/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:22:07,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:22:07,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:22:07,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:22:07,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:22:07,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:22:07,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:22:07,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:22:07,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:22:07,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:22:07,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:22:07,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:22:07,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:22:07,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:22:07,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:22:07,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:22:07,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:22:07,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:22:07,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:22:07,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:22:07,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:22:07,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:22:07,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:22:07,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:22:07,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:22:07,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:22:07,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:22:07,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:22:07,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:22:07,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:22:07,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:22:07,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:22:07,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:22:07,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:22:07,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:22:07,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:22:07,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:22:07,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:22:07,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:22:07,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:22:07,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:22:07,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:22:07,372 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:22:07,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:22:07,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:22:07,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:22:07,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:22:07,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:22:07,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:22:07,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:22:07,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:22:07,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:22:07,376 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:22:07,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:22:07,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:22:07,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:22:07,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:22:07,377 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:22:07,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:22:07,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:22:07,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:22:07,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:22:07,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:22:07,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:22:07,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:22:07,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:22:07,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:22:07,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:22:07,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:22:07,826 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:22:07,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-10-23 20:22:07,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458a65529/6718e77a416d40ad89c0c4ada352a397/FLAG6ad027efc [2020-10-23 20:22:08,671 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:22:08,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-10-23 20:22:08,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458a65529/6718e77a416d40ad89c0c4ada352a397/FLAG6ad027efc [2020-10-23 20:22:08,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458a65529/6718e77a416d40ad89c0c4ada352a397 [2020-10-23 20:22:08,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:22:08,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:22:08,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:22:08,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:22:08,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:22:08,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:22:08" (1/1) ... [2020-10-23 20:22:08,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309f56d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:08, skipping insertion in model container [2020-10-23 20:22:08,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:22:08" (1/1) ... [2020-10-23 20:22:08,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:22:09,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:22:09,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:22:09,373 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:22:09,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:22:09,586 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:22:09,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09 WrapperNode [2020-10-23 20:22:09,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:22:09,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:22:09,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:22:09,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:22:09,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (1/1) ... [2020-10-23 20:22:09,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (1/1) ... [2020-10-23 20:22:09,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (1/1) ... [2020-10-23 20:22:09,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (1/1) ... [2020-10-23 20:22:09,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (1/1) ... [2020-10-23 20:22:09,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (1/1) ... [2020-10-23 20:22:09,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (1/1) ... [2020-10-23 20:22:09,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:22:09,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:22:09,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:22:09,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:22:09,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (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 [2020-10-23 20:22:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:22:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:22:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:22:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:22:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:22:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:22:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:22:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:22:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:22:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:22:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 20:22:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 20:22:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:22:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 20:22:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 20:22:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-23 20:22:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:22:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:22:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:22:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:22:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:22:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:22:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 20:22:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 20:22:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 20:22:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 20:22:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:22:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:22:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:22:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:22:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:22:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:22:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-23 20:22:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-23 20:22:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-23 20:22:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:22:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:22:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:22:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:22:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:22:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:22:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:22:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:22:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:22:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:22:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:22:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:22:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:22:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:22:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:22:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:22:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:22:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:22:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:22:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:22:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:22:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:22:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:22:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 20:22:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 