/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:19:17,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:19:17,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:19:17,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:19:17,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:19:17,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:19:17,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:19:17,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:19:17,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:19:17,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:19:17,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:19:17,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:19:17,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:19:17,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:19:17,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:19:17,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:19:17,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:19:17,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:19:17,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:19:17,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:19:17,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:19:17,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:19:17,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:19:17,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:19:17,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:19:17,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:19:17,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:19:17,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:19:17,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:19:17,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:19:17,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:19:17,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:19:17,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:19:17,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:19:17,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:19:17,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:19:17,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:19:17,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:19:17,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:19:17,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:19:17,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:19:17,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:19:17,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:19:17,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:19:17,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:19:17,526 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:19:17,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:19:17,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:19:17,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:19:17,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:19:17,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:19:17,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:19:17,528 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:19:17,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:19:17,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:19:17,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:19:17,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:19:17,530 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:19:17,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:19:17,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:19:17,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:19:17,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:19:17,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:19:17,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:19:17,531 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:19:17,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:19:17,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:19:17,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:19:17,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:19:17,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:19:17,919 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:19:17,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-22 01:19:18,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567451c6f/a560649511c84be591aed053096d8d42/FLAGadc331ea7 [2021-02-22 01:19:18,645 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:19:18,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-22 01:19:18,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567451c6f/a560649511c84be591aed053096d8d42/FLAGadc331ea7 [2021-02-22 01:19:18,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567451c6f/a560649511c84be591aed053096d8d42 [2021-02-22 01:19:18,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:19:18,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:19:18,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:19:18,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:19:18,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:19:18,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:19:18" (1/1) ... [2021-02-22 01:19:18,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e46d90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:18, skipping insertion in model container [2021-02-22 01:19:18,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:19:18" (1/1) ... [2021-02-22 01:19:18,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:19:19,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:19:19,345 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c[16774,16787] [2021-02-22 01:19:19,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:19:19,398 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:19:19,537 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c[16774,16787] [2021-02-22 01:19:19,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:19:19,607 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:19:19,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19 WrapperNode [2021-02-22 01:19:19,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:19:19,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:19:19,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:19:19,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:19:19,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (1/1) ... [2021-02-22 01:19:19,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (1/1) ... [2021-02-22 01:19:19,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (1/1) ... [2021-02-22 01:19:19,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (1/1) ... [2021-02-22 01:19:19,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (1/1) ... [2021-02-22 01:19:19,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (1/1) ... [2021-02-22 01:19:19,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (1/1) ... [2021-02-22 01:19:19,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:19:19,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:19:19,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:19:19,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:19:19,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (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 [2021-02-22 01:19:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:19:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:19:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 01:19:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:19:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 01:19:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 01:19:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 01:19:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 01:19:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 01:19:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 01:19:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 01:19:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 01:19:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 01:19:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-22 01:19:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-22 01:19:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-22 01:19:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 01:19:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 01:19:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 01:19:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 01:19:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 01:19:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 01:19:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 01:19:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-22 01:19:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-22 01:19:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-22 01:19:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 01:19:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 01:19:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 01:19:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 01:19:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:19:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 01:19:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 01:19:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 01:19:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 01:19:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 01:19:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 01:19:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 01:19:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 01:19:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 01:19:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 01:19:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 01:19:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-22 01:19:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:19:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:19:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:19:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:19:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:19:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 01:19:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 01:19:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 01:19:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 01:19:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-22 01:19:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 