/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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:24:40,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:24:40,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:24:40,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:24:40,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:24:40,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:24:40,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:24:40,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:24:40,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:24:40,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:24:40,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:24:40,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:24:40,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:24:40,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:24:40,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:24:40,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:24:40,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:24:40,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:24:40,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:24:40,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:24:40,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:24:40,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:24:40,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:24:40,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:24:40,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:24:40,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:24:40,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:24:40,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:24:40,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:24:40,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:24:40,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:24:40,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:24:40,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:24:40,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:24:40,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:24:40,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:24:40,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:24:40,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:24:40,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:24:40,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:24:40,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:24:40,445 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 00:24:40,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:24:40,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:24:40,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:24:40,474 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:24:40,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:24:40,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:24:40,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:24:40,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:24:40,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:24:40,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:24:40,476 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:24:40,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:24:40,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:24:40,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:24:40,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:24:40,477 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:24:40,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:24:40,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:24:40,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:24:40,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:24:40,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:24:40,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:24:40,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:24:40,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:24:40,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:24:40,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:24:40,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:24:40,918 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:24:40,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-10-24 00:24:40,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656a7ef29/27a4a10f2d5640deb0ea24a308e04b4c/FLAGd76375b3c [2020-10-24 00:24:41,644 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:24:41,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-10-24 00:24:41,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656a7ef29/27a4a10f2d5640deb0ea24a308e04b4c/FLAGd76375b3c [2020-10-24 00:24:41,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656a7ef29/27a4a10f2d5640deb0ea24a308e04b4c [2020-10-24 00:24:41,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:24:41,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:24:41,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:24:41,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:24:41,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:24:41,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:24:41" (1/1) ... [2020-10-24 00:24:41,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24756e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:41, skipping insertion in model container [2020-10-24 00:24:41,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:24:41" (1/1) ... [2020-10-24 00:24:41,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:24:42,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:24:42,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:24:42,511 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:24:42,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:24:42,695 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:24:42,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42 WrapperNode [2020-10-24 00:24:42,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:24:42,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:24:42,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:24:42,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:24:42,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (1/1) ... [2020-10-24 00:24:42,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (1/1) ... [2020-10-24 00:24:42,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (1/1) ... [2020-10-24 00:24:42,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (1/1) ... [2020-10-24 00:24:42,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (1/1) ... [2020-10-24 00:24:42,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (1/1) ... [2020-10-24 00:24:42,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (1/1) ... [2020-10-24 00:24:42,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:24:42,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:24:42,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:24:42,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:24:42,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (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 00:24:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:24:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:24:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:24:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:24:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:24:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:24:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:24:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:24:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:24:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:24:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:24:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:24:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:24:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:24:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:24:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:24:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:24:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:24:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:24:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:24:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:24:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:24:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:24:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:24:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:24:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:24:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:24:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:24:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-24 00:24:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:24:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:24:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:24:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-24 00:24:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:24:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:24:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:24:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:24:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:24:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:24:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:24:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-24 00:24:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-24 00:24:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:24:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:24:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:24:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:24:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:24:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:24:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:24:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:24:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:24:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:24:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:24:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:24:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:24:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:24:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:24:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:24:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:24:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:24:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:24:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:24:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:24:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:24:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:24:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:24:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:24:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:24:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:24:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:24:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:24:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:24:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:24:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:24:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:24:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:24:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:24:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:24:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:24:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:24:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:24:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:24:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-24 00:24:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:24:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:24:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:24:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:24:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:24:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-24 00:24:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:24:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:24:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:24:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:24:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:24:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:24:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:24:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:24:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:24:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-24 00:24:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-24 00:24:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:24:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:24:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:24:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:24:44,133 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:24:44,133 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:24:44,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:24:44 BoogieIcfgContainer [2020-10-24 00:24:44,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:24:44,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:24:44,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:24:44,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:24:44,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:24:41" (1/3) ... [2020-10-24 00:24:44,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75508c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:24:44, skipping insertion in model container [2020-10-24 00:24:44,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:24:42" (2/3) ... [2020-10-24 00:24:44,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75508c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:24:44, skipping insertion in model container [2020-10-24 00:24:44,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:24:44" (3/3) ... [2020-10-24 00:24:44,146 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-10-24 00:24:44,158 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:24:44,164 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:24:44,177 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:24:44,205 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:24:44,206 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:24:44,206 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:24:44,206 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:24:44,206 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:24:44,206 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:24:44,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:24:44,206 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:24:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states. [2020-10-24 00:24:44,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:24:44,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:24:44,288 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 00:24:44,289 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 00:24:44,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:24:44,303 INFO L82 PathProgramCache]: Analyzing trace with hash 51112487, now seen corresponding path program 1 times [2020-10-24 00:24:44,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:24:44,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120922251] [2020-10-24 