/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_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 23:51:53,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 23:51:53,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 23:51:53,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 23:51:53,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 23:51:53,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 23:51:53,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 23:51:53,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 23:51:53,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 23:51:53,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 23:51:53,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 23:51:53,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 23:51:53,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 23:51:53,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 23:51:53,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 23:51:53,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 23:51:53,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 23:51:53,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 23:51:53,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 23:51:53,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 23:51:53,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 23:51:53,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 23:51:53,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 23:51:53,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 23:51:53,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 23:51:53,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 23:51:53,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 23:51:53,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 23:51:53,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 23:51:53,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 23:51:53,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 23:51:53,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 23:51:53,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 23:51:53,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 23:51:53,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 23:51:53,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 23:51:53,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 23:51:53,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 23:51:53,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 23:51:53,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 23:51:53,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 23:51:53,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-06 23:51:53,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 23:51:53,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 23:51:53,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 23:51:53,371 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 23:51:53,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 23:51:53,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 23:51:53,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 23:51:53,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 23:51:53,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 23:51:53,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 23:51:53,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 23:51:53,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 23:51:53,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 23:51:53,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 23:51:53,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 23:51:53,376 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-06 23:51:53,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 23:51:53,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 23:51:53,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 23:51:53,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 23:51:53,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-06 23:51:53,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 23:51:53,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 23:51:53,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 23:51:53,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 23:51:53,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 23:51:53,879 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 23:51:53,880 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 23:51:53,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-11-06 23:51:53,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813af7dfd/d22f53557cfe4abc88d60b9d9fdf2a35/FLAG087f43f91 [2020-11-06 23:51:54,679 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 23:51:54,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-11-06 23:51:54,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813af7dfd/d22f53557cfe4abc88d60b9d9fdf2a35/FLAG087f43f91 [2020-11-06 23:51:54,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813af7dfd/d22f53557cfe4abc88d60b9d9fdf2a35 [2020-11-06 23:51:54,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 23:51:54,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 23:51:54,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 23:51:54,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 23:51:54,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 23:51:54,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:51:54" (1/1) ... [2020-11-06 23:51:54,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9129e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:54, skipping insertion in model container [2020-11-06 23:51:54,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:51:54" (1/1) ... [2020-11-06 23:51:54,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 23:51:55,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 23:51:55,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 23:51:55,357 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 23:51:55,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 23:51:55,523 INFO L208 MainTranslator]: Completed translation [2020-11-06 23:51:55,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55 WrapperNode [2020-11-06 23:51:55,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 23:51:55,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 23:51:55,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 23:51:55,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 23:51:55,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (1/1) ... [2020-11-06 23:51:55,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (1/1) ... [2020-11-06 23:51:55,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (1/1) ... [2020-11-06 23:51:55,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (1/1) ... [2020-11-06 23:51:55,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (1/1) ... [2020-11-06 23:51:55,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (1/1) ... [2020-11-06 23:51:55,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (1/1) ... [2020-11-06 23:51:55,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 23:51:55,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 23:51:55,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 23:51:55,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 23:51:55,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 23:51:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 23:51:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 23:51:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 23:51:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 23:51:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 23:51:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 23:51:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 23:51:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 23:51:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 23:51:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 23:51:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 23:51:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 23:51:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 23:51:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 23:51:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 23:51:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-06 23:51:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 23:51:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-11-06 23:51:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-11-06 23:51:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 23:51:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 23:51:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 23:51:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 23:51:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 23:51:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 23:51:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 23:51:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 23:51:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 23:51:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 23:51:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 23:51:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 23:51:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 23:51:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 23:51:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 23:51:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 23:51:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 23:51:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 23:51:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 23:51:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-06 23:51:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-06 23:51:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 23:51:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 23:51:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 23:51:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 23:51:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 23:51:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 23:51:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 23:51:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 23:51:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 23:51:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 23:51:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 23:51:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 23:51:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 23:51:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-11-06 23:51:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 23:51:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 23:51:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 23:51:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 23:51:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 23:51:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 23:51:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 23:51:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 23:51:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 23:51:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 23:51:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-06 23:51:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 23:51:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 23:51:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-11-06 23:51:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 23:51:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 23:51:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 23:51:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 23:51:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 23:51:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 23:51:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 23:51:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 23:51:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 23:51:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 23:51:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 23:51:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 23:51:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 23:51:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 23:51:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 23:51:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 23:51:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-06 23:51:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 23:51:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 23:51:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 23:51:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 23:51:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-06 23:51:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 23:51:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 23:51:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 23:51:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 23:51:57,500 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 23:51:57,500 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 23:51:57,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:51:57 BoogieIcfgContainer [2020-11-06 23:51:57,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 