01:19:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 01:19:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 01:19:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 01:19:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 01:19:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-22 01:19:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-22 01:19:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-22 01:19:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-22 01:19:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 01:19:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 01:19:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-22 01:19:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 01:19:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 01:19:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 01:19:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 01:19:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 01:19:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 01:19:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:19:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:19:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 01:19:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:19:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:19:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:19:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:19:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 01:19:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:19:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 01:19:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 01:19:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:19:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 01:19:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 01:19:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 01:19:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 01:19:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 01:19:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-22 01:19:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 01:19:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 01:19:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 01:19:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 01:19:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 01:19:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 01:19:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:19:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 01:19:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:19:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:19:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:19:21,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:19:21,112 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 01:19:21,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:19:21 BoogieIcfgContainer [2021-02-22 01:19:21,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:19:21,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:19:21,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:19:21,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:19:21,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:19:18" (1/3) ... [2021-02-22 01:19:21,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5410a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:19:21, skipping insertion in model container [2021-02-22 01:19:21,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:19:19" (2/3) ... [2021-02-22 01:19:21,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5410a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:19:21, skipping insertion in model container [2021-02-22 01:19:21,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:19:21" (3/3) ... [2021-02-22 01:19:21,124 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-02-22 01:19:21,131 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:19:21,136 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:19:21,152 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:19:21,172 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:19:21,172 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:19:21,172 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:19:21,172 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:19:21,172 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:19:21,173 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:19:21,173 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:19:21,173 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:19:21,196 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2021-02-22 01:19:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-22 01:19:21,217 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:19:21,218 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:19:21,219 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:19:21,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:19:21,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1631473396, now seen corresponding path program 1 times [2021-02-22 01:19:21,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:19:21,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292040724] [2021-02-22 01:19:21,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:19:21,311 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:19:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:21,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:21,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:21,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:21,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,005 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:19:22,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:19:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:19:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:19:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:19:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:19:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-22 01:19:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-22 01:19:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-22 01:19:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:22,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:22,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:19:22,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292040724] [2021-02-22 01:19:22,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:19:22,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:19:22,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917971751] [2021-02-22 01:19:22,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:19:22,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:19:22,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:19:22,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:19:22,281 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2021-02-22 01:19:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:19:23,931 INFO L93 Difference]: Finished difference Result 526 states and 618 transitions. [2021-02-22 01:19:23,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-22 01:19:23,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-22 01:19:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:19:23,952 INFO L225 Difference]: With dead ends: 526 [2021-02-22 01:19:23,953 INFO L226 Difference]: Without dead ends: 332 [2021-02-22 01:19:23,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:19:23,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-22 01:19:24,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2021-02-22 01:19:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-22 01:19:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 308 transitions. [2021-02-22 01:19:24,213 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 308 transitions. Word has length 165 [2021-02-22 01:19:24,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:19:24,215 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 308 transitions. [2021-02-22 01:19:24,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:19:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 308 transitions. [2021-02-22 01:19:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-22 01:19:24,233 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:19:24,233 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:19:24,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:19:24,234 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:19:24,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:19:24,237 INFO L82 PathProgramCache]: Analyzing trace with hash -858118948, now seen corresponding path program 1 times [2021-02-22 01:19:24,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:19:24,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466854161] [2021-02-22 01:19:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:19:24,249 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:19:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:24,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,695 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:19:24,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:19:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:19:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:19:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:19:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:19:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:19:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-22 01:19:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:19:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:24,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:24,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:19:24,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466854161] [2021-02-22 01:19:24,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:19:24,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 01:19:24,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361310375] [2021-02-22 01:19:24,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 01:19:24,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:19:24,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 01:19:24,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 01:19:24,861 INFO L87 Difference]: Start difference. First operand 283 states and 308 transitions. Second operand 5 states. [2021-02-22 01:19:25,706 