00:24:44,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:24:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,147 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:24:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:24:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:24:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:24:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:24:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:24:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:24:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:24:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:24:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:45,384 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 00:24:45,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120922251] [2020-10-24 00:24:45,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:24:45,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:24:45,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643942723] [2020-10-24 00:24:45,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:24:45,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:24:45,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:24:45,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:24:45,412 INFO L87 Difference]: Start difference. First operand 365 states. Second operand 4 states. [2020-10-24 00:24:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:24:47,351 INFO L93 Difference]: Finished difference Result 584 states and 686 transitions. [2020-10-24 00:24:47,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:24:47,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:24:47,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:24:47,380 INFO L225 Difference]: With dead ends: 584 [2020-10-24 00:24:47,381 INFO L226 Difference]: Without dead ends: 360 [2020-10-24 00:24:47,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:24:47,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-24 00:24:47,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 311. [2020-10-24 00:24:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-10-24 00:24:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 341 transitions. [2020-10-24 00:24:47,583 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 341 transitions. Word has length 166 [2020-10-24 00:24:47,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:24:47,584 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 341 transitions. [2020-10-24 00:24:47,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:24:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 341 transitions. [2020-10-24 00:24:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:24:47,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:24:47,589 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 00:24:47,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:24:47,590 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 00:24:47,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:24:47,590 INFO L82 PathProgramCache]: Analyzing trace with hash -712395353, now seen corresponding path program 1 times [2020-10-24 00:24:47,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:24:47,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743052554] [2020-10-24 00:24:47,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:24:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,041 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:24:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:24:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:24:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:24:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:24:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:24:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:24:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:24:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:24:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:48,220 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 00:24:48,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743052554] [2020-10-24 00:24:48,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:24:48,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:24:48,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057821277] [2020-10-24 00:24:48,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:24:48,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:24:48,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:24:48,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:24:48,226 INFO L87 Difference]: Start difference. First operand 311 states and 341 transitions. Second operand 5 states. [2020-10-24 00:24:49,096 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:24:50,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:24:50,688 INFO L93 Difference]: Finished difference Result 504 states and 570 transitions. [2020-10-24 00:24:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:24:50,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:24:50,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:24:50,695 INFO L225 Difference]: With dead ends: 504 [2020-10-24 00:24:50,695 INFO L226 Difference]: Without dead ends: 349 [2020-10-24 00:24:50,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:24:50,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-10-24 00:24:50,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 301. [2020-10-24 00:24:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-10-24 00:24:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 328 transitions. [2020-10-24 00:24:50,814 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 328 transitions. Word has length 167 [2020-10-24 00:24:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:24:50,815 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 328 transitions. [2020-10-24 00:24:50,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:24:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 328 transitions. [2020-10-24 00:24:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-24 00:24:50,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:24:50,818 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 00:24:50,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:24:50,819 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 00:24:50,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:24:50,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1255814183, now seen corresponding path program 1 times [2020-10-24 00:24:50,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:24:50,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41189430] [2020-10-24 00:24:50,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:24:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,313 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:24:51,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:24:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:24:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:24:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:24:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:24:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:24:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:24:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-24 00:24:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:51,591 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 00:24:51,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41189430] [2020-10-24 00:24:51,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:24:51,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:24:51,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21307791] [2020-10-24 00:24:51,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:24:51,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:24:51,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:24:51,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:24:51,599 INFO L87 Difference]: Start difference. First operand 301 states and 328 transitions. Second operand 10 states. [2020-10-24 00:24:52,347 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:24:52,808 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:53,247 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:24:53,650 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:24:54,051 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:24:54,427 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:24:55,828 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:24:58,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:24:58,851 INFO L93 Difference]: Finished difference Result 809 states and 931 transitions. [2020-10-24 00:24:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:24:58,852 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-24 00:24:58,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:24:58,858 INFO L225 Difference]: With dead ends: 809 [2020-10-24 00:24:58,859 INFO L226 Difference]: Without dead ends: 628 [2020-10-24 00:24:58,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:24:58,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-10-24 00:24:59,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 553. [2020-10-24 00:24:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-24 00:24:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 623 transitions. [2020-10-24 00:24:59,135 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 623 transitions. Word has length 176 [2020-10-24 00:24:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:24:59,136 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 623 transitions. [2020-10-24 00:24:59,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:24:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 623 transitions. [2020-10-24 00:24:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-24 00:24:59,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:24:59,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:24:59,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:24:59,141 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 00:24:59,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:24:59,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2108710426, now seen corresponding path program 1 times [2020-10-24 00:24:59,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:24:59,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250224583] [2020-10-24 00:24:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:24:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,573 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:24:59,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:24:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:24:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:24:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:24:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:24:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:24:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:24:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-24 00:24:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 00:24:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:59,758 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 00:24:59,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250224583] [2020-10-24 00:24:59,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:24:59,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:24:59,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696767130] [2020-10-24 00:24:59,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:24:59,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:24:59,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:24:59,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:24:59,762 INFO L87 Difference]: Start difference. First operand 553 states and 623 transitions. Second operand 10 states. [2020-10-24 00:25:00,391 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:01,434 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:01,840 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:25:03,173 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:03,589 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:04,020 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:04,568 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:04,967 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:25:05,349 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:06,494 INFO L93 Difference]: Finished difference Result 1259 states and 1508 transitions. [2020-10-24 00:25:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:25:06,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-10-24 00:25:06,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:06,505 INFO L225 Difference]: With dead ends: 1259 [2020-10-24 00:25:06,505 INFO L226 Difference]: Without dead ends: 826 [2020-10-24 00:25:06,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:25:06,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-10-24 00:25:06,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 737. [2020-10-24 00:25:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-10-24 00:25:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 833 transitions. [2020-10-24 00:25:06,872 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 833 transitions. Word has length 185 [2020-10-24 00:25:06,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:06,873 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 833 transitions. [2020-10-24 00:25:06,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:25:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 833 transitions. [2020-10-24 00:25:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-24 00:25:06,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:06,878 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 00:25:06,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:25:06,879 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 00:25:06,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:06,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1021879218, now seen corresponding path program 1 times [2020-10-24 00:25:06,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:06,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199302879] [2020-10-24 00:25:06,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,262 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:25:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:25:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-24 00:25:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-24 00:25:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,488 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 00:25:07,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199302879] [2020-10-24 00:25:07,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:07,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:25:07,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093834261] [2020-10-24 00:25:07,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:25:07,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:07,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:25:07,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:25:07,493 INFO L87 Difference]: Start difference. First operand 737 states and 833 transitions. Second operand 10 states. [2020-10-24 00:25:09,320 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:09,711 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:10,138 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:25:10,525 