20:22:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:22:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:22:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:22:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:22:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:22:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 20:22:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 20:22:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-23 20:22:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-23 20:22:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:22:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 20:22:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 20:22:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 20:22:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 20:22:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-23 20:22:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:22:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:22:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:22:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:22:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:22:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:22:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:22:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:22:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-23 20:22:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:22:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:22:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:22:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:22:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:22:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:22:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:22:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:22:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:22:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:22:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:22:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:22:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:22:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:22:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:22:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:22:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:22:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:22:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:22:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:22:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:22:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:22:11,055 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:22:11,055 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:22:11,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:22:11 BoogieIcfgContainer [2020-10-23 20:22:11,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:22:11,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:22:11,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:22:11,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:22:11,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:22:08" (1/3) ... [2020-10-23 20:22:11,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10650e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:22:11, skipping insertion in model container [2020-10-23 20:22:11,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:09" (2/3) ... [2020-10-23 20:22:11,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10650e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:22:11, skipping insertion in model container [2020-10-23 20:22:11,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:22:11" (3/3) ... [2020-10-23 20:22:11,073 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-10-23 20:22:11,086 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:22:11,092 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:22:11,106 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:22:11,135 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:22:11,136 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:22:11,136 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:22:11,136 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:22:11,136 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:22:11,136 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:22:11,136 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:22:11,136 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:22:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-10-23 20:22:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-23 20:22:11,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:11,184 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] [2020-10-23 20:22:11,185 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]=== [2020-10-23 20:22:11,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:11,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1703689242, now seen corresponding path program 1 times [2020-10-23 20:22:11,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:11,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866651325] [2020-10-23 20:22:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:11,295 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,166 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:12,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:22:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-23 20:22:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-23 20:22:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 20:22:12,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866651325] [2020-10-23 20:22:12,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:12,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:22:12,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308110416] [2020-10-23 20:22:12,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:22:12,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:12,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:22:12,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:22:12,376 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 4 states. [2020-10-23 20:22:14,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:14,464 INFO L93 Difference]: Finished difference Result 594 states and 698 transitions. [2020-10-23 20:22:14,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 20:22:14,466 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-23 20:22:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:14,484 INFO L225 Difference]: With dead ends: 594 [2020-10-23 20:22:14,484 INFO L226 Difference]: Without dead ends: 366 [2020-10-23 20:22:14,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:22:14,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-10-23 20:22:14,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 315. [2020-10-23 20:22:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-10-23 20:22:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 345 transitions. [2020-10-23 20:22:14,715 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 345 transitions. Word has length 166 [2020-10-23 20:22:14,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:14,716 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 345 transitions. [2020-10-23 20:22:14,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:22:14,716 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 345 transitions. [2020-10-23 20:22:14,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-23 20:22:14,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:14,722 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] [2020-10-23 20:22:14,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:22:14,723 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]=== [2020-10-23 20:22:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:14,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1670140148, now seen corresponding path program 1 times [2020-10-23 20:22:14,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:14,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730610499] [2020-10-23 20:22:14,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:14,729 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,203 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:22:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 20:22:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 20:22:15,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730610499] [2020-10-23 20:22:15,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:15,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-23 20:22:15,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218850467] [2020-10-23 20:22:15,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 20:22:15,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:15,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 20:22:15,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:22:15,344 INFO L87 Difference]: Start difference. First operand 315 states and 345 transitions. Second operand 5 states. [2020-10-23 20:22:16,181 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:17,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:17,880 INFO L93 Difference]: Finished difference Result 510 states and 578 transitions. [2020-10-23 20:22:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 20:22:17,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-23 20:22:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:17,888 INFO L225 Difference]: With dead ends: 510 [2020-10-23 20:22:17,888 INFO L226 Difference]: Without dead ends: 355 [2020-10-23 20:22:17,891 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 [2020-10-23 20:22:17,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-10-23 20:22:18,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 305. [2020-10-23 20:22:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-10-23 20:22:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 332 transitions. [2020-10-23 20:22:18,007 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 332 transitions. Word has length 167 [2020-10-23 20:22:18,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:18,007 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 332 transitions. [2020-10-23 20:22:18,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 20:22:18,008 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 332 transitions. [2020-10-23 20:22:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-23 