23:51:57,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 23:51:57,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 23:51:57,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 23:51:57,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:51:54" (1/3) ... [2020-11-06 23:51:57,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1c1b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:51:57, skipping insertion in model container [2020-11-06 23:51:57,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:55" (2/3) ... [2020-11-06 23:51:57,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1c1b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:51:57, skipping insertion in model container [2020-11-06 23:51:57,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:51:57" (3/3) ... [2020-11-06 23:51:57,512 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-11-06 23:51:57,528 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-06 23:51:57,532 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 23:51:57,545 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 23:51:57,569 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 23:51:57,570 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 23:51:57,570 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-06 23:51:57,570 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 23:51:57,570 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 23:51:57,570 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 23:51:57,570 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 23:51:57,570 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 23:51:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states. [2020-11-06 23:51:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-06 23:51:57,613 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:51:57,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:51:57,615 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:51:57,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:51:57,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1470258472, now seen corresponding path program 1 times [2020-11-06 23:51:57,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:51:57,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467298507] [2020-11-06 23:51:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:51:57,711 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:51:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:58,811 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:51:58,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:51:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:58,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:51:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:58,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:51:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:58,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:51:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:58,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:51:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:58,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:51:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:58,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:51:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:58,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-06 23:51:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:51:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:51:59,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467298507] [2020-11-06 23:51:59,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:51:59,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 23:51:59,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050471625] [2020-11-06 23:51:59,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 23:51:59,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:51:59,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 23:51:59,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 23:51:59,058 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 4 states. [2020-11-06 23:52:01,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:01,422 INFO L93 Difference]: Finished difference Result 452 states and 535 transitions. [2020-11-06 23:52:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 23:52:01,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-11-06 23:52:01,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:01,441 INFO L225 Difference]: With dead ends: 452 [2020-11-06 23:52:01,441 INFO L226 Difference]: Without dead ends: 293 [2020-11-06 23:52:01,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 23:52:01,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-11-06 23:52:01,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 246. [2020-11-06 23:52:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-11-06 23:52:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 265 transitions. [2020-11-06 23:52:01,591 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 265 transitions. Word has length 154 [2020-11-06 23:52:01,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:01,592 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 265 transitions. [2020-11-06 23:52:01,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 23:52:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 265 transitions. [2020-11-06 23:52:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-06 23:52:01,597 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:01,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:01,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 23:52:01,598 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:01,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:01,599 INFO L82 PathProgramCache]: Analyzing trace with hash 810904873, now seen corresponding path program 1 times [2020-11-06 23:52:01,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:01,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585909890] [2020-11-06 23:52:01,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:01,604 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,532 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:02,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-11-06 23:52:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-06 23:52:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:02,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585909890] [2020-11-06 23:52:02,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:02,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 23:52:02,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273702563] [2020-11-06 23:52:02,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 23:52:02,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:02,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 23:52:02,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 23:52:02,640 INFO L87 Difference]: Start difference. First operand 246 states and 265 transitions. Second operand 5 states. [2020-11-06 23:52:04,104 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:05,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:05,711 INFO L93 Difference]: Finished difference Result 374 states and 422 transitions. [2020-11-06 23:52:05,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 23:52:05,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-11-06 23:52:05,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:05,719 INFO L225 Difference]: With dead ends: 374 [2020-11-06 23:52:05,719 INFO L226 Difference]: Without dead ends: 282 [2020-11-06 23:52:05,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 23:52:05,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-06 23:52:05,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 236. [2020-11-06 23:52:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-06 23:52:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 252 transitions. [2020-11-06 23:52:05,855 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 252 transitions. Word has length 155 [2020-11-06 23:52:05,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:05,858 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 252 transitions. [2020-11-06 23:52:05,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 23:52:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 252 transitions. [2020-11-06 23:52:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-06 23:52:05,869 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:05,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:05,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 23:52:05,870 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:05,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:05,871 INFO L82 PathProgramCache]: Analyzing trace with hash -257166783, now seen corresponding path program 1 times [2020-11-06 23:52:05,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:05,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920133611] [2020-11-06 23:52:05,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:05,877 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,756 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:06,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-06 23:52:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-06 23:52:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:06,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-06 23:52:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:07,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920133611] [2020-11-06 23:52:07,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:07,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 23:52:07,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001398568] [2020-11-06 23:52:07,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 23:52:07,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:07,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 23:52:07,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-06 23:52:07,012 INFO L87 Difference]: Start difference. First operand 236 states and 252 transitions. Second operand 11 states. [2020-11-06 23:52:08,175 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:09,116 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:52:09,960 WARN L194 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 23:52:10,775 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:11,572 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:12,354 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:15,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:15,165 INFO L93 Difference]: Finished difference Result 421 states and 487 transitions. [2020-11-06 23:52:15,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 23:52:15,166 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2020-11-06 23:52:15,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:15,171 INFO L225 Difference]: With dead ends: 421 [2020-11-06 23:52:15,171 INFO L226 Difference]: Without dead ends: 305 [2020-11-06 23:52:15,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-11-06 23:52:15,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-06 23:52:15,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 236. [2020-11-06 23:52:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-06 23:52:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 251 transitions. [2020-11-06 23:52:15,261 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 251 transitions. Word has length 168 [2020-11-06 23:52:15,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:15,262 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 251 transitions. [2020-11-06 23:52:15,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 23:52:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 251 transitions. [2020-11-06 23:52:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-06 23:52:15,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:15,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:15,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 23:52:15,265 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:15,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:15,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1220892336, now seen corresponding path program 1 times [2020-11-06 23:52:15,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:15,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738886742] [2020-11-06 23:52:15,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:15,270 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,037 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:16,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-06 23:52:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-06 23:52:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:52:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-06 23:52:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-11-06 23:52:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:16,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738886742] [2020-11-06 23:52:16,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:16,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 23:52:16,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910606093] [2020-11-06 23:52:16,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 