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:10,973 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:11,367 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:12,904 INFO L93 Difference]: Finished difference Result 1489 states and 1756 transitions. [2020-10-24 00:25:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:25:12,905 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 219 [2020-10-24 00:25:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:12,910 INFO L225 Difference]: With dead ends: 1489 [2020-10-24 00:25:12,910 INFO L226 Difference]: Without dead ends: 872 [2020-10-24 00:25:12,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:25:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-24 00:25:13,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 756. [2020-10-24 00:25:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-10-24 00:25:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 853 transitions. [2020-10-24 00:25:13,214 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 853 transitions. Word has length 219 [2020-10-24 00:25:13,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:13,215 INFO L481 AbstractCegarLoop]: Abstraction has 756 states and 853 transitions. [2020-10-24 00:25:13,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:25:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 853 transitions. [2020-10-24 00:25:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-24 00:25:13,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:13,219 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 00:25:13,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:25:13,219 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 00:25:13,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:13,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1340897262, now seen corresponding path program 1 times [2020-10-24 00:25:13,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:13,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [307533497] [2020-10-24 00:25:13,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,600 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:25:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:25:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-24 00:25:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-24 00:25:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:13,863 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 00:25:13,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [307533497] [2020-10-24 00:25:13,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:13,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-24 00:25:13,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634822442] [2020-10-24 00:25:13,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:25:13,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:13,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:25:13,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:25:13,868 INFO L87 Difference]: Start difference. First operand 756 states and 853 transitions. Second operand 13 states. [2020-10-24 00:25:14,641 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:15,030 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:15,414 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:15,798 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:16,161 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:17,473 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:17,860 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:18,301 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:18,720 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:19,100 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:20,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:20,764 INFO L93 Difference]: Finished difference Result 1530 states and 1823 transitions. [2020-10-24 00:25:20,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:25:20,773 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 219 [2020-10-24 00:25:20,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:20,780 INFO L225 Difference]: With dead ends: 1530 [2020-10-24 00:25:20,782 INFO L226 Difference]: Without dead ends: 894 [2020-10-24 00:25:20,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:25:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-24 00:25:21,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 768. [2020-10-24 00:25:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2020-10-24 00:25:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 865 transitions. [2020-10-24 00:25:21,108 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 865 transitions. Word has length 219 [2020-10-24 00:25:21,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:21,109 INFO L481 AbstractCegarLoop]: Abstraction has 768 states and 865 transitions. [2020-10-24 00:25:21,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:25:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 865 transitions. [2020-10-24 00:25:21,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-24 00:25:21,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:21,113 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 00:25:21,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:25:21,114 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 00:25:21,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:21,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1041496047, now seen corresponding path program 1 times [2020-10-24 00:25:21,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:21,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516609935] [2020-10-24 00:25:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,495 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:21,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:25:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:25:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-24 00:25:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-24 00:25:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:21,717 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 00:25:21,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516609935] [2020-10-24 00:25:21,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:21,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 00:25:21,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628935016] [2020-10-24 00:25:21,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:25:21,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:21,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:25:21,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:25:21,719 INFO L87 Difference]: Start difference. First operand 768 states and 865 transitions. Second operand 7 states. [2020-10-24 00:25:22,366 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:23,149 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:26,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:26,130 INFO L93 Difference]: Finished difference Result 2237 states and 2682 transitions. [2020-10-24 00:25:26,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:25:26,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 219 [2020-10-24 00:25:26,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:26,142 INFO L225 Difference]: With dead ends: 2237 [2020-10-24 00:25:26,142 INFO L226 Difference]: Without dead ends: 1589 [2020-10-24 00:25:26,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:25:26,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2020-10-24 00:25:26,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1464. [2020-10-24 00:25:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2020-10-24 00:25:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1676 transitions. [2020-10-24 00:25:26,713 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1676 transitions. Word has length 219 [2020-10-24 00:25:26,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:26,714 INFO L481 AbstractCegarLoop]: Abstraction has 1464 states and 1676 transitions. [2020-10-24 00:25:26,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:25:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1676 transitions. [2020-10-24 00:25:26,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-24 00:25:26,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:26,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:25:26,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:25:26,720 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 00:25:26,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:26,720 INFO L82 PathProgramCache]: Analyzing trace with hash -101376324, now seen corresponding path program 1 times [2020-10-24 00:25:26,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:26,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492554724] [2020-10-24 00:25:26,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,184 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:27,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:25:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-24 00:25:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-24 00:25:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-24 00:25:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-24 00:25:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:27,481 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 00:25:27,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492554724] [2020-10-24 00:25:27,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:27,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:25:27,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374696051] [2020-10-24 00:25:27,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:25:27,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:27,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:25:27,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:25:27,483 INFO L87 Difference]: Start difference. First operand 1464 states and 1676 transitions. Second operand 14 states. [2020-10-24 00:25:28,548 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:25:29,597 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:31,158 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:25:31,927 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:25:32,412 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:32,864 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:25:33,626 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:25:34,032 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:34,503 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:25:34,910 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:38,488 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:25:39,189 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:39,581 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:40,292 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:41,768 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:25:42,539 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:25:43,312 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:25:44,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:44,501 INFO L93 Difference]: Finished difference Result 4254 states and 5122 transitions. [2020-10-24 00:25:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-24 00:25:44,502 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 224 [2020-10-24 00:25:44,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:44,520 INFO L225 Difference]: With dead ends: 4254 [2020-10-24 00:25:44,520 INFO L226 Difference]: Without dead ends: 3197 [2020-10-24 00:25:44,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=510, Invalid=1940, Unknown=0, NotChecked=0, Total=2450 [2020-10-24 00:25:44,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2020-10-24 00:25:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 2755. [2020-10-24 00:25:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2020-10-24 00:25:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3131 transitions. [2020-10-24 00:25:45,907 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3131 transitions. Word has length 224 [2020-10-24 00:25:45,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:45,908 INFO L481 AbstractCegarLoop]: Abstraction has 2755 states and 3131 transitions. [2020-10-24 00:25:45,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:25:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3131 transitions. [2020-10-24 00:25:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-24 00:25:45,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:45,917 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:25:45,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:25:45,918 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 00:25:45,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:45,918 INFO L82 PathProgramCache]: Analyzing trace with hash 385744977, now seen corresponding path program 1 times [2020-10-24 00:25:45,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:45,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173817304] [2020-10-24 00:25:45,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,354 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:46,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:25:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:25:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:25:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:25:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-24 00:25:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-24 00:25:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-24 00:25:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:25:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:25:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:25:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-10-24 00:25:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-24 00:25:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-24 00:25:46,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173817304] [2020-10-24 00:25:46,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:25:46,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:25:46,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036714407] [2020-10-24 00:25:46,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:25:46,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:46,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:25:46,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:25:46,896 INFO L87 Difference]: Start difference. First operand 2755 states and 3131 transitions. Second operand 18 states. [2020-10-24 00:25:47,828 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:48,267 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:48,662 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:49,063 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:49,446 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:50,550 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:25:51,016 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:25:51,510 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:25:51,999 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:25:52,517 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:53,183 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:25:53,642 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:25:54,100 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:25:56,028 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:57,379 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:25:58,159 