20:22:18,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:18,011 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:22:18,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:22:18,012 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]=== [2020-10-23 20:22:18,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:18,013 INFO L82 PathProgramCache]: Analyzing trace with hash -475027597, now seen corresponding path program 1 times [2020-10-23 20:22:18,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:18,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561281926] [2020-10-23 20:22:18,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:18,017 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,598 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-23 20:22:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-23 20:22:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 20:22:18,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561281926] [2020-10-23 20:22:18,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:18,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 20:22:18,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424413903] [2020-10-23 20:22:18,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 20:22:18,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:18,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 20:22:18,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:22:18,889 INFO L87 Difference]: Start difference. First operand 305 states and 332 transitions. Second operand 11 states. [2020-10-23 20:22:19,600 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:20,097 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:20,550 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 20:22:20,970 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:21,381 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:22:21,776 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:23,264 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:26,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:26,994 INFO L93 Difference]: Finished difference Result 847 states and 986 transitions. [2020-10-23 20:22:26,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 20:22:26,995 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-23 20:22:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:27,007 INFO L225 Difference]: With dead ends: 847 [2020-10-23 20:22:27,007 INFO L226 Difference]: Without dead ends: 662 [2020-10-23 20:22:27,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-10-23 20:22:27,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-10-23 20:22:27,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 557. [2020-10-23 20:22:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-23 20:22:27,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 627 transitions. [2020-10-23 20:22:27,296 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 627 transitions. Word has length 180 [2020-10-23 20:22:27,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:27,297 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 627 transitions. [2020-10-23 20:22:27,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 20:22:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 627 transitions. [2020-10-23 20:22:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-23 20:22:27,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:27,301 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] [2020-10-23 20:22:27,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:22:27,302 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]=== [2020-10-23 20:22:27,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:27,302 INFO L82 PathProgramCache]: Analyzing trace with hash 533942979, now seen corresponding path program 1 times [2020-10-23 20:22:27,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:27,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344996290] [2020-10-23 20:22:27,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:27,306 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,794 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:27,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-23 20:22:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-23 20:22:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-23 20:22:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:27,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-23 20:22:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-23 20:22:28,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344996290] [2020-10-23 20:22:28,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:28,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 20:22:28,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110609541] [2020-10-23 20:22:28,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 20:22:28,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:28,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 20:22:28,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 20:22:28,007 INFO L87 Difference]: Start difference. First operand 557 states and 627 transitions. Second operand 10 states. [2020-10-23 20:22:28,676 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:29,828 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:30,236 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:22:31,679 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:32,107 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:32,577 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:32,960 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:33,455 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:22:33,874 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:35,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:35,399 INFO L93 Difference]: Finished difference Result 1275 states and 1530 transitions. [2020-10-23 20:22:35,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-23 20:22:35,399 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-10-23 20:22:35,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:35,410 INFO L225 Difference]: With dead ends: 1275 [2020-10-23 20:22:35,410 INFO L226 Difference]: Without dead ends: 838 [2020-10-23 20:22:35,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-23 20:22:35,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-23 20:22:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 745. [2020-10-23 20:22:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-23 20:22:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 841 transitions. [2020-10-23 20:22:35,792 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 841 transitions. Word has length 185 [2020-10-23 20:22:35,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:35,794 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 841 transitions. [2020-10-23 20:22:35,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 20:22:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 841 transitions. [2020-10-23 20:22:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-23 20:22:35,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:35,799 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] [2020-10-23 20:22:35,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:22:35,800 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]=== [2020-10-23 20:22:35,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:35,801 INFO L82 PathProgramCache]: Analyzing trace with hash -953558733, now seen corresponding path program 1 times [2020-10-23 20:22:35,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:35,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912188940] [2020-10-23 20:22:35,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:35,806 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,195 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:36,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:22:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:22:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-23 20:22:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-23 20:22:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:22:36,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912188940] [2020-10-23 20:22:36,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:36,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 20:22:36,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398641455] [2020-10-23 20:22:36,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 20:22:36,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:36,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 20:22:36,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:22:36,452 INFO L87 Difference]: Start difference. First operand 745 states and 841 transitions. Second operand 11 states. [2020-10-23 20:22:38,418 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:38,801 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 20:22:39,227 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-23 20:22:39,614 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:40,014 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:40,390 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:42,044 INFO L93 Difference]: Finished difference Result 1578 states and 1890 transitions. [2020-10-23 20:22:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 20:22:42,044 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 223 [2020-10-23 20:22:42,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:42,051 INFO L225 Difference]: With dead ends: 1578 [2020-10-23 20:22:42,051 INFO L226 Difference]: Without dead ends: 953 [2020-10-23 20:22:42,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-23 20:22:42,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-10-23 20:22:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 764. [2020-10-23 20:22:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-10-23 20:22:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 861 transitions. [2020-10-23 20:22:42,416 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 861 transitions. Word has length 223 [2020-10-23 20:22:42,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:42,417 INFO L481 AbstractCegarLoop]: Abstraction has 764 states and 861 transitions. [2020-10-23 20:22:42,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 20:22:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 861 transitions. [2020-10-23 20:22:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-23 20:22:42,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:42,422 