23:52:16,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:16,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 23:52:16,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 23:52:16,251 INFO L87 Difference]: Start difference. First operand 236 states and 251 transitions. Second operand 8 states. [2020-11-06 23:52:17,406 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:20,803 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:22,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:22,440 INFO L93 Difference]: Finished difference Result 602 states and 719 transitions. [2020-11-06 23:52:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-06 23:52:22,443 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-11-06 23:52:22,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:22,448 INFO L225 Difference]: With dead ends: 602 [2020-11-06 23:52:22,448 INFO L226 Difference]: Without dead ends: 486 [2020-11-06 23:52:22,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-11-06 23:52:22,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-11-06 23:52:22,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 343. [2020-11-06 23:52:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-11-06 23:52:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 370 transitions. [2020-11-06 23:52:22,591 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 370 transitions. Word has length 176 [2020-11-06 23:52:22,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:22,591 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 370 transitions. [2020-11-06 23:52:22,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 23:52:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 370 transitions. [2020-11-06 23:52:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-06 23:52:22,595 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:22,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:22,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 23:52:22,596 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:22,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:22,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1960817209, now seen corresponding path program 1 times [2020-11-06 23:52:22,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:22,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376591560] [2020-11-06 23:52:22,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:22,600 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,369 WARN L194 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:23,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-06 23:52:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-06 23:52:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:52:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:52:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:52:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-11-06 23:52:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-11-06 23:52:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:23,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376591560] [2020-11-06 23:52:23,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:23,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 23:52:23,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970090282] [2020-11-06 23:52:23,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 23:52:23,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:23,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 23:52:23,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-06 23:52:23,714 INFO L87 Difference]: Start difference. First operand 343 states and 370 transitions. Second operand 11 states. [2020-11-06 23:52:24,971 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:27,268 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:28,081 WARN L194 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:52:28,895 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:29,695 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:30,579 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:52:31,370 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:34,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:34,641 INFO L93 Difference]: Finished difference Result 989 states and 1228 transitions. [2020-11-06 23:52:34,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-06 23:52:34,642 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2020-11-06 23:52:34,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:34,648 INFO L225 Difference]: With dead ends: 989 [2020-11-06 23:52:34,648 INFO L226 Difference]: Without dead ends: 766 [2020-11-06 23:52:34,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2020-11-06 23:52:34,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-11-06 23:52:34,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 523. [2020-11-06 23:52:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-11-06 23:52:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 575 transitions. [2020-11-06 23:52:34,892 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 575 transitions. Word has length 200 [2020-11-06 23:52:34,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:34,892 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 575 transitions. [2020-11-06 23:52:34,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 23:52:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 575 transitions. [2020-11-06 23:52:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-06 23:52:34,896 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:34,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:34,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 23:52:34,897 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:34,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:34,897 INFO L82 PathProgramCache]: Analyzing trace with hash -203027396, now seen corresponding path program 1 times [2020-11-06 23:52:34,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:34,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265696653] [2020-11-06 23:52:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:34,901 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,685 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:35,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-06 23:52:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-11-06 23:52:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:52:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:52:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:52:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-11-06 23:52:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-11-06 23:52:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:35,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265696653] [2020-11-06 23:52:35,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:35,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 23:52:35,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919084157] [2020-11-06 23:52:35,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 23:52:35,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:35,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 23:52:35,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-06 23:52:35,919 INFO L87 Difference]: Start difference. First operand 523 states and 575 transitions. Second operand 11 states. [2020-11-06 23:52:37,207 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:40,390 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:41,197 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:42,019 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:42,796 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:43,588 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:44,365 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:45,133 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:46,142 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:52:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:52:49,588 INFO L93 Difference]: Finished difference Result 1681 states and 2091 transitions. [2020-11-06 23:52:49,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-11-06 23:52:49,589 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2020-11-06 23:52:49,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:52:49,599 INFO L225 Difference]: With dead ends: 1681 [2020-11-06 23:52:49,599 INFO L226 Difference]: Without dead ends: 1278 [2020-11-06 23:52:49,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-11-06 23:52:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-11-06 23:52:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 849. [2020-11-06 23:52:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2020-11-06 23:52:49,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 939 transitions. [2020-11-06 23:52:50,000 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 939 transitions. Word has length 200 [2020-11-06 23:52:50,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:52:50,001 INFO L481 AbstractCegarLoop]: Abstraction has 849 states and 939 transitions. [2020-11-06 23:52:50,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 23:52:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 939 transitions. [2020-11-06 23:52:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-06 23:52:50,005 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:52:50,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:52:50,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-06 23:52:50,006 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:52:50,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:52:50,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1794956278, now seen corresponding path program 1 times [2020-11-06 23:52:50,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:52:50,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122672574] [2020-11-06 23:52:50,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:52:50,010 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:52:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,843 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:52:50,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:52:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:52:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:52:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:52:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:52:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:52:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:52:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-06 23:52:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:50,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 23:52:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:52:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:52:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:52:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-11-06 23:52:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-11-06 23:52:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:52:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:52:51,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122672574] [2020-11-06 23:52:51,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:52:51,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 23:52:51,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578755638] [2020-11-06 23:52:51,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 23:52:51,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:52:51,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 23:52:51,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-11-06 23:52:51,105 INFO L87 Difference]: Start difference. First operand 849 states and 939 transitions. Second operand 12 states. [2020-11-06 23:52:52,395 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:55,920 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:56,727 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:52:57,469 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:52:58,439 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:52:59,261 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:53:00,090 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:53:00,892 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:53:01,753 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:53:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:53:05,707 INFO L93 Difference]: Finished difference Result 2267 states and 2784 transitions. [2020-11-06 23:53:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-11-06 23:53:05,708 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 205 [2020-11-06 23:53:05,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:53:05,720 INFO L225 Difference]: With dead ends: 2267 [2020-11-06 23:53:05,720 INFO L226 Difference]: Without dead ends: 1538 [2020-11-06 23:53:05,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=434, Invalid=1206, Unknown=0, NotChecked=0, Total=1640 [2020-11-06 23:53:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2020-11-06 23:53:06,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 845. [2020-11-06 23:53:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-11-06 23:53:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 