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:27,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:19:27,004 INFO L93 Difference]: Finished difference Result 444 states and 501 transitions. [2021-02-22 01:19:27,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 01:19:27,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-22 01:19:27,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:19:27,010 INFO L225 Difference]: With dead ends: 444 [2021-02-22 01:19:27,010 INFO L226 Difference]: Without dead ends: 321 [2021-02-22 01:19:27,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-22 01:19:27,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-02-22 01:19:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2021-02-22 01:19:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-22 01:19:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2021-02-22 01:19:27,139 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 166 [2021-02-22 01:19:27,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:19:27,142 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2021-02-22 01:19:27,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 01:19:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2021-02-22 01:19:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-22 01:19:27,145 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:19:27,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:19:27,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:19:27,146 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:19:27,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:19:27,151 INFO L82 PathProgramCache]: Analyzing trace with hash 567614448, now seen corresponding path program 1 times [2021-02-22 01:19:27,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:19:27,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1371059685] [2021-02-22 01:19:27,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:19:27,157 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:19:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:27,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:27,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:19:27,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,617 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:19:27,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:19:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:19:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:19:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:19:27,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:19:27,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:19:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:19:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:19:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:27,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:19:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-22 01:19:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-22 01:19:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:27,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:27,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:19:27,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1371059685] [2021-02-22 01:19:27,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:19:27,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:19:27,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468451706] [2021-02-22 01:19:27,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:19:27,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:19:27,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:19:27,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:19:27,875 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 11 states. [2021-02-22 01:19:28,515 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:19:28,957 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:19:29,383 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:19:29,795 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:19:30,184 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:19:30,570 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:19:31,877 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:19:34,581 INFO L93 Difference]: Finished difference Result 746 states and 868 transitions. [2021-02-22 01:19:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-22 01:19:34,581 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-22 01:19:34,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:19:34,587 INFO L225 Difference]: With dead ends: 746 [2021-02-22 01:19:34,587 INFO L226 Difference]: Without dead ends: 593 [2021-02-22 01:19:34,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-22 01:19:34,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-02-22 01:19:34,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 494. [2021-02-22 01:19:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2021-02-22 01:19:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 554 transitions. [2021-02-22 01:19:34,813 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 554 transitions. Word has length 179 [2021-02-22 01:19:34,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:19:34,814 INFO L480 AbstractCegarLoop]: Abstraction has 494 states and 554 transitions. [2021-02-22 01:19:34,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:19:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 554 transitions. [2021-02-22 01:19:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-22 01:19:34,818 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:19:34,818 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:19:34,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:19:34,819 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:19:34,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:19:34,819 INFO L82 PathProgramCache]: Analyzing trace with hash -412837419, now seen corresponding path program 1 times [2021-02-22 01:19:34,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:19:34,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112398161] [2021-02-22 01:19:34,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:19:34,823 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:19:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:34,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:34,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:34,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:34,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:34,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:34,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:34,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:34,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:34,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:34,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,338 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:19:35,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:35,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:19:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:19:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:19:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:19:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:19:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 01:19:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:35,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-22 01:19:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-22 01:19:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-22 01:19:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:35,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:35,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:35,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:35,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-22 01:19:35,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112398161] [2021-02-22 01:19:35,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:19:35,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 01:19:35,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975661052] [2021-02-22 01:19:35,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 01:19:35,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:19:35,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 01:19:35,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-22 01:19:35,608 INFO L87 Difference]: Start difference. First operand 494 states and 554 transitions. Second operand 10 states. [2021-02-22 01:19:36,210 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:19:37,247 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:19:37,633 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:19:38,836 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:19:39,219 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:19:39,637 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:40,025 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:19:40,500 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:19:40,841 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:19:41,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:19:41,838 INFO L93 Difference]: Finished difference Result 1133 states and 1360 transitions. [2021-02-22 01:19:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-22 01:19:41,838 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-22 01:19:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:19:41,849 INFO L225 Difference]: With dead ends: 1133 [2021-02-22 01:19:41,850 INFO L226 Difference]: Without dead ends: 759 [2021-02-22 01:19:41,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-22 01:19:41,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2021-02-22 01:19:42,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 666. [2021-02-22 01:19:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2021-02-22 01:19:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 750 transitions. [2021-02-22 01:19:42,135 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 750 transitions. Word has length 184 [2021-02-22 01:19:42,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:19:42,136 INFO L480 AbstractCegarLoop]: Abstraction has 666 states and 750 transitions. [2021-02-22 01:19:42,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-22 01:19:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 750 transitions. [2021-02-22 01:19:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-22 01:19:42,140 