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] [2020-10-23 20:22:42,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:22:42,422 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]=== [2020-10-23 20:22:42,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:42,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1409217747, now seen corresponding path program 1 times [2020-10-23 20:22:42,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:42,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236440045] [2020-10-23 20:22:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:42,427 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,851 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:42,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:42,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:22:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:22:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-23 20:22:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-23 20:22:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:22:43,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236440045] [2020-10-23 20:22:43,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:43,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 20:22:43,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861730751] [2020-10-23 20:22:43,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 20:22:43,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:43,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 20:22:43,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:22:43,158 INFO L87 Difference]: Start difference. First operand 764 states and 861 transitions. Second operand 14 states. [2020-10-23 20:22:43,949 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:44,351 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 20:22:44,741 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:45,114 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:45,477 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:47,019 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:47,410 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:47,852 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:48,293 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:48,688 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:50,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:50,812 INFO L93 Difference]: Finished difference Result 1619 states and 1961 transitions. [2020-10-23 20:22:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 20:22:50,813 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 223 [2020-10-23 20:22:50,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:50,821 INFO L225 Difference]: With dead ends: 1619 [2020-10-23 20:22:50,821 INFO L226 Difference]: Without dead ends: 975 [2020-10-23 20:22:50,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-23 20:22:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-10-23 20:22:51,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 776. [2020-10-23 20:22:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2020-10-23 20:22:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 873 transitions. [2020-10-23 20:22:51,142 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 873 transitions. Word has length 223 [2020-10-23 20:22:51,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:51,143 INFO L481 AbstractCegarLoop]: Abstraction has 776 states and 873 transitions. [2020-10-23 20:22:51,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 20:22:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 873 transitions. [2020-10-23 20:22:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-23 20:22:51,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:51,147 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] [2020-10-23 20:22:51,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:22:51,148 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]=== [2020-10-23 20:22:51,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:51,148 INFO L82 PathProgramCache]: Analyzing trace with hash -973175562, now seen corresponding path program 1 times [2020-10-23 20:22:51,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:51,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561284200] [2020-10-23 20:22:51,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:51,152 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,585 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:51,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:22:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:22:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-23 20:22:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-23 20:22:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:22:51,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561284200] [2020-10-23 20:22:51,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:51,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 20:22:51,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940736453] [2020-10-23 20:22:51,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 20:22:51,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:51,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 20:22:51,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 20:22:51,855 INFO L87 Difference]: Start difference. First operand 776 states and 873 transitions. Second operand 8 states. [2020-10-23 20:22:52,532 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:53,359 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:57,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:57,415 INFO L93 Difference]: Finished difference Result 2409 states and 2946 transitions. [2020-10-23 20:22:57,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-23 20:22:57,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2020-10-23 20:22:57,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:57,427 INFO L225 Difference]: With dead ends: 2409 [2020-10-23 20:22:57,427 INFO L226 Difference]: Without dead ends: 1753 [2020-10-23 20:22:57,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-10-23 20:22:57,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2020-10-23 20:22:58,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1484. [2020-10-23 20:22:58,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-10-23 20:22:58,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1696 transitions. [2020-10-23 20:22:58,008 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1696 transitions. Word has length 223 [2020-10-23 20:22:58,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:58,009 INFO L481 AbstractCegarLoop]: Abstraction has 1484 states and 1696 transitions. [2020-10-23 20:22:58,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 20:22:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1696 transitions. [2020-10-23 20:22:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-23 20:22:58,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:58,014 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:22:58,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 20:22:58,015 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]=== [2020-10-23 20:22:58,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:58,015 INFO L82 PathProgramCache]: Analyzing trace with hash 332923864, now seen corresponding path program 1 times [2020-10-23 20:22:58,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:58,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879360778] [2020-10-23 20:22:58,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:58,019 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,561 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:22:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-23 20:22:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 20:22:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:22:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:22:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-23 20:22:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-23 20:22:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:22:58,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879360778] [2020-10-23 20:22:58,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:58,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-23 20:22:58,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025502364] [2020-10-23 20:22:58,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-23 20:22:58,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:58,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-23 20:22:58,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:22:58,890 INFO L87 Difference]: Start difference. First operand 1484 states and 1696 transitions. Second operand 15 states. [2020-10-23 20:22:59,952 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-23 20:23:01,111 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:23:02,785 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-23 20:23:03,551 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-23 20:23:04,041 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:23:04,439 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:23:05,209 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-23 20:23:05,597 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:23:06,068 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:23:06,459 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:23:11,244 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-23 20:23:11,987 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:23:12,401 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:23:13,146 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:23:15,185 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-23 20:23:15,970 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-23 20:23:16,807 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-23 20:23:18,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:23:18,328 INFO L93 Difference]: Finished difference Result 4582 states and 5629 transitions. [2020-10-23 20:23:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-23 20:23:18,329 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 228 [2020-10-23 20:23:18,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:23:18,354 INFO L225 Difference]: With dead ends: 4582 [2020-10-23 20:23:18,354 INFO L226 Difference]: Without dead ends: 3509 [2020-10-23 20:23:18,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2020-10-23 