-24 00:23:09,167 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:23:13,438 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 262 DAG size of output: 50 [2020-10-24 00:23:16,294 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 247 DAG size of output: 46 [2020-10-24 00:23:18,583 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 249 DAG size of output: 42 [2020-10-24 00:23:23,938 WARN L193 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 48 [2020-10-24 00:23:28,061 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 259 DAG size of output: 46 [2020-10-24 00:23:31,808 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 310 DAG size of output: 40 [2020-10-24 00:23:35,877 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 262 DAG size of output: 52 [2020-10-24 00:23:37,732 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 261 DAG size of output: 71 [2020-10-24 00:23:38,137 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-10-24 00:23:38,495 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-10-24 00:23:39,074 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-10-24 00:23:39,480 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:23:44,583 WARN L193 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 344 DAG size of output: 48 [2020-10-24 00:23:48,803 WARN L193 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 241 DAG size of output: 48 [2020-10-24 00:23:49,185 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-10-24 00:23:52,893 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 374 DAG size of output: 50 [2020-10-24 00:23:53,356 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-10-24 00:23:54,102 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:23:59,620 WARN L193 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 412 DAG size of output: 53 [2020-10-24 00:24:03,779 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-10-24 00:24:03,918 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2020-10-24 00:24:04,249 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:24:06,620 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 255 DAG size of output: 76 [2020-10-24 00:24:06,957 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:24:07,701 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:24:10,410 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 231 DAG size of output: 44 [2020-10-24 00:24:10,762 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 18 [2020-10-24 00:24:13,671 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 237 DAG size of output: 52 [2020-10-24 00:24:16,467 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 234 DAG size of output: 49 [2020-10-24 00:24:19,226 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 234 DAG size of output: 49 [2020-10-24 00:24:22,199 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 303 DAG size of output: 42 [2020-10-24 00:24:25,212 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 271 DAG size of output: 44 [2020-10-24 00:24:28,059 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 177 DAG size of output: 35 [2020-10-24 00:24:29,902 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 252 DAG size of output: 41 [2020-10-24 00:24:33,005 WARN L193 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 273 DAG size of output: 49 [2020-10-24 00:24:33,136 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22