931 transitions. [2020-11-06 23:53:06,127 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 931 transitions. Word has length 205 [2020-11-06 23:53:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:53:06,127 INFO L481 AbstractCegarLoop]: Abstraction has 845 states and 931 transitions. [2020-11-06 23:53:06,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 23:53:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 931 transitions. [2020-11-06 23:53:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-06 23:53:06,132 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:53:06,132 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:53:06,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 23:53:06,132 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:53:06,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:53:06,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1519791272, now seen corresponding path program 1 times [2020-11-06 23:53:06,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:53:06,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207905945] [2020-11-06 23:53:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:53:06,136 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:53:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:06,901 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:53:06,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:53:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:06,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:53:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:06,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:53:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:06,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:53:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:06,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:53:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:06,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:53:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:06,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:53:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:06,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-06 23:53:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:07,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 23:53:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:53:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:53:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:07,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:53:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-06 23:53:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:07,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-06 23:53:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:53:07,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207905945] [2020-11-06 23:53:07,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:53:07,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 23:53:07,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059787604] [2020-11-06 23:53:07,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 23:53:07,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:53:07,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 23:53:07,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-11-06 23:53:07,225 INFO L87 Difference]: Start difference. First operand 845 states and 931 transitions. Second operand 12 states. [2020-11-06 23:53:10,016 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:53:10,828 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:53:11,679 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-06 23:53:12,483 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:53:13,307 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:53:14,064 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:53:17,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:53:17,967 INFO L93 Difference]: Finished difference Result 2285 states and 2829 transitions. [2020-11-06 23:53:17,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-06 23:53:17,969 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 206 [2020-11-06 23:53:17,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:53:17,979 INFO L225 Difference]: With dead ends: 2285 [2020-11-06 23:53:17,980 INFO L226 Difference]: Without dead ends: 1560 [2020-11-06 23:53:17,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-11-06 23:53:17,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2020-11-06 23:53:18,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 877. [2020-11-06 23:53:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2020-11-06 23:53:18,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 963 transitions. [2020-11-06 23:53:18,386 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 963 transitions. Word has length 206 [2020-11-06 23:53:18,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:53:18,387 INFO L481 AbstractCegarLoop]: Abstraction has 877 states and 963 transitions. [2020-11-06 23:53:18,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 23:53:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 963 transitions. [2020-11-06 23:53:18,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-06 23:53:18,391 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:53:18,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:53:18,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-06 23:53:18,392 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:53:18,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:53:18,395 INFO L82 PathProgramCache]: Analyzing trace with hash 545921096, now seen corresponding path program 1 times [2020-11-06 23:53:18,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:53:18,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403491473] [2020-11-06 23:53:18,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:53:18,399 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:53:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,207 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:53:19,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:53:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:53:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:53:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:53:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:53:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:53:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-11-06 23:53:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-06 23:53:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-06 23:53:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:53:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:53:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:53:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-06 23:53:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-11-06 23:53:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:53:19,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403491473] [2020-11-06 23:53:19,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:53:19,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-06 23:53:19,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112172435] [2020-11-06 23:53:19,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-06 23:53:19,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:53:19,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-06 23:53:19,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-11-06 23:53:19,557 INFO L87 Difference]: Start difference. First operand 877 states and 963 transitions. Second operand 15 states. [2020-11-06 23:53:20,965 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:53:21,783 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:53:22,577 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:53:23,367 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:53:24,122 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:53:26,205 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:53:26,979 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:53:27,790 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:53:28,600 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:53:29,363 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:53:33,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:53:33,474 INFO L93 Difference]: Finished difference Result 1952 states and 2388 transitions. [2020-11-06 23:53:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-06 23:53:33,476 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 206 [2020-11-06 23:53:33,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:53:33,484 INFO L225 Difference]: With dead ends: 1952 [2020-11-06 23:53:33,484 INFO L226 Difference]: Without dead ends: 1195 [2020-11-06 23:53:33,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-11-06 23:53:33,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2020-11-06 23:53:33,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 724. [2020-11-06 23:53:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2020-11-06 23:53:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 779 transitions. [2020-11-06 23:53:33,841 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 779 transitions. Word has length 206 [2020-11-06 23:53:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:53:33,842 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 779 transitions. [2020-11-06 23:53:33,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-06 23:53:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 779 transitions. [2020-11-06 23:53:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-06 23:53:33,845 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:53:33,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:53:33,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-06 23:53:33,846 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:53:33,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:53:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1904790336, now seen corresponding path program 1 times [2020-11-06 23:53:33,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:53:33,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326428794] [2020-11-06 23:53:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:53:33,850 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-06 23:53:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,611 WARN L194 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:53:34,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:53:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:53:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:53:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:53:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:53:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:53:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-06 23:53:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-06 23:53:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-06 23:53:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-11-06 23:53:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:53:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-06 23:53:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-06 23:53:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-11-06 23:53:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-11-06 23:53:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:53:34,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326428794] [2020-11-06 23:53:34,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:53:34,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 23:53:34,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904142795] [2020-11-06 23:53:34,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 23:53:34,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:53:34,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 23:53:34,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-06 23:53:34,839 INFO L87 Difference]: Start difference. First operand 724 states and 779 transitions. Second operand 9 states. [2020-11-06 23:53:36,108 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:53:42,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:53:42,858 INFO L93 Difference]: Finished difference Result 1710 states and 2117 transitions. [2020-11-06 23:53:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-11-06 23:53:42,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-11-06 23:53:42,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:53:42,873 INFO L225 Difference]: With dead ends: 1710 [2020-11-06 23:53:42,873 INFO L226 Difference]: Without dead ends: 1706 [2020-11-06 23:53:42,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=297, Invalid=963, Unknown=0, NotChecked=0, Total=1260 [2020-11-06 23:53:42,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-11-06 23:53:43,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1046. [2020-11-06 23:53:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-11-06 23:53:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1127 transitions. [2020-11-06 23:53:43,426 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1127 transitions. Word has length 211 [2020-11-06 