20:23:18,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3509 states. [2020-10-23 20:23:20,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3509 to 2791. [2020-10-23 20:23:20,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2791 states. [2020-10-23 20:23:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3167 transitions. [2020-10-23 20:23:20,074 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3167 transitions. Word has length 228 [2020-10-23 20:23:20,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:23:20,075 INFO L481 AbstractCegarLoop]: Abstraction has 2791 states and 3167 transitions. [2020-10-23 20:23:20,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-23 20:23:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3167 transitions. [2020-10-23 20:23:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-23 20:23:20,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:23:20,081 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:23:20,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 20:23:20,082 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]=== [2020-10-23 20:23:20,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:23:20,082 INFO L82 PathProgramCache]: Analyzing trace with hash -946637096, now seen corresponding path program 1 times [2020-10-23 20:23:20,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:23:20,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121279306] [2020-10-23 20:23:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:23:20,398 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2020-10-23 20:23:20,829 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2020-10-23 20:23:21,199 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-10-23 20:23:21,327 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-10-23 20:23:21,637 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2020-10-23 20:23:22,020 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2020-10-23 20:23:22,439 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2020-10-23 20:23:22,546 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-23 20:23:22,855 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2020-10-23 20:23:23,246 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2020-10-23 20:23:23,671 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2020-10-23 20:23:23,790 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-23 20:23:24,117 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2020-10-23 20:23:24,223 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-23 20:23:24,552 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2020-10-23 20:23:24,662 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-23 20:23:25,014 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 75 [2020-10-23 20:23:25,125 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-23 20:23:25,413 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-10-23 20:23:25,805 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2020-10-23 20:23:26,813 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-23 20:23:27,666 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-23 20:23:27,679 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:28,225 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2020-10-23 20:23:28,798 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2020-10-23 20:23:29,342 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2020-10-23 20:23:29,875 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2020-10-23 20:23:29,878 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:30,630 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 205 [2020-10-23 20:23:31,468 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 205 [2020-10-23 20:23:31,474 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:32,251 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-23 20:23:33,070 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-23 20:23:33,080 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:33,849 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-10-23 20:23:34,668 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-10-23 20:23:34,675 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:35,220 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2020-10-23 20:23:35,766 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2020-10-23 20:23:36,337 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2020-10-23 20:23:36,890 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2020-10-23 20:23:36,893 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:37,682 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-23 20:23:38,505 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-23 20:23:38,511 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:39,230 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-23 20:23:39,991 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-23 20:23:40,000 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:40,565 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 158 [2020-10-23 20:23:41,124 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2020-10-23 20:23:41,655 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2020-10-23 20:23:42,190 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 158 [2020-10-23 20:23:42,194 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:42,735 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-10-23 20:23:43,312 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-10-23 20:23:43,864 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2020-10-23 20:23:44,444 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2020-10-23 20:23:44,447 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:45,032 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2020-10-23 20:23:45,628 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2020-10-23 20:23:46,187 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2020-10-23 20:23:46,747 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2020-10-23 20:23:46,751 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:47,304 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2020-10-23 20:23:47,894 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2020-10-23 20:23:48,451 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2020-10-23 20:23:49,003 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2020-10-23 20:23:49,007 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:49,710 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 204 [2020-10-23 20:23:50,481 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 204 [2020-10-23 20:23:50,489 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:51,261 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-23 20:23:52,016 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-23 20:23:52,023 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,001 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:23:53,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:23:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:23:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:23:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:23:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:23:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:23:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-23 20:23:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 20:23:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 20:24:03,316 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-10-23 20:24:06,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121279306] [2020-10-23 20:24:06,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:24:06,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [101] imperfect sequences [] total 101 [2020-10-23 20:24:06,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195468269] [2020-10-23 20:24:06,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 102 states [2020-10-23 20:24:06,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:24:06,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2020-10-23 20:24:06,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1223, Invalid=9283, Unknown=0, NotChecked=0, Total=10506 [2020-10-23 20:24:06,871 INFO L87 Difference]: Start difference. First operand 2791 states and 3167 transitions. Second operand 102 states. [2020-10-23 20:24:07,782 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:24:08,787 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 20:24:09,285 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-23 20:24:09,778 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 20:24:10,221 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-23 20:24:11,119 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 220 [2020-10-23 20:24:11,924 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 214 [2020-10-23 20:24:12,846 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:24:13,739 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2020-10-23 20:24:14,712 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:24:15,570 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-10-23 20:24:16,501 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2020-10-23 20:24:17,520 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 224 [2020-10-23 20:24:18,560 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2020-10-23 20:24:19,605 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 224 [2020-10-23 20:24:20,335 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-23 20:24:21,161 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:24:22,475 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-23 20:24:23,545 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-10-23 20:24:24,442 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-23 20:24:24,852 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:24:25,978 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 231 [2020-10-23 20:24:26,505 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-23 20:24:26,939 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 20:24:27,549 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-23 20:24:28,792 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-10-23 20:24:29,671 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:24:31,021 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 241 DAG size of output: 235 [2020-10-23 20:24:31,931 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:24:33,281 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 241 DAG size of output: 