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:25:58,936 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:25:59,608 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:00,541 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:01,301 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:26:01,782 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:26:02,780 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-24 00:26:03,430 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:04,307 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:26:05,147 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:26:06,307 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:26:07,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:26:07,829 INFO L93 Difference]: Finished difference Result 5806 states and 6729 transitions. [2020-10-24 00:26:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-24 00:26:07,830 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 334 [2020-10-24 00:26:07,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:26:07,849 INFO L225 Difference]: With dead ends: 5806 [2020-10-24 00:26:07,849 INFO L226 Difference]: Without dead ends: 3443 [2020-10-24 00:26:07,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1410 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=934, Invalid=4322, Unknown=0, NotChecked=0, Total=5256 [2020-10-24 00:26:07,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2020-10-24 00:26:09,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3155. [2020-10-24 00:26:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3155 states. [2020-10-24 00:26:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 3516 transitions. [2020-10-24 00:26:09,311 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 3516 transitions. Word has length 334 [2020-10-24 00:26:09,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:26:09,312 INFO L481 AbstractCegarLoop]: Abstraction has 3155 states and 3516 transitions. [2020-10-24 00:26:09,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:26:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 3516 transitions. [2020-10-24 00:26:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-10-24 00:26:09,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:26:09,325 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:26:09,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:26:09,325 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 00:26:09,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:26:09,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2071587436, now seen corresponding path program 1 times [2020-10-24 00:26:09,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:26:09,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456043476] [2020-10-24 00:26:09,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:26:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,767 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:26:09,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:26:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:26:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:26:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:26:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:26:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:26:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:26:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:26:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:26:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:26:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:26:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:26:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:26:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:26:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-10-24 00:26:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:26:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:26:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:26:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-10-24 00:26:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-10-24 00:26:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-10-24 00:26:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2020-10-24 00:26:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-10-24 00:26:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-10-24 00:26:10,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456043476] [2020-10-24 00:26:10,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:26:10,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-24 00:26:10,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838818838] [2020-10-24 00:26:10,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-24 00:26:10,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:26:10,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-24 00:26:10,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:26:10,507 INFO L87 Difference]: Start difference. First operand 3155 states and 3516 transitions. Second operand 16 states. [2020-10-24 00:26:11,247 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:26:12,536 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:16,972 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:17,442 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:17,885 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:18,317 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:18,738 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:19,163 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:26:19,564 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:20,005 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:20,430 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:20,906 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:21,333 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:26:21,747 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:22,551 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 213 [2020-10-24 00:26:22,975 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:26:23,740 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-24 00:26:24,175 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:24,671 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:26:25,096 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:26:28,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:26:28,608 INFO L93 Difference]: Finished difference Result 9293 states and 10534 transitions. [2020-10-24 00:26:28,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-24 00:26:28,615 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 505 [2020-10-24 00:26:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:26:28,651 INFO L225 Difference]: With dead ends: 9293 [2020-10-24 00:26:28,651 INFO L226 Difference]: Without dead ends: 6271 [2020-10-24 00:26:28,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=518, Invalid=2134, Unknown=0, NotChecked=0, Total=2652 [2020-10-24 00:26:28,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6271 states. [2020-10-24 00:26:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6271 to 6101. [2020-10-24 00:26:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6101 states. [2020-10-24 00:26:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 6746 transitions. [2020-10-24 00:26:31,464 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 6746 transitions. Word has length 505 [2020-10-24 00:26:31,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:26:31,465 INFO L481 AbstractCegarLoop]: Abstraction has 6101 states and 6746 transitions. [2020-10-24 00:26:31,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-24 00:26:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 6746 transitions. [2020-10-24 00:26:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2020-10-24 00:26:31,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:26:31,485 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:26:31,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:26:31,486 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 00:26:31,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:26:31,486 INFO L82 PathProgramCache]: Analyzing trace with hash -386886189, now seen corresponding path program 1 times [2020-10-24 00:26:31,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:26:31,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754861579] [2020-10-24 00:26:31,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:26:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:31,921 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:26:31,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:31,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:26:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:31,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:26:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:31,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:26:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:31,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:26:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:26:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:26:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:26:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:26:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:26:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:26:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-24 00:26:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:26:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:26:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:26:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:26:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:26:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:26:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:26:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:26:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-10-24 00:26:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-10-24 00:26:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:26:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-10-24 00:26:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-10-24 00:26:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 112 proven. 20 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-24 00:26:32,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754861579] [2020-10-24 00:26:32,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:26:32,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-24 00:26:32,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814405165] [2020-10-24 00:26:32,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 00:26:32,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:26:32,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 00:26:32,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-10-24 00:26:32,875 INFO L87 Difference]: Start difference. First operand 6101 states and 6746 transitions. Second operand 22 states. [2020-10-24 00:26:33,665 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:26:34,215 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:34,628 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:26:35,037 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:35,443 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:26:35,910 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:37,065 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:26:42,229 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:42,658 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:43,112 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:43,540 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:43,958 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:44,447 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:44,850 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:45,279 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:45,699 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:46,178 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:46,598 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:47,034 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:47,824 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:26:48,629 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:26:49,391 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:26:53,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:26:53,049 INFO L93 Difference]: Finished difference Result 11904 states and 13527 transitions. [2020-10-24 00:26:53,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-24 00:26:53,050 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 510 [2020-10-24 00:26:53,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:26:53,087 INFO L225 Difference]: With dead ends: 11904 [2020-10-24 00:26:53,087 INFO L226 Difference]: Without dead ends: 6508 [2020-10-24 00:26:53,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=902, Invalid=3928, Unknown=0, NotChecked=0, Total=4830 [2020-10-24 00:26:53,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6508 states. [2020-10-24 00:26:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6508 to 5621. [2020-10-24 00:26:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5621 states. [2020-10-24 00:26:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5621 states to 5621 states and 6208 transitions. [2020-10-24 00:26:55,336 INFO L78 Accepts]: Start accepts. Automaton has 5621 states and 6208 transitions. Word has length 510 [2020-10-24 00:26:55,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:26:55,337 INFO L481 AbstractCegarLoop]: Abstraction has 5621 states and 6208 transitions. [2020-10-24 00:26:55,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 00:26:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5621 states and 6208 transitions. [2020-10-24 00:26:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2020-10-24 00:26:55,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:26:55,355 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:26:55,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:26:55,355 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 00:26:55,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:26:55,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1377828135, now seen corresponding path program 1 times [2020-10-24 00:26:55,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:26:55,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019465624] [2020-10-24 00:26:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:26:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,846 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:26:55,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:26:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:26:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:26:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:26:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:26:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:26:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:26:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:26:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:55,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:26:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:26:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:26:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:26:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:26:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:26:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:26:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:26:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:26:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:26:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:26:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-10-24 