23:53:43,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:53:43,427 INFO L481 AbstractCegarLoop]: Abstraction has 1046 states and 1127 transitions. [2020-11-06 23:53:43,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 23:53:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1127 transitions. [2020-11-06 23:53:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-11-06 23:53:43,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 23:53:43,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 23:53:43,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-06 23:53:43,432 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 23:53:43,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 23:53:43,433 INFO L82 PathProgramCache]: Analyzing trace with hash -425266406, now seen corresponding path program 1 times [2020-11-06 23:53:43,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-06 23:53:43,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779485188] [2020-11-06 23:53:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 23:53:44,198 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2020-11-06 23:53:44,475 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-06 23:53:45,745 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 189 DAG size of output: 178 [2020-11-06 23:53:47,005 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:48,270 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:49,573 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 189 DAG size of output: 178 [2020-11-06 23:53:50,824 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:52,092 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:53,369 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:54,605 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2020-11-06 23:53:54,610 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-11-06 23:53:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:55,906 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 23:53:55,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 23:53:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:55,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-06 23:53:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:55,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-06 23:53:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:55,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 23:53:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:55,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-06 23:53:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:56,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 23:53:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:56,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-11-06 23:53:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:56,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-06 23:53:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:56,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-11-06 23:53:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:56,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 23:53:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:56,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-11-06 23:53:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:56,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-11-06 23:53:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 23:53:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 23:53:59,566 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-11-06 23:53:59,799 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-06 23:54:00,036 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-06 23:54:00,417 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-11-06 23:54:00,663 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-06 23:54:01,019 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-06 23:54:01,253 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-11-06 23:54:01,498 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-06 23:54:01,749 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-06 23:54:02,143 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-06 23:54:02,404 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-06 23:54:02,811 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-06 23:54:03,094 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-06 23:54:03,382 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-06 23:54:03,851 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-11-06 23:54:04,149 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-06 23:54:04,615 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-11-06 23:54:04,914 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-11-06 23:54:05,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779485188] [2020-11-06 23:54:05,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 23:54:05,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2020-11-06 23:54:05,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626282758] [2020-11-06 23:54:05,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 60 states [2020-11-06 23:54:05,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-06 23:54:05,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2020-11-06 23:54:05,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=640, Invalid=3142, Unknown=0, NotChecked=0, Total=3782 [2020-11-06 23:54:05,387 INFO L87 Difference]: Start difference. First operand 1046 states and 1127 transitions. Second operand 60 states. [2020-11-06 23:54:06,715 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:54:08,098 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:54:08,938 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-06 23:54:09,810 WARN L194 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-06 23:54:10,664 WARN L194 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-06 23:54:12,371 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 222 DAG size of output: 220 [2020-11-06 23:54:14,357 WARN L194 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-11-06 23:54:15,428 WARN L194 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-11-06 23:54:16,709 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:54:17,480 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 23:54:19,493 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-11-06 23:54:21,188 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-11-06 23:54:22,322 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 236 [2020-11-06 23:54:24,081 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 237 [2020-11-06 23:54:26,168 WARN L194 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-11-06 23:54:27,366 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 239 [2020-11-06 23:54:28,586 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 241 [2020-11-06 23:54:29,971 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 241 [2020-11-06 23:54:31,421 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 243 [2020-11-06 23:54:32,769 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 241 [2020-11-06 23:54:34,364 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 243 [2020-11-06 23:54:35,818 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 245 [2020-11-06 23:54:37,300 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 247 [2020-11-06 23:54:38,929 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 247 [2020-11-06 23:54:40,624 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 249 [2020-11-06 23:54:42,150 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 247 [2020-11-06 23:54:42,774 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-11-06 23:54:44,174 WARN L194 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:54:45,422 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 247 [2020-11-06 23:54:46,469 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:54:47,280 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 23:54:48,696 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 249 [2020-11-06 23:54:50,079 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 251 [2020-11-06 23:54:50,947 WARN L194 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:54:52,642 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 251 [2020-11-06 23:54:54,288 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 253 [2020-11-06 23:54:55,883 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 251 [2020-11-06 23:54:56,705 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:54:57,881 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-11-06 23:54:58,135 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-11-06 23:54:58,953 WARN L194 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 23:55:00,406 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 253 [2020-11-06 23:55:02,209 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 255 [2020-11-06 23:55:02,531 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-11-06 23:55:02,791 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-11-06 23:55:05,269 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 255 [2020-11-06 23:55:06,170 WARN L194 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-06 23:55:07,135 WARN L194 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-06 23:55:07,438 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-11-06 23:55:07,643 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-11-06 23:55:08,449 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 23:55:10,212 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 257 [2020-11-06 23:55:11,861 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 255 [2020-11-06 23:55:12,898 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 23:55:14,531 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 256 [2020-11-06 23:55:15,075 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 23:55:15,967 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 23:55:16,827 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-11-06 23:55:17,489 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-06 23:55:22,913 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 23:55:23,880 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 23:55:25,192 WARN L194 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-06 23:55:26,014 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:55:26,933 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-06 23:55:27,841 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 23:55:29,772 WARN L194 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-06 23:55:30,807 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-11-06 23:55:32,294 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 23:55:33,319 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 23:55:34,992 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-11-06 23:55:36,417 WARN L194 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-11-06 23:55:37,555 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 235 [2020-11-06 23:55:41,705 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 237 DAG size of output: 235 [2020-11-06 23:55:42,650 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-06 23:55:43,500 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 23:55:46,653 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 259 DAG size of output: 257 [2020-11-06 23:55:53,959 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-11-06 23:55:54,582 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-11-06 23:55:54,956 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-11-06 23:55:56,681 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-11-06 23:55:56,954 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-11-06 23:55:57,278 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-11-06 23:55:57,540 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-11-06 23:55:58,255 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-06 23:55:59,716 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-11-06 23:55:59,959 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-11-06 23:56:00,373 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-11-06 23:56:01,043 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-11-06 23:56:01,295 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-11-06 23:56:09,541 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-11-06 23:56:09,927 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-11-06 23:56:10,272 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-11-06 23:56:10,559 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-11-06 23:56:10,804 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-11-06 23:56:15,563 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-11-06 23:56:15,848 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-11-06 23:56:21,913 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-06 23:56:22,138 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-11-06 23:56:23,717 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-06 23:56:25,147 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-06 23:56:25,930 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-11-06 23:56:26,203 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-11-06 23:56:28,343 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-11-06 23:56:30,598 