235 [2020-10-23 20:24:34,676 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-10-23 20:24:35,464 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:24:35,970 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 20:24:36,956 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 212 [2020-10-23 20:24:37,883 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 214 [2020-10-23 20:24:38,795 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:24:39,747 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 218 [2020-10-23 20:24:40,704 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:24:41,598 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-10-23 20:24:42,624 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-10-23 20:24:43,635 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 214 [2020-10-23 20:24:44,570 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 214 [2020-10-23 20:24:45,209 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-23 20:24:46,191 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 218 [2020-10-23 20:24:47,160 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 216 [2020-10-23 20:24:47,796 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-23 20:24:48,738 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 216 [2020-10-23 20:24:49,696 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 218 [2020-10-23 20:24:50,484 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-23 20:24:51,578 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 221 [2020-10-23 20:24:52,300 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-23 20:24:53,416 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-10-23 20:24:54,592 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-10-23 20:24:55,329 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-23 20:24:56,526 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-10-23 20:24:57,258 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-23 20:24:58,292 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-23 20:24:59,263 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-23 20:25:00,193 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-23 20:25:01,453 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-23 20:25:02,477 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 221 [2020-10-23 20:25:03,840 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-23 20:25:04,929 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-23 20:25:07,615 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-10-23 20:25:09,295 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-10-23 20:25:10,121 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-23 20:25:11,248 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-10-23 20:25:12,407 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-10-23 20:25:13,573 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-10-23 20:25:14,245 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-23 20:25:14,692 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:25:15,468 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-23 20:25:15,912 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:25:16,893 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-23 20:25:17,772 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-23 20:25:18,705 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-23 20:25:19,242 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-23 20:25:21,179 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-23 20:25:21,335 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2020-10-23 20:25:21,851 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-23 20:25:22,170 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-10-23 20:25:22,402 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2020-10-23 20:25:22,946 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-10-23 20:25:23,424 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 20:25:23,582 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-10-23 20:25:23,835 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-23 20:25:24,028 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-10-23 20:25:24,276 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-10-23 20:25:24,500 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-10-23 20:25:24,779 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-10-23 20:25:24,972 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-10-23 20:25:25,267 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-23 20:25:25,898 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-23 20:25:26,458 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-23 20:25:26,647 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-10-23 20:25:26,959 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-23 20:25:27,183 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-10-23 20:25:27,419 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-10-23 20:25:28,637 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2020-10-23 20:25:29,216 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-23 20:25:29,751 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 20:25:30,417 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:25:30,759 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-10-23 20:25:31,981 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 237 DAG size of output: 235 [2020-10-23 20:25:32,621 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-23 20:25:33,151 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-23 20:25:33,686 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-23 20:25:34,133 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:25:34,853 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-23 20:25:35,359 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-23 20:25:35,945 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-23 20:25:36,421 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:25:37,120 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-23 20:25:37,724 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-23 20:25:38,889 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-10-23 20:25:39,511 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-23 20:25:40,281 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-23 20:25:41,461 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-10-23 20:25:42,043 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:25:42,612 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 20:25:43,861 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-10-23 20:25:45,099 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-10-23 20:25:45,486 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-10-23 20:25:45,926 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-10-23 20:25:47,085 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-10-23 20:25:47,666 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-23 20:25:48,385 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-23 20:25:50,197 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2020-10-23 20:25:50,826 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-23 20:25:51,564 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:25:52,067 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 20:25:53,229 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-10-23 20:25:53,896 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-23 20:25:55,101 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-10-23 20:25:55,744 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-23 20:25:57,072 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-10-23 20:25:57,779 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-23 20:25:59,040 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-10-23 20:25:59,719 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-23 20:26:01,038 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-10-23 20:26:01,707 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-23 20:26:02,646 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:26:03,945 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-10-23 20:26:04,627 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-23 20:26:05,896 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-10-23 20:26:06,593 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-23 20:26:08,077 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-10-23 20:26:08,852 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-23 20:26:10,258 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-10-23 20:26:11,002 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-23 20:26:12,308 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-10-23 20:26:13,032 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-23 20:26:14,420 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-10-23 20:26:15,138 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-23 20:26:15,653 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:26:16,671 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-23 20:26:19,311 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-10-23 20:26:20,024 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-23 20:26:21,503 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 245 DAG size of output: 242 [2020-10-23 20:26:22,186 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-23 20:26:22,761 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 20:26:24,228 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 245 DAG size of output: 242 [2020-10-23 20:26:25,063 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-23 20:26:26,671 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-10-23 20:26:27,422 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-23 20:26:27,979 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-23 20:26:29,334 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 245 DAG size of output: 242 [2020-10-23 20:26:30,060 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-23 20:26:30,956 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-23 20:26:32,297 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-10-23 20:26:33,151 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-23 20:26:34,226 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:26:35,008 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-23 20:26:35,625 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-23 20:26:36,542 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-23 20:26:37,346 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-23 