00:26:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-24 00:26:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-10-24 00:26:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-10-24 00:26:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-10-24 00:26:56,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019465624] [2020-10-24 00:26:56,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:26:56,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:26:56,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834588250] [2020-10-24 00:26:56,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:26:56,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:26:56,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:26:56,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:26:56,510 INFO L87 Difference]: Start difference. First operand 5621 states and 6208 transitions. Second operand 17 states. [2020-10-24 00:26:58,639 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:59,107 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:59,540 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:59,986 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:00,392 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:00,788 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:02,700 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:03,140 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:09,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:27:09,931 INFO L93 Difference]: Finished difference Result 16457 states and 19239 transitions. [2020-10-24 00:27:09,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-24 00:27:09,932 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 506 [2020-10-24 00:27:09,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:27:09,985 INFO L225 Difference]: With dead ends: 16457 [2020-10-24 00:27:09,986 INFO L226 Difference]: Without dead ends: 9887 [2020-10-24 00:27:10,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 118 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-10-24 00:27:10,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9887 states. [2020-10-24 00:27:13,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9887 to 7505. [2020-10-24 00:27:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7505 states. [2020-10-24 00:27:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7505 states to 7505 states and 8432 transitions. [2020-10-24 00:27:13,355 INFO L78 Accepts]: Start accepts. Automaton has 7505 states and 8432 transitions. Word has length 506 [2020-10-24 00:27:13,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:27:13,356 INFO L481 AbstractCegarLoop]: Abstraction has 7505 states and 8432 transitions. [2020-10-24 00:27:13,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:27:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 7505 states and 8432 transitions. [2020-10-24 00:27:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2020-10-24 00:27:13,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:27:13,376 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:27:13,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:27:13,377 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 00:27:13,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:27:13,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1025105152, now seen corresponding path program 1 times [2020-10-24 00:27:13,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:27:13,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384453225] [2020-10-24 00:27:13,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:27:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,795 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:27:13,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:27:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:27:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:27:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:27:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:27:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:27:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:27:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:27:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:27:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:13,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:27:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:27:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:27:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:27:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-24 00:27:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-10-24 00:27:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:27:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:27:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:27:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-10-24 00:27:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-10-24 00:27:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-10-24 00:27:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:14,441 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 128 proven. 45 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-10-24 00:27:14,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384453225] [2020-10-24 00:27:14,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:27:14,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:27:14,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081479814] [2020-10-24 00:27:14,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:27:14,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:27:14,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:27:14,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:27:14,448 INFO L87 Difference]: Start difference. First operand 7505 states and 8432 transitions. Second operand 19 states. [2020-10-24 00:27:15,203 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:15,736 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:16,155 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:27:16,687 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:17,136 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:27:17,567 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:18,757 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:19,246 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:21,277 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:21,919 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:22,446 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:22,843 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:23,682 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:24,116 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:26,116 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:26,527 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:26,914 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:30,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:27:30,259 INFO L93 Difference]: Finished difference Result 15395 states and 17844 transitions. [2020-10-24 00:27:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-24 00:27:30,260 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 516 [2020-10-24 00:27:30,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:27:30,296 INFO L225 Difference]: With dead ends: 15395 [2020-10-24 00:27:30,297 INFO L226 Difference]: Without dead ends: 8595 [2020-10-24 00:27:30,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=660, Invalid=2646, Unknown=0, NotChecked=0, Total=3306 [2020-10-24 00:27:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8595 states. [2020-10-24 00:27:33,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8595 to 7317. [2020-10-24 00:27:33,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7317 states. [2020-10-24 00:27:33,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7317 states to 7317 states and 8170 transitions. [2020-10-24 00:27:33,588 INFO L78 Accepts]: Start accepts. Automaton has 7317 states and 8170 transitions. Word has length 516 [2020-10-24 00:27:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:27:33,589 INFO L481 AbstractCegarLoop]: Abstraction has 7317 states and 8170 transitions. [2020-10-24 00:27:33,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:27:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 7317 states and 8170 transitions. [2020-10-24 00:27:33,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2020-10-24 00:27:33,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:27:33,610 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:27:33,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:27:33,610 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 00:27:33,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:27:33,611 INFO L82 PathProgramCache]: Analyzing trace with hash 2017965333, now seen corresponding path program 1 times [2020-10-24 00:27:33,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:27:33,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643016052] [2020-10-24 00:27:33,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:27:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,023 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:27:34,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:27:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:27:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:27:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:27:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:27:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:27:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:27:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:27:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:27:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:27:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:27:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:27:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:27:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-10-24 00:27:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-10-24 00:27:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:27:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:27:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-10-24 00:27:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-10-24 00:27:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-10-24 00:27:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-10-24 00:27:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2020-10-24 00:27:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 139 proven. 36 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-10-24 00:27:34,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643016052] [2020-10-24 00:27:34,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:27:34,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:27:34,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35306439] [2020-10-24 00:27:34,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:27:34,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:27:34,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:27:34,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:27:34,829 INFO L87 Difference]: Start difference. First operand 7317 states and 8170 transitions. Second operand 18 states. [2020-10-24 00:27:35,573 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:37,617 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:38,049 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:38,837 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:27:39,254 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:27:40,045 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:27:40,461 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:41,203 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:27:41,650 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:42,113 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:42,582 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:42,972 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:45,074 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:45,497 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:53,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:27:53,965 INFO L93 Difference]: Finished difference Result 15876 states and 18618 transitions. [2020-10-24 00:27:53,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-24 00:27:53,966 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 521 [2020-10-24 00:27:53,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:27:54,008 INFO L225 Difference]: With dead ends: 15876 [2020-10-24 00:27:54,008 INFO L226 Difference]: Without dead ends: 11392 [2020-10-24 00:27:54,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 134 SyntacticMatches, 8 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1234 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=769, Invalid=3391, Unknown=0, NotChecked=0, Total=4160 [2020-10-24 00:27:54,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11392 states. [2020-10-24 00:27:57,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11392 to 8895. [2020-10-24 00:27:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8895 states. [2020-10-24 00:27:57,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8895 states to 8895 states and 9892 transitions. [2020-10-24 00:27:57,786 INFO L78 Accepts]: Start accepts. Automaton has 8895 states and 9892 transitions. Word has length 521 [2020-10-24 00:27:57,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:27:57,787 INFO L481 AbstractCegarLoop]: Abstraction has 8895 states and 9892 transitions. [2020-10-24 00:27:57,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:27:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 8895 states and 9892 transitions. [2020-10-24 00:27:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-10-24 00:27:57,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:27:57,801 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:27:57,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:27:57,802 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 00:27:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:27:57,802 INFO L82 PathProgramCache]: Analyzing trace with hash 811731381, now seen corresponding path program 1 times [2020-10-24 00:27:57,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:27:57,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671480999] [2020-10-24 00:27:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:27:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,237 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:27:58,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:27:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:27:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:27:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:27:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:27:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:27:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:27:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:27:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:27:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:27:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:27:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:27:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:27:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-10-24 00:27:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-10-24 00:27:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:27:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:27:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:27:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-10-24 00:27:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-10-24 00:27:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-10-24 00:27:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-10-24 00:27:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-10-24 00:27:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 133 proven. 