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-11-06 23:56:30,829 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-11-06 23:56:31,246 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-11-06 23:56:31,516 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-11-06 23:56:32,546 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-11-06 23:56:32,878 WARN L194 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-06 23:56:33,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 23:56:33,508 INFO L93 Difference]: Finished difference Result 6173 states and 8637 transitions. [2020-11-06 23:56:33,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 430 states. [2020-11-06 23:56:33,510 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 273 [2020-11-06 23:56:33,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 23:56:33,513 INFO L225 Difference]: With dead ends: 6173 [2020-11-06 23:56:33,513 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 23:56:33,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 199 SyntacticMatches, 17 SemanticMatches, 470 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101420 ImplicationChecksByTransitivity, 122.8s TimeCoverageRelationStatistics Valid=16947, Invalid=205365, Unknown=0, NotChecked=0, Total=222312 [2020-11-06 23:56:33,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 23:56:33,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 23:56:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 23:56:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 23:56:33,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-11-06 23:56:33,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 23:56:33,577 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 23:56:33,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 60 states. [2020-11-06 23:56:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 23:56:33,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 23:56:33,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-06 23:56:33,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 23:56:33,946 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:34,233 WARN L194 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:34,540 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:35,002 WARN L194 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:35,280 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:35,581 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:35,843 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:36,125 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-11-06 23:56:36,480 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 296 [2020-11-06 23:56:36,689 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:36,933 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:37,116 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:37,315 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:37,670 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:37,973 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:38,122 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:38,275 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:38,454 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:38,619 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:38,777 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:38,949 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:39,123 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:39,332 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:39,513 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 297 [2020-11-06 23:56:39,657 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:39,796 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:40,089 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:40,238 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:40,375 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:40,488 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:40,645 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:40,885 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:40,998 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:41,157 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:41,296 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:41,407 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:41,587 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:41,741 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:41,883 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 297 [2020-11-06 23:56:42,009 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 296 [2020-11-06 23:56:42,390 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:42,543 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:42,682 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:42,828 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:43,014 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:43,202 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:43,334 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:43,462 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-11-06 23:56:43,592 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:43,716 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-11-06 23:56:43,828 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:43,959 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:44,126 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:44,237 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:44,401 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:44,526 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:44,657 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:44,939 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 296 [2020-11-06 23:56:45,106 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:45,274 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-11-06 23:56:45,401 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-11-06 23:56:45,556 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 296 [2020-11-06 23:56:45,667 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:45,845 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:45,990 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:46,159 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 297 [2020-11-06 23:56:46,292 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:46,401 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:46,514 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:46,626 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:46,739 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:46,851 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:47,013 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:47,144 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:47,268 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 297 [2020-11-06 23:56:47,381 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:47,658 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 297 [2020-11-06 23:56:47,783 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:47,905 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:48,055 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 296 [2020-11-06 23:56:48,178 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-11-06 23:56:48,291 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:48,419 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:48,532 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:48,682 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-11-06 23:56:48,794 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:48,934 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:49,047 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:49,172 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:49,435 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:49,560 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:49,671 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:49,784 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:49,912 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:50,038 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:50,214 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:50,509 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:50,619 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:50,777 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:50,895 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:51,007 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-11-06 23:56:51,149 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:51,294 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:51,453 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 297 [2020-11-06 23:56:51,716 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-11-06 23:56:51,843 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:51,999 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:52,125 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:52,252 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 296 [2020-11-06 23:56:52,408 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 296 [2020-11-06 23:56:52,519 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:52,649 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 296 [2020-11-06 23:56:52,760 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:52,873 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:52,983 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:56:53,098 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:53,313 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:53,471 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:53,643 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:53,765 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:53,907 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:54,144 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:54,260 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:54,432 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:54,566 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:54,763 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 223 [2020-11-06 23:56:54,890 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-11-06 23:56:55,005 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:55,134 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 232 [2020-11-06 23:56:55,246 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2020-11-06 23:56:55,395 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 220 [2020-11-06 23:56:55,534 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 224 [2020-11-06 23:57:00,026 WARN L194 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 650 DAG size of output: 488 [2020-11-06 23:57:11,870 WARN L194 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 695 DAG size of output: 512 [2020-11-06 23:57:19,819 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 562 DAG size of output: 431 [2020-11-06 23:57:23,864 WARN L194 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 650 DAG size of output: 488 [2020-11-06 23:57:32,398 WARN L194 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 652 DAG size of output: 490 [2020-11-06 23:57:40,998 WARN L194 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 645 DAG size of output: 385 [2020-11-06 23:57:42,299 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 510 DAG size of output: 302 [2020-11-06 23:57:46,068 WARN L194 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 645 DAG size of output: 385 [2020-11-06 23:57:48,993 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 560 DAG size of output: 429 [2020-11-06 23:57:51,722 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 562 DAG size of output: 431 [2020-11-06 23:58:01,471 WARN L194 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 645 DAG size of output: 385 [2020-11-06 23:58:05,271 WARN L194 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 650 DAG size of output: 488 [2020-11-06 23:58:08,522 WARN L194 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 649 DAG size of output: 393 [2020-11-06 23:58:09,780 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 477 DAG size of output: 291 [2020-11-06 23:58:17,270 WARN L194 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 650 DAG size of output: 488 [2020-11-06 23:58:21,090 WARN L194 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 650 DAG size of output: 488 [2020-11-06 23:58:25,287 WARN L194 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 650 DAG size of output: 488 [2020-11-06 23:58:25,418 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:25,527 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:25,649 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:25,773 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:25,885 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:25,994 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:26,101 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:26,222 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:26,334 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 248 [2020-11-06 23:58:26,440 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:26,570 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:26,676 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:26,785 