20:26:37,940 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-23 20:26:38,980 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 213 [2020-10-23 20:26:40,073 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 215 [2020-10-23 20:26:40,947 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-23 20:26:42,270 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 238 DAG size of output: 236 [2020-10-23 20:26:42,881 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-23 20:26:44,026 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2020-10-23 20:26:45,585 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-23 20:26:46,744 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:26:47,571 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-23 20:26:48,749 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:26:50,612 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 227 [2020-10-23 20:26:51,881 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 224 [2020-10-23 20:26:53,861 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 221 [2020-10-23 20:26:56,399 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-23 20:26:57,689 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 216 [2020-10-23 20:26:58,978 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 218 [2020-10-23 20:27:00,913 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 221 [2020-10-23 20:27:02,139 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 223 [2020-10-23 20:27:04,237 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-10-23 20:27:05,478 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-10-23 20:27:06,046 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:27:06,778 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:27:08,245 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 20:27:08,725 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 20:27:09,208 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-23 20:27:09,703 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-23 20:27:10,389 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 20:27:10,924 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 20:27:11,553 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-23 20:27:12,136 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-23 20:27:12,655 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 20:27:14,240 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 219 [2020-10-23 20:27:15,307 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 221 [2020-10-23 20:27:16,789 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 232 DAG size of output: 227 [2020-10-23 20:27:17,848 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 224 [2020-10-23 20:27:18,710 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-23 20:27:19,457 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-23 20:27:21,470 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 20:27:22,702 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-23 20:27:23,347 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-23 20:27:24,411 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-23 20:27:24,873 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:27:25,763 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-23 20:27:26,233 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:27:26,996 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-23 20:27:27,921 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-23 20:27:28,741 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-23 20:27:29,617 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-10-23 20:27:30,538 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-10-23 20:27:31,348 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-10-23 20:27:32,043 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-10-23 20:27:35,738 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2020-10-23 20:27:39,303 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-10-23 20:27:45,890 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-10-23 20:27:47,034 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-23 20:27:48,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:27:48,420 INFO L93 Difference]: Finished difference Result 12486 states and 16243 transitions. [2020-10-23 20:27:48,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 489 states. [2020-10-23 20:27:48,422 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 342 [2020-10-23 20:27:48,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:27:48,429 INFO L225 Difference]: With dead ends: 12486 [2020-10-23 20:27:48,429 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 20:27:48,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 792 GetRequests, 200 SyntacticMatches, 35 SemanticMatches, 557 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146226 ImplicationChecksByTransitivity, 201.2s TimeCoverageRelationStatistics Valid=15194, Invalid=296728, Unknown=0, NotChecked=0, Total=311922 [2020-10-23 20:27:48,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 20:27:48,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 20:27:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 20:27:48,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 20:27:48,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2020-10-23 20:27:48,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:27:48,526 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 20:27:48,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 102 states. [2020-10-23 20:27:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 20:27:48,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 20:27:48,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 20:27:48,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 20:27:49,876 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-10-23 20:27:51,470 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2020-10-23 20:27:54,214 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 439 DAG size of output: 307 [2020-10-23 20:28:02,669 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 278 [2020-10-23 20:28:04,268 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 510 DAG size of output: 372 [2020-10-23 20:28:06,647 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 633 DAG size of output: 439 [2020-10-23 20:28:14,111 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 724 DAG size of output: 452 [2020-10-23 20:28:15,117 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 247 [2020-10-23 20:28:37,846 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 514 DAG size of output: 376 [2020-10-23 20:28:41,989 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 633 DAG size of output: 439 [2020-10-23 20:28:44,783 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 635 DAG size of output: 441 [2020-10-23 20:29:09,589 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 647 DAG size of output: 417 [2020-10-23 20:29:10,181 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 292 [2020-10-23 20:29:16,958 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 162 [2020-10-23 20:29:18,410 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 514 DAG size of output: 376 [2020-10-23 20:29:20,042 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 516 DAG size of output: 379 [2020-10-23 20:29:40,546 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 647 DAG size of output: 417 [2020-10-23 20:29:47,138 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 633 DAG size of output: 439 [2020-10-23 20:29:58,568 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 304 [2020-10-23 20:30:01,291 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 651 DAG size of output: 449 [2020-10-23 20:30:03,294 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 647 DAG size of output: 417 [2020-10-23 20:30:06,173 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 633 DAG size of output: 439 [2020-10-23 20:30:25,954 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 633 DAG size of output: 439 [2020-10-23 20:30:28,146 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 633 DAG size of output: 439 [2020-10-23 20:30:36,041 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 629 DAG size of output: 434 [2020-10-23 20:30:48,337 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 514 DAG size of output: 376 [2020-10-23 20:31:01,983 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 7 [2020-10-23 20:31:05,699 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 355 DAG size of output: 38 [2020-10-23 20:31:06,838 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 235 DAG size of output: 27 [2020-10-23 20:31:10,495 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 348 DAG size of output: 34 [2020-10-23 20:31:11,396 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 11 [2020-10-23 20:31:15,674 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 346 DAG size of output: 93 [2020-10-23 20:31:18,424 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 231 DAG size of output: 73 [2020-10-23 20:31:20,701 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 287 DAG size of output: 71 [2020-10-23 20:31:21,960 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 270 DAG size of output: 57 [2020-10-23 20:31:24,229 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 287 DAG size of output: 71 [2020-10-23 20:31:26,336 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 289 DAG size of output: 73 [2020-10-23 20:31:30,039 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 347 DAG size of output: 32 [2020-10-23 20:31:30,751 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 31 [2020-10-23 20:31:32,715 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 305 DAG size of output: 28 [2020-10-23 20:31:33,414 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-10-23 20:31:36,589 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 372 DAG size of output: 39 [2020-10-23 20:31:37,290 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-10-23 20:31:38,171 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 1 [2020-10-23 20:31:38,336 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-23 20:31:39,278 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 1 [2020-10-23 20:31:41,935 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 385 DAG size of output: 40 [2020-10-23 20:31:42,617 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 13 [2020-10-23 20:31:43,307 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-10-23 20:31:45,606 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 