64 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-10-24 00:27:58,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671480999] [2020-10-24 00:27:58,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:27:58,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:27:58,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451417945] [2020-10-24 00:27:58,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:27:58,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:27:58,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:27:58,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:27:58,958 INFO L87 Difference]: Start difference. First operand 8895 states and 9892 transitions. Second operand 18 states. [2020-10-24 00:27:59,820 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:01,945 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:02,379 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:03,179 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:28:03,595 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:28:04,407 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:28:04,783 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:05,187 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:28:05,946 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:28:06,423 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:28:06,936 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:28:07,368 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:28:07,844 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:09,635 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:10,091 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:10,930 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:28:11,782 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:28:12,602 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:28:13,293 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:13,733 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:18,215 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:19,386 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:19,834 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:20,717 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:28:21,541 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:28:22,306 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:28:33,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:28:33,439 INFO L93 Difference]: Finished difference Result 21014 states and 24794 transitions. [2020-10-24 00:28:33,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-10-24 00:28:33,440 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 532 [2020-10-24 00:28:33,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:28:33,504 INFO L225 Difference]: With dead ends: 21014 [2020-10-24 00:28:33,504 INFO L226 Difference]: Without dead ends: 15638 [2020-10-24 00:28:33,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 158 SyntacticMatches, 7 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3286 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=1616, Invalid=7890, Unknown=0, NotChecked=0, Total=9506 [2020-10-24 00:28:33,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15638 states. [2020-10-24 00:28:38,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15638 to 11095. [2020-10-24 00:28:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11095 states. [2020-10-24 00:28:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11095 states to 11095 states and 12290 transitions. [2020-10-24 00:28:38,443 INFO L78 Accepts]: Start accepts. Automaton has 11095 states and 12290 transitions. Word has length 532 [2020-10-24 00:28:38,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:28:38,444 INFO L481 AbstractCegarLoop]: Abstraction has 11095 states and 12290 transitions. [2020-10-24 00:28:38,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:28:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 11095 states and 12290 transitions. [2020-10-24 00:28:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2020-10-24 00:28:38,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:28:38,467 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:28:38,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:28:38,467 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 00:28:38,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:28:38,468 INFO L82 PathProgramCache]: Analyzing trace with hash -470165094, now seen corresponding path program 1 times [2020-10-24 00:28:38,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:28:38,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742088052] [2020-10-24 00:28:38,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:28:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,899 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:28:38,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:28:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:28:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:28:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:28:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:28:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:28:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:28:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:28:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:38,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:28:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:28:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:28:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:28:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:28:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-10-24 00:28:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-10-24 00:28:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:28:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:28:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-10-24 00:28:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-10-24 00:28:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-10-24 00:28:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:28:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-24 00:28:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-10-24 00:28:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-10-24 00:28:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-10-24 00:28:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2020-10-24 00:28:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2020-10-24 00:28:39,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742088052] [2020-10-24 00:28:39,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:28:39,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 00:28:39,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330387083] [2020-10-24 00:28:39,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:28:39,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:28:39,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:28:39,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:28:39,412 INFO L87 Difference]: Start difference. First operand 11095 states and 12290 transitions. Second operand 10 states. [2020-10-24 00:28:40,762 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:46,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:28:46,076 INFO L93 Difference]: Finished difference Result 13765 states and 15675 transitions. [2020-10-24 00:28:46,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-24 00:28:46,076 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 602 [2020-10-24 00:28:46,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:28:46,098 INFO L225 Difference]: With dead ends: 13765 [2020-10-24 00:28:46,098 INFO L226 Difference]: Without dead ends: 5545 [2020-10-24 00:28:46,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=267, Invalid=789, Unknown=0, NotChecked=0, Total=1056 [2020-10-24 00:28:46,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5545 states. [2020-10-24 00:28:48,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5545 to 4726. [2020-10-24 00:28:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4726 states. [2020-10-24 00:28:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4726 states to 4726 states and 5116 transitions. [2020-10-24 00:28:48,311 INFO L78 Accepts]: Start accepts. Automaton has 4726 states and 5116 transitions. Word has length 602 [2020-10-24 00:28:48,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:28:48,312 INFO L481 AbstractCegarLoop]: Abstraction has 4726 states and 5116 transitions. [2020-10-24 00:28:48,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:28:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 4726 states and 5116 transitions. [2020-10-24 00:28:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-10-24 00:28:48,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:28:48,327 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:28:48,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:28:48,328 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 00:28:48,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:28:48,328 INFO L82 PathProgramCache]: Analyzing trace with hash -378110991, now seen corresponding path program 1 times [2020-10-24 00:28:48,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:28:48,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619429029] [2020-10-24 00:28:48,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:28:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,793 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:28:48,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:28:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:28:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:28:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:28:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:28:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:28:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:28:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:28:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:28:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:28:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:48,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:28:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:28:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:28:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-10-24 00:28:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-10-24 00:28:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:28:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:28:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-10-24 00:28:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-10-24 00:28:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:28:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-24 00:28:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-10-24 00:28:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-10-24 00:28:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2020-10-24 00:28:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2020-10-24 00:28:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2020-10-24 00:28:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 174 proven. 87 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2020-10-24 00:28:49,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619429029] [2020-10-24 00:28:49,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:28:49,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:28:49,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684622278] [2020-10-24 00:28:49,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:28:49,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:28:49,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:28:49,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:28:49,488 INFO L87 Difference]: Start difference. First operand 4726 states and 5116 transitions. Second operand 17 states. [2020-10-24 00:28:50,792 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:51,974 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:55,490 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:28:56,061 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-24 00:28:56,485 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:56,926 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:57,346 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:58,133 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:29:03,103 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:29:03,603 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:29:04,169 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:29:04,652 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:29:05,095 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:29:07,092 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-24 00:29:07,917 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:29:09,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:09,946 INFO L93 Difference]: Finished difference Result 13101 states and 14847 transitions. [2020-10-24 00:29:09,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-24 00:29:09,947 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 635 [2020-10-24 00:29:09,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:09,978 INFO L225 Difference]: With dead ends: 13101 [2020-10-24 00:29:09,978 INFO L226 Difference]: Without dead ends: 8370 [2020-10-24 00:29:09,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 159 SyntacticMatches, 10 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1209 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=996, Invalid=3560, Unknown=0, NotChecked=0, Total=4556 [2020-10-24 00:29:09,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8370 states. [2020-10-24 00:29:12,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8370 to 6277. [2020-10-24 00:29:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6277 states. [2020-10-24 00:29:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 6762 transitions. [2020-10-24 00:29:12,922 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 6762 transitions. Word has length 635 [2020-10-24 00:29:12,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:12,922 INFO L481 AbstractCegarLoop]: Abstraction has 6277 states and 6762 transitions. [2020-10-24 00:29:12,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:29:12,923 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 6762 transitions. [2020-10-24 00:29:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-10-24 00:29:12,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:12,937 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:12,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:29:12,937 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 