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:26,943 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:27,125 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:27,251 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:27,374 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:27,522 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:27,626 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:27,755 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:27,908 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:28,070 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:28,221 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:28,381 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:28,518 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:28,652 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:28,871 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:29,018 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:29,141 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:29,248 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:29,400 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:29,592 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:29,701 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:29,850 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:29,983 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:30,089 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:30,231 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:30,377 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:30,490 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-06 23:58:30,604 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:30,854 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:30,980 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:31,113 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:31,261 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:31,390 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:31,520 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:31,648 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:31,772 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:31,897 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:32,021 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:32,127 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:32,256 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:32,384 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:32,492 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:32,644 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:32,764 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:32,888 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:33,098 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:33,250 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:33,403 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:33,527 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:33,664 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 248 [2020-11-06 23:58:33,771 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:33,878 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:33,984 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:34,097 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-06 23:58:34,207 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:34,318 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:34,437 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:34,555 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:34,660 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:34,769 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:34,891 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:35,020 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:35,137 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:35,242 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:35,460 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-06 23:58:35,587 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:35,711 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:35,825 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:35,949 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:36,054 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:36,177 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:36,282 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:36,425 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:36,531 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:36,667 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:36,778 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:36,888 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:37,119 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:37,241 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:37,351 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:37,462 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:37,588 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:37,720 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:37,879 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:38,148 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:38,254 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:38,400 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:38,509 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:38,619 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:38,753 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:38,885 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:39,025 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-06 23:58:39,256 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:39,379 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:39,528 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:39,659 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:39,776 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:39,914 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:40,020 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:40,137 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:40,243 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:40,351 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:40,460 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:40,567 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:40,763 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:40,912 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:41,066 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:41,189 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:41,326 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:41,528 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:41,636 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:41,788 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:41,911 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:42,096 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:42,218 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:42,324 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:42,448 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:42,554 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:42,698 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:42,830 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:45,588 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 560 DAG size of output: 429 [2020-11-06 23:58:49,363 WARN L194 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 646 DAG size of output: 484 [2020-11-06 23:58:53,623 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:53,737 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:53,863 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:53,990 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:54,100 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:54,207 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:54,312 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:54,431 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:58:54,543 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 248 [2020-11-06 23:58:54,652 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:54,784 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:54,893 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:55,011 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:55,176 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:55,359 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:55,485 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:55,609 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:55,760 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:55,867 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:56,000 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:56,155 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:56,315 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:56,461 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:56,623 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:56,756 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:58:56,890 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:57,117 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:57,265 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:57,390 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:57,497 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:57,648 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:57,824 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:57,931 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:58,078 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:58,210 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:58,315 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:58:58,450 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:58,599 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:58,715 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-06 23:58:58,830 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:58:59,079 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:59,203 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:58:59,334 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:59,483 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:58:59,613 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:58:59,743 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:58:59,868 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:58:59,990 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:59:00,122 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:00,248 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:59:00,354 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:00,481 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:59:00,643 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:00,748 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:00,898 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:59:01,021 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:01,148 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:01,356 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:59:01,508 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:01,665 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:59:01,787 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:59:01,923 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 248 [2020-11-06 23:59:02,031 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:02,142 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:02,254 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:02,370 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-06 23:59:02,479 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:02,585 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:59:02,692 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:02,805 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:59:02,912 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:59:03,025 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:59:03,155 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:59:03,281 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:03,393 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:59:03,500 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:59:03,716 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-06 23:59:03,843 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:59:03,967 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:04,081 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:59:04,202 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:59:04,308 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:04,432 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:04,542 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:59:04,689 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:59:04,796 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:04,930 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:59:05,037 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:59:05,143 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:05,375 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:05,497 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:05,609 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:59:05,717 