226 DAG size of output: 17 [2020-10-23 20:31:50,762 WARN L193 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 472 DAG size of output: 27 [2020-10-23 20:31:55,121 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 271 DAG size of output: 65 [2020-10-23 20:31:56,008 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 44 [2020-10-23 20:31:56,149 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 6 [2020-10-23 20:31:56,416 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-10-23 20:31:57,296 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 47 [2020-10-23 20:31:59,324 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 358 DAG size of output: 75 [2020-10-23 20:32:00,266 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 49 [2020-10-23 20:32:00,961 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-10-23 20:32:05,471 WARN L193 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 277 DAG size of output: 43 [2020-10-23 20:32:06,401 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 57 [2020-10-23 20:32:06,577 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-23 20:32:07,293 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-10-23 20:32:08,550 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 220 DAG size of output: 58 [2020-10-23 20:32:09,280 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-10-23 20:32:10,232 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 49 [2020-10-23 20:32:10,736 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 1 [2020-10-23 20:32:10,914 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-23 20:32:14,695 WARN L193 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 260 DAG size of output: 97 [2020-10-23 20:32:15,532 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 57 [2020-10-23 20:32:18,203 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 241 DAG size of output: 10 [2020-10-23 20:32:19,021 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 57 [2020-10-23 20:32:19,407 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-10-23 20:32:19,686 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-10-23 20:32:21,448 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 230 DAG size of output: 65 [2020-10-23 20:32:22,423 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 59 [2020-10-23 20:32:27,458 WARN L193 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 326 DAG size of output: 99 [2020-10-23 20:32:27,619 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-23 20:32:28,458 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 44 [2020-10-23 20:32:29,595 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 206 DAG size of output: 7 [2020-10-23 20:32:31,436 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 279 DAG size of output: 9 [2020-10-23 20:32:32,918 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 266 DAG size of output: 56 [2020-10-23 20:32:35,329 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 309 DAG size of output: 39 [2020-10-23 20:32:36,012 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 36 [2020-10-23 20:32:36,786 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-10-23 20:32:37,884 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 260 DAG size of output: 45 [2020-10-23 20:32:43,715 WARN L193 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 259 DAG size of output: 56 [2020-10-23 20:32:44,423 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-10-23 20:32:45,121 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-10-23 20:32:46,537 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 264 DAG size of output: 54 [2020-10-23 20:32:46,721 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-23 20:32:47,876 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 218 DAG size of output: 54 [2020-10-23 20:32:51,012 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 372 DAG size of output: 39 [2020-10-23 20:32:52,771 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 230 DAG size of output: 65 [2020-10-23 20:32:55,954 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 374 DAG size of output: 39 [2020-10-23 20:32:56,405 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-10-23 20:33:01,058 WARN L193 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 277 DAG size of output: 43 [2020-10-23 20:33:04,595 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 473 DAG size of output: 27 [2020-10-23 20:33:05,057 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-10-23 20:33:08,497 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 252 DAG size of output: 45 [2020-10-23 20:33:09,258 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 16 [2020-10-23 20:33:10,370 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 260 DAG size of output: 45 [2020-10-23 20:33:11,071 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-10-23 20:33:11,863 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 47 [2020-10-23 20:33:12,872 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 220 DAG size of output: 59 [2020-10-23 20:33:14,158 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 309 DAG size of output: 3 [2020-10-23 20:33:16,186 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 397 DAG size of output: 18 [2020-10-23 20:33:16,903 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-10-23 20:33:17,174 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-10-23 20:33:18,567 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 289 DAG size of output: 12 [2020-10-23 20:33:20,264 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 271 DAG size of output: 58 [2020-10-23 20:33:23,189 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 243 DAG size of output: 49 [2020-10-23 20:33:25,642 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 311 DAG size of output: 48 [2020-10-23 20:33:25,810 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-23 20:33:27,001 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 228 DAG size of output: 29 [2020-10-23 20:33:34,204 WARN L193 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 314 DAG size of output: 63 [2020-10-23 20:33:38,237 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 308 DAG size of output: 9 [2020-10-23 20:33:38,512 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-10-23 20:33:42,907 WARN L193 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 268 DAG size of output: 62 [2020-10-23 20:33:43,339 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 7 [2020-10-23 20:33:44,076 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-10-23 20:33:47,077 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 471 DAG size of output: 23 [2020-10-23 20:33:48,202 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 161 DAG size of output: 41 [2020-10-23 20:33:48,934 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-10-23 20:33:51,214 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 309 DAG size of output: 39 [2020-10-23 20:33:51,950 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2020-10-23 20:33:52,344 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-10-23 20:33:54,766 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 312 DAG size of output: 41 [2020-10-23 20:34:00,004 WARN L193 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 326 DAG size of output: 99 [2020-10-23 20:34:01,037 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 287 DAG size of output: 7 [2020-10-23 20:34:08,278 WARN L193 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 314 DAG size of output: 63 [2020-10-23 20:34:08,791 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 1 [2020-10-23 20:34:16,504 WARN L193 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 317 DAG size of output: 69 [2020-10-23 20:34:18,008 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 256 DAG size of output: 16 [2020-10-23 20:34:23,251 WARN L193 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 255 DAG size of output: 28 [2020-10-23 20:34:24,169 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 54 [2020-10-23 20:34:24,689 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 1 [2020-10-23 20:34:25,216 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 1 [2020-10-23 20:34:26,103 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 44 [2020-10-23 20:34:27,252 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 353 DAG size of output: 65 [2020-10-23 20:34:28,256 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 7 [2020-10-23 20:34:31,591 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 321 DAG size of output: 66 [2020-10-23 20:34:32,506 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 1 [2020-10-23 20:34:32,968 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 7 [2020-10-23 20:34:33,931 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 47 [2020-10-23 20:34:34,865 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 1 [2020-10-23 20:34:35,819 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 49 [2020-10-23 20:34:37,576 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 226 DAG size of output: 61 [2020-10-23 20:34:40,079 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 311 DAG size of output: 48 [2020-10-23 20:34:46,092 WARN L193 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 258 DAG size of output: 56 [2020-10-23 20:34:48,302 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 287 DAG size of output: 71 [2020-10-23 20:34:48,468 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-23 20:34:52,732 WARN L193 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 264 DAG size of output: 58 [2020-10-23 20:34:53,820 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 319 DAG size of output: 7 [2020-10-23 20:34:53,994 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-23 20:34:55,497 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 266 DAG size of output: 56 [2020-10-23 20:34:55,896 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-10-23 20:34:56,860 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 57 [2020-10-23 20:34:57,938 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 319 DAG size of output: 7 [2020-10-23 20:35:01,272 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 372 DAG size of output: 39 [2020-10-23 20:35:05,020 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 396 DAG size of output: 101 [2020-10-23 20:35:08,300 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 358 DAG size of output: 87 [2020-10-23 20:35:09,382 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 258 DAG size of output: 7