00:29:12,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:12,938 INFO L82 PathProgramCache]: Analyzing trace with hash -2098385839, now seen corresponding path program 1 times [2020-10-24 00:29:12,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:12,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608246173] [2020-10-24 00:29:12,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,403 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:29:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:29:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:29:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:29:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:29:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:29:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-10-24 00:29:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-10-24 00:29:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:29:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:29:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-10-24 00:29:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-10-24 00:29:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:29:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-24 00:29:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-10-24 00:29:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-10-24 00:29:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2020-10-24 00:29:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2020-10-24 00:29:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:13,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2020-10-24 00:29:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2020-10-24 00:29:14,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608246173] [2020-10-24 00:29:14,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:29:14,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:29:14,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504454564] [2020-10-24 00:29:14,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:29:14,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:14,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:29:14,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:29:14,011 INFO L87 Difference]: Start difference. First operand 6277 states and 6762 transitions. Second operand 17 states. [2020-10-24 00:29:15,062 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:29:15,553 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:29:16,037 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:16,486 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:16,899 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:20,581 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:21,005 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:21,404 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:29:21,831 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:22,270 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:22,688 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:23,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:23,377 INFO L93 Difference]: Finished difference Result 7250 states and 7836 transitions. [2020-10-24 00:29:23,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-24 00:29:23,378 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 635 [2020-10-24 00:29:23,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:23,382 INFO L225 Difference]: With dead ends: 7250 [2020-10-24 00:29:23,382 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:29:23,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2020-10-24 00:29:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:29:23,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:29:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:29:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:29:23,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 635 [2020-10-24 00:29:23,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:23,393 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:29:23,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:29:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:29:23,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:29:23,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:29:23,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:29:23,739 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-10-24 00:29:23,894 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2020-10-24 00:29:24,154 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-10-24 00:29:24,680 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 217 [2020-10-24 00:29:24,911 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:29:25,041 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-10-24 00:29:26,770 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 265 [2020-10-24 00:29:27,423 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 236 [2020-10-24 00:29:27,602 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 236 [2020-10-24 00:29:27,811 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-24 00:29:27,977 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 241 [2020-10-24 00:29:28,133 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 262 [2020-10-24 00:29:28,962 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-10-24 00:29:29,321 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 266 [2020-10-24 00:29:29,569 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 262 [2020-10-24 00:29:29,813 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2020-10-24 00:29:30,005 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 236 [2020-10-24 00:29:30,294 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 261 [2020-10-24 00:29:30,502 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 241 [2020-10-24 00:29:30,772 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 236 [2020-10-24 00:29:31,369 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-10-24 00:29:31,535 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 264 [2020-10-24 00:29:31,804 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 261 [2020-10-24 00:29:32,220 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 241 [2020-10-24 00:29:32,462 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-24 00:29:32,666 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2020-10-24 00:29:32,899 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-10-24 00:29:33,484 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-10-24 00:29:33,768 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 236 [2020-10-24 00:29:38,629 WARN L193 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 858 DAG size of output: 621 [2020-10-24 00:29:42,971 WARN L193 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 858 DAG size of output: 621 [2020-10-24 00:29:43,125 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:29:43,433 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:29:45,824 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2020-10-24 00:29:46,483 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:29:47,680 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:29:47,899 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:29:48,082 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:29:49,723 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-10-24 00:29:50,187 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2020-10-24 00:29:50,508 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-10-24 00:29:50,833 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-10-24 00:29:51,614 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-10-24 00:29:51,874 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:29:52,040 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 249 [2020-10-24 00:29:53,262 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-10-24 00:29:53,472 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 222 [2020-10-24 00:29:55,662 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 766 DAG size of output: 512 [2020-10-24 00:29:59,942 WARN L193 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 858 DAG size of output: 621 [2020-10-24 00:30:03,965 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 782 DAG size of output: 586 [2020-10-24 00:30:06,012 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 766 DAG size of output: 512 [2020-10-24 00:30:10,231 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 858 DAG size of output: 621 [2020-10-24 00:30:15,473 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 831 DAG size of output: 597 [2020-10-24 00:30:19,180 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 831 DAG size of output: 597 [2020-10-24 00:30:20,235 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:30:21,669 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:30:23,820 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-10-24 00:30:24,204 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-10-24 00:30:25,111 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 234 [2020-10-24 00:30:25,249 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 241 [2020-10-24 00:30:25,751 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 244 [2020-10-24 00:30:25,880 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 247 [2020-10-24 00:30:33,274 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 766 DAG size of output: 512 [2020-10-24 00:30:38,847 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 858 DAG size of output: 621 [2020-10-24 00:30:38,987 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:30:39,375 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:30:39,797 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:30:40,151 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:30:41,425 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:30:41,584 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:30:41,776 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:30:42,059 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:30:42,218 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:30:42,357 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:30:45,296 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 766 DAG size of output: 512 [2020-10-24 00:30:47,358 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 766 DAG size of output: 512 [2020-10-24 00:30:48,367 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 263 [2020-10-24 00:30:48,506 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-10-24 00:30:48,833 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-10-24 00:30:49,586 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-10-24 00:30:49,831 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 263 [2020-10-24 00:30:50,011 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-10-24 00:30:51,423 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-10-24 00:30:51,575 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-10-24 00:30:52,190 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 234 [2020-10-24 00:30:52,318 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 241 [2020-10-24 00:30:52,834 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-10-24 00:30:52,989 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 253 [2020-10-24 00:30:53,329 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-10-24 00:30:53,481 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-10-24 00:30:55,112 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-10-24 00:30:55,299 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 222 [2020-10-24 00:30:59,253 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-10-24 00:31:00,664 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:31:01,744 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:31:01,945 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:31:02,083 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:31:03,047 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 244 [2020-10-24 00:31:03,175 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 247 [2020-10-24 00:31:03,875 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:31:04,290 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:31:04,579 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:31:04,716 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:31:05,530 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:31:06,325 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:31:10,818 WARN L193 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 858 DAG size of output: 621 [2020-10-24 00:31:16,543 WARN L193 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 1037 DAG size of output: 758 [2020-10-24 00:31:16,964 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-10-24 00:31:17,297 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-10-24 00:31:17,408 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-10-24 00:31:17,580 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-10-24 00:31:17,716 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-10-24 00:31:18,512 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-10-24 00:31:19,261 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-10-24 00:31:19,728 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-10-24 00:31:19,914 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-10-24 00:31:20,214 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-10-24 00:31:20,510 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-10-24 00:31:21,064 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-10-24 00:31:21,290 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-10-24 00:31:21,418 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-10-24 00:31:21,692 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-10-24 00:31:22,173 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 216 [2020-10-24 00:31:22,403 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-10-24 00:31:23,043 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:31:27,094 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 831 DAG size of output: 597 [2020-10-24 00:31:31,361 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 858 DAG size of output: 621 [2020-10-24 00:31:31,729 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 246 [2020-10-24 00:31:31,862 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2020-10-24 00:31:32,491 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:31:33,168 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:31:33,852 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:31:34,000 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-10-24 00:31:34,225 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-10-24 00:31:34,955 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 260 [2020-10-24 00:31:38,162 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:31:38,308 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-10-24 00:31:38,533 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 228 [2020-10-24 00:31:39,256 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 260 [2020-10-24 00:31:45,378 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-10-24 00:31:45,583 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 234 [2020-10-24 00:31:49,037 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:31:49,519 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-10-24 00:31:50,079 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-10-24 00:31:50,405 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-10-24 00:31:52,034 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:31:52,508 