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:59:05,842 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:05,969 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:59:06,126 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:59:06,393 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:59:06,503 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:06,653 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:06,765 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:59:06,879 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-11-06 23:59:07,016 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:07,148 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:07,290 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 250 [2020-11-06 23:59:07,522 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 229 [2020-11-06 23:59:07,644 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:07,792 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:07,913 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:08,028 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:59:08,172 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:59:08,278 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:08,397 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-06 23:59:08,505 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:59:08,611 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:08,718 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:08,824 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:59:09,019 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:09,168 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:09,323 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:09,445 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:09,575 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:09,778 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:09,885 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:10,041 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:10,165 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:10,350 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 221 [2020-11-06 23:59:10,471 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 227 [2020-11-06 23:59:10,579 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:10,705 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 230 [2020-11-06 23:59:10,813 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 222 [2020-11-06 23:59:10,960 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-06 23:59:11,091 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 222 [2020-11-06 23:59:23,041 WARN L194 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 652 DAG size of output: 490 [2020-11-06 23:59:24,414 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 475 DAG size of output: 349 [2020-11-06 23:59:27,333 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 556 DAG size of output: 425 [2020-11-06 23:59:36,504 WARN L194 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 265 DAG size of output: 80 [2020-11-06 23:59:38,567 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 227 DAG size of output: 8 [2020-11-06 23:59:40,361 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 278 DAG size of output: 89 [2020-11-06 23:59:47,881 WARN L194 SmtUtils]: Spent 7.51 s on a formula simplification. DAG size of input: 427 DAG size of output: 29 [2020-11-06 23:59:48,607 WARN L194 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-11-06 23:59:54,710 WARN L194 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 217 DAG size of output: 63 [2020-11-06 23:59:57,698 WARN L194 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 193 DAG size of output: 25 [2020-11-07 00:00:01,936 WARN L194 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 264 DAG size of output: 78 [2020-11-07 00:00:11,663 WARN L194 SmtUtils]: Spent 9.50 s on a formula simplification. DAG size of input: 241 DAG size of output: 74 [2020-11-07 00:00:13,264 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 208 DAG size of output: 13 [2020-11-07 00:00:15,172 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 278 DAG size of output: 89 [2020-11-07 00:00:20,458 WARN L194 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 246 DAG size of output: 75 [2020-11-07 00:00:26,215 WARN L194 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 215 DAG size of output: 57 [2020-11-07 00:00:27,031 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-11-07 00:00:28,457 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 212 DAG size of output: 16 [2020-11-07 00:00:33,152 WARN L194 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 221 DAG size of output: 19 [2020-11-07 00:00:34,695 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 219 DAG size of output: 14 [2020-11-07 00:00:35,558 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:00:44,304 WARN L194 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 450 DAG size of output: 29 [2020-11-07 00:00:45,853 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 244 DAG size of output: 14 [2020-11-07 00:00:55,250 WARN L194 SmtUtils]: Spent 9.39 s on a formula simplification. DAG size of input: 245 DAG size of output: 77 [2020-11-07 00:00:56,009 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-11-07 00:00:56,753 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:00:57,495 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:00:58,155 WARN L194 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-11-07 00:00:59,070 WARN L194 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 00:00:59,794 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-11-07 00:01:00,883 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 98 DAG size of output: 41 [2020-11-07 00:01:01,607 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-11-07 00:01:08,273 WARN L194 SmtUtils]: Spent 6.63 s on a formula simplification. DAG size of input: 267 DAG size of output: 96 [2020-11-07 00:01:12,887 WARN L194 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 365 DAG size of output: 29 [2020-11-07 00:01:13,824 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 00:01:21,322 WARN L194 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 427 DAG size of output: 29 [2020-11-07 00:01:22,069 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-11-07 00:01:23,648 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 261 DAG size of output: 11 [2020-11-07 00:01:28,023 WARN L194 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 229 DAG size of output: 54 [2020-11-07 00:01:28,469 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 45 [2020-11-07 00:01:29,268 WARN L194 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-11-07 00:01:31,538 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 259 DAG size of output: 8 [2020-11-07 00:01:41,966 WARN L194 SmtUtils]: Spent 10.33 s on a formula simplification. DAG size of input: 234 DAG size of output: 65 [2020-11-07 00:01:42,688 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:01:43,364 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-11-07 00:01:47,388 WARN L194 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 197 DAG size of output: 29 [2020-11-07 00:01:48,011 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2020-11-07 00:01:55,571 WARN L194 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 429 DAG size of output: 29 [2020-11-07 00:01:56,365 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:02:00,554 WARN L194 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 258 DAG size of output: 87 [2020-11-07 00:02:02,166 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 228 DAG size of output: 7 [2020-11-07 00:02:02,942 WARN L194 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-11-07 00:02:04,649 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 237 DAG size of output: 15 [2020-11-07 00:02:08,801 WARN L194 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 326 DAG size of output: 43 [2020-11-07 00:02:10,334 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 253 DAG size of output: 32 [2020-11-07 00:02:13,017 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 217 DAG size of output: 13 [2020-11-07 00:02:16,948 WARN L194 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 326 DAG size of output: 43 [2020-11-07 00:02:17,753 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-11-07 00:02:21,889 WARN L194 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 250 DAG size of output: 89 [2020-11-07 00:02:26,728 WARN L194 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 363 DAG size of output: 29 [2020-11-07 00:02:31,446 WARN L194 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 365 DAG size of output: 29 [2020-11-07 00:02:39,830 WARN L194 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 213 DAG size of output: 11 [2020-11-07 00:02:42,011 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 227 DAG size of output: 8 [2020-11-07 00:02:43,582 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 241 DAG size of output: 11 [2020-11-07 00:02:46,932 WARN L194 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 219 DAG size of output: 17 [2020-11-07 00:02:48,891 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 255 DAG size of output: 71 [2020-11-07 00:02:54,343 WARN L194 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 246 DAG size of output: 75 [2020-11-07 00:03:00,379 WARN L194 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 227 DAG size of output: 70 [2020-11-07 00:03:01,114 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-11-07 00:03:03,397 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 259 DAG size of output: 8 [2020-11-07 00:03:06,711 WARN L194 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 253 DAG size of output: 88 [2020-11-07 00:03:08,157 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 258 DAG size of output: 8 [2020-11-07 00:03:08,912 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-11-07 00:03:10,553 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 261 DAG size of output: 11 [2020-11-07 00:03:20,841 WARN L194 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 237 DAG size of output: 69 [2020-11-07 00:03:24,385 WARN L194 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 219 DAG size of output: 17 [2020-11-07 00:03:28,301 WARN L194 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 326 DAG size of output: 43 [2020-11-07 00:03:29,139 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 33 [2020-11-07 00:03:36,847 WARN L194 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 427 DAG size of output: 29 [2020-11-07 00:03:37,605 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-11-07 00:03:41,772 WARN L194 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 328 DAG size of output: 47 [2020-11-07 00:03:42,584 WARN L194 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-11-07 00:03:43,943 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 233 DAG size of output: 32 [2020-11-07 00:03:53,221 WARN L194 SmtUtils]: Spent 9.27 s on a formula simplification. DAG size of input: 241 DAG size of output: 73 [2020-11-07 00:03:54,604 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 159 DAG size of output: 13 [2020-11-07 00:03:56,275 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 159 DAG size of output: 13 [2020-11-07 00:03:57,069 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-11-07 00:03:57,876 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:03:58,627 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:04:00,173 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 223 DAG size of output: 12 [2020-11-07 00:04:02,499 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 259 DAG size of output: 8 [2020-11-07 00:04:07,266 WARN L194 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 267 DAG size of output: 81 [2020-11-07 00:04:11,889 WARN L194 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 264 DAG size of output: 78 [2020-11-07 00:04:16,487 WARN L194 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 264 DAG size of output: 78 [2020-11-07 00:04:27,421 WARN L194 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 234 DAG size of output: 65 [2020-11-07 00:04:35,151 WARN L194 SmtUtils]: Spent 7.66 s on a formula simplification. DAG size of input: 427 DAG size of output: 29 [2020-11-07 00:04:42,960 WARN L194 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 427 DAG size of output: 29 [2020-11-07 00:04:53,133 WARN L194 SmtUtils]: Spent 10.17 s on a formula simplification. DAG size of input: 231 DAG size of output: 66 [2020-11-07 00:04:53,895 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:05:01,411 WARN L194 SmtUtils]: Spent 7.51 s on a formula simplification. DAG size of input: 427 DAG size of output: 29 [2020-11-07 00:05:07,834 WARN L194 SmtUtils]: Spent 6.39 s on a formula simplification. DAG size of input: 246 DAG size of output: 19 [2020-11-07 00:05:12,660 WARN L194 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 363 DAG size of output: 29 [2020-11-07 00:05:13,446 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:05:14,232 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-11-07 00:05:21,848 WARN L194 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 423 DAG size of output: 29