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:31:55,783 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 766 DAG size of output: 512 [2020-10-24 00:31:59,527 WARN L193 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 831 DAG size of output: 597 [2020-10-24 00:32:03,418 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-10-24 00:32:06,232 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:32:06,760 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 246 [2020-10-24 00:32:06,895 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2020-10-24 00:32:09,925 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-10-24 00:32:10,071 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 250 [2020-10-24 00:32:10,347 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 217 [2020-10-24 00:32:10,579 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:32:13,325 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:32:13,489 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:32:13,858 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:32:13,995 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:32:14,180 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:32:15,206 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:32:16,173 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:32:23,317 WARN L193 SmtUtils]: Spent 6.99 s on a formula simplification. DAG size of input: 871 DAG size of output: 569 [2020-10-24 00:32:23,797 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:32:24,860 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:32:25,271 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-10-24 00:32:25,471 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-10-24 00:32:25,880 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-10-24 00:32:26,181 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-10-24 00:32:26,324 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-10-24 00:32:26,683 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:32:26,822 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-10-24 00:32:27,014 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:32:27,531 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:32:32,585 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 846 DAG size of output: 602 [2020-10-24 00:32:36,986 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 244 [2020-10-24 00:32:37,155 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 247 [2020-10-24 00:32:37,780 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-10-24 00:32:42,333 WARN L193 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 858 DAG size of output: 621 [2020-10-24 00:32:43,293 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2020-10-24 00:32:43,505 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 222 [2020-10-24 00:32:44,005 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 234 [2020-10-24 00:32:44,155 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 241 [2020-10-24 00:32:44,913 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-10-24 00:32:45,505 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2020-10-24 00:32:45,828 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-10-24 00:32:46,141 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-10-24 00:32:46,915 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-10-24 00:32:47,179 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:32:47,378 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 249 [2020-10-24 00:32:48,499 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 244 [2020-10-24 00:32:48,658 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 247 [2020-10-24 00:32:51,866 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 243 DAG size of output: 36 [2020-10-24 00:32:53,046 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 215 DAG size of output: 32 [2020-10-24 00:32:55,016 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 302 DAG size of output: 53 [2020-10-24 00:32:56,586 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 218 DAG size of output: 35 [2020-10-24 00:32:58,219 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 218 DAG size of output: 35 [2020-10-24 00:32:59,592 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 220 DAG size of output: 37 [2020-10-24 00:33:05,230 WARN L193 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 497 DAG size of output: 41 [2020-10-24 00:33:07,438 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 312 DAG size of output: 55 [2020-10-24 00:33:16,426 WARN L193 SmtUtils]: Spent 8.94 s on a formula simplification. DAG size of input: 488 DAG size of output: 42 [2020-10-24 00:33:17,166 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:33:26,238 WARN L193 SmtUtils]: Spent 8.99 s on a formula simplification. DAG size of input: 488 DAG size of output: 42 [2020-10-24 00:33:28,688 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 325 DAG size of output: 38 [2020-10-24 00:33:28,847 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-24 00:33:29,352 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 1 [2020-10-24 00:33:29,721 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-24 00:33:30,485 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-10-24 00:33:30,658 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-24 00:33:32,464 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 467 DAG size of output: 1 [2020-10-24 00:33:33,259 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2020-10-24 00:33:33,668 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 24 [2020-10-24 00:33:34,419 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-24 00:33:34,860 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 19 [2020-10-24 00:33:35,613 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-24 00:33:43,184 WARN L193 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 535 DAG size of output: 45 [2020-10-24 00:33:43,627 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 19 [2020-10-24 00:33:45,117 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 245 DAG size of output: 30 [2020-10-24 00:33:48,279 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 361 DAG size of output: 46 [2020-10-24 00:33:57,200 WARN L193 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 488 DAG size of output: 42 [2020-10-24 00:34:03,589 WARN L193 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 453 DAG size of output: 45 [2020-10-24 00:34:06,791 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 361 DAG size of output: 46 [2020-10-24 00:34:15,753 WARN L193 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 488 DAG size of output: 42 [2020-10-24 00:34:16,466 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 33 [2020-10-24 00:34:18,157 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-10-24 00:34:21,866 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 312 DAG size of output: 44 [2020-10-24 00:34:23,634 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-10-24 00:34:31,565 WARN L193 SmtUtils]: Spent 7.92 s on a formula simplification. DAG size of input: 466 DAG size of output: 42 [2020-10-24 00:34:39,379 WARN L193 SmtUtils]: Spent 7.81 s on a formula simplification. DAG size of input: 466 DAG size of output: 42 [2020-10-24 00:34:40,122 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:34:40,942 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-10-24 00:34:42,728 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-10-24 00:34:44,417 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-10-24 00:34:45,621 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 221 DAG size of output: 42 [2020-10-24 00:34:46,110 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 1 [2020-10-24 00:34:46,491 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-24 00:34:49,181 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 311 DAG size of output: 57 [2020-10-24 00:34:49,938 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2020-10-24 00:34:50,685 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:34:51,184 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 1 [2020-10-24 00:34:51,559 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-24 00:34:52,327 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-10-24 00:34:54,469 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 275 DAG size of output: 40 [2020-10-24 00:34:55,165 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2020-10-24 00:34:55,693 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2020-10-24 00:34:55,854 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-24 00:34:57,628 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-10-24 00:34:59,122 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 310 DAG size of output: 33 [2020-10-24 00:34:59,277 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-24 00:35:01,160 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 222 DAG size of output: 38 [2020-10-24 00:35:01,930 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-10-24 00:35:03,721 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 277 DAG size of output: 36 [2020-10-24 00:35:05,664 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 267 DAG size of output: 43 [2020-10-24 00:35:06,454 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 21 [2020-10-24 00:35:06,601 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-24 00:35:07,653 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 232 DAG size of output: 1 [2020-10-24 00:35:09,196 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 289 DAG size of output: 27 [2020-10-24 00:35:10,472 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 233 DAG size of output: 25 [2020-10-24 00:35:11,230 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:35:11,460 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-24 00:35:12,163 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2020-10-24 00:35:12,374 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-10-24 00:35:16,252 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 284 DAG size of output: 51 [2020-10-24 00:35:17,549 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 219 DAG size of output: 37 [2020-10-24 00:35:17,758 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-10-24 00:35:18,541 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:35:19,301 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 19 [2020-10-24 00:35:20,831 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 289 DAG size of output: 27 [2020-10-24 00:35:21,016 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2020-10-24 00:35:21,251 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2020-10-24 00:35:21,759 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 1 [2020-10-24 00:35:24,945 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 361 DAG size of output: 46 [2020-10-24 00:35:25,463 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 1 [2020-10-24 00:35:25,997 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 32 [2020-10-24 00:35:34,925 WARN L193 SmtUtils]: Spent 8.91 s on a formula simplification. DAG size of input: 488 DAG size of output: 42 [2020-10-24 00:35:40,829 WARN L193 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 477 DAG size of output: 51 [2020-10-24 00:35:44,049 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 361 DAG size of output: 46 [2020-10-24 00:35:47,259 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 361 DAG size of output: 46 [2020-10-24 00:35:54,042 WARN L193 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 532 DAG size of output: 42 [2020-10-24 00:35:55,613 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 218 DAG size of output: 35 [2020-10-24 00:35:56,877 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 215 DAG size of output: 21 [2020-10-24 00:35:57,628 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-24 00:35:59,503 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 261 DAG size of output: 34 [2020-10-24 00:36:00,287 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-10-24 00:36:02,003 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 276 DAG size of output: 30 [2020-10-24 00:36:02,190 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-24 00:36:04,061 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 263 DAG size of output: 36 [2020-10-24 00:36:05,918 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 261 DAG size of output: 34 [2020-10-24 00:36:06,290 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-10-24 00:36:10,777 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 318 DAG size of output: 47 [2020-10-24 00:36:12,066 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 239 DAG size of output: 27 [2020-10-24 00:36:17,670 WARN L193 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 305 DAG size of output: 51 [2020-10-24 00:36:19,457 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 467 DAG size of output: 1 [2020-10-24 00:36:21,289 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 267 DAG size of output: 43 [2020-10-24 00:36:24,174 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 243 DAG size of output: 36 [2020-10-24 00:36:24,895 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:36:27,513 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 333 DAG size of output: 40 [2020-10-24 00:36:28,206 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:36:28,425 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2020-10-24 00:36:37,051 WARN L193 SmtUtils]: Spent 8.61 s on a formula simplification. DAG size of input: 488 DAG size of output: 42 [2020-10-24 00:36:38,690 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-10-24 00:36:50,712 WARN L193 SmtUtils]: Spent 12.02 s on a formula simplification. DAG size of input: 612 DAG size of output: 43 [2020-10-24 00:36:55,163 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 494 DAG size of output: 41 [2020-10-24 00:36:55,860 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:36:56,605 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 37 [2020-10-24 00:36:57,106 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 1 [2020-10-24 00:36:58,896 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-10-24 00:37:06,715 WARN L193 SmtUtils]: Spent 7.81 s on a formula simplification. DAG size of input: 466 DAG size of output: 42 [2020-10-24 00:37:07,445 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:37:16,235 WARN L193 SmtUtils]: Spent 8.78 s on a formula simplification. DAG size of input: 488 DAG size of output: 42 [2020-10-24 00:37:17,312 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 206 DAG size of output: 27 [2020-10-24 00:37:19,282 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 264 DAG size of output: 37 [2020-10-24 00:37:21,097 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 241 DAG size of output: 30 [2020-10-24 00:37:23,501 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 241 DAG size of output: 35 [2020-10-24 00:37:32,490 WARN L193 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 457 DAG size of output: 48 [2020-10-24 00:37:34,160 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-10-24 00:37:34,695 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 1 [2020-10-24 00:37:43,674 WARN L193 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 457 DAG size of output: 48 [2020-10-24 00:37:44,235 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 1 [2020-10-24 00:37:45,983 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 164 DAG size of output: 28 [2020-10-24 00:37:47,431 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 217 DAG size of output: 29