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:19:42,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:19:42,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 01:19:42,141 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:19:42,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:19:42,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1003651235, now seen corresponding path program 1 times [2021-02-22 01:19:42,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:19:42,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518201898] [2021-02-22 01:19:42,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:19:42,145 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:19:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,527 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:19:42,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:19:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:19:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:19:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:19:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:19:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:19:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:19:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:19:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:19:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:42,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:42,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:19:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:19:42,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:19:42,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:19:42,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:19:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:19:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-22 01:19:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-22 01:19:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:42,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:42,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:19:42,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518201898] [2021-02-22 01:19:42,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:19:42,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:19:42,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183833720] [2021-02-22 01:19:42,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:19:42,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:19:42,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:19:42,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:19:42,772 INFO L87 Difference]: Start difference. First operand 666 states and 750 transitions. Second operand 11 states. [2021-02-22 01:19:44,524 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:19:44,972 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:19:45,421 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:19:45,808 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:46,201 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:19:46,583 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:47,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:19:47,913 INFO L93 Difference]: Finished difference Result 1420 states and 1704 transitions. [2021-02-22 01:19:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 01:19:47,914 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2021-02-22 01:19:47,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:19:47,920 INFO L225 Difference]: With dead ends: 1420 [2021-02-22 01:19:47,920 INFO L226 Difference]: Without dead ends: 874 [2021-02-22 01:19:47,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-22 01:19:47,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-02-22 01:19:48,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 685. [2021-02-22 01:19:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2021-02-22 01:19:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 770 transitions. [2021-02-22 01:19:48,234 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 770 transitions. Word has length 217 [2021-02-22 01:19:48,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:19:48,235 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 770 transitions. [2021-02-22 01:19:48,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:19:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 770 transitions. [2021-02-22 01:19:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-22 01:19:48,239 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:19:48,239 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:19:48,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 01:19:48,240 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:19:48,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:19:48,240 INFO L82 PathProgramCache]: Analyzing trace with hash 878446851, now seen corresponding path program 1 times [2021-02-22 01:19:48,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:19:48,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113185343] [2021-02-22 01:19:48,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:19:48,244 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:19:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:48,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:48,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,629 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:19:48,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:19:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:19:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:19:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:19:48,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:19:48,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:19:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:19:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:19:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:19:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:19:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:19:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:19:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:48,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:48,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:19:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:48,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:48,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:19:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-22 01:19:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-22 01:19:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:48,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:48,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:19:48,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113185343] [2021-02-22 01:19:48,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:19:48,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-22 01:19:48,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112190463] [2021-02-22 01:19:48,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-22 01:19:48,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:19:48,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-22 01:19:48,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-22 01:19:48,909 INFO L87 Difference]: Start difference. First operand 685 states and 770 transitions. Second operand 14 states. [2021-02-22 01:19:49,657 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:19:50,047 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:19:50,431 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:50,815 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:19:51,179 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:52,510 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:52,904 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:19:53,314 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:53,740 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:19:54,119 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:19:55,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:19:55,926 INFO L93 Difference]: Finished difference Result 1461 states and 1771 transitions. [2021-02-22 01:19:55,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-22 01:19:55,927 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2021-02-22 01:19:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:19:55,933 INFO L225 Difference]: With dead ends: 1461 [2021-02-22 01:19:55,933 INFO L226 Difference]: Without dead ends: 896 [2021-02-22 01:19:55,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-22 01:19:55,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-02-22 01:19:56,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 697. [2021-02-22 01:19:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-02-22 01:19:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 782 transitions. [2021-02-22 01:19:56,222 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 782 transitions. Word has length 217 [2021-02-22 01:19:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:19:56,222 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 782 transitions. [2021-02-22 01:19:56,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-22 01:19:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 782 transitions. [2021-02-22 01:19:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-22 01:19:56,225 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:19:56,226 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:19:56,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 01:19:56,226 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:19:56,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:19:56,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1568940992, now seen corresponding path program 1 times [2021-02-22 01:19:56,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:19:56,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581762003] [2021-02-22 01:19:56,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:19:56,230 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:19:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:56,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:56,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:56,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:56,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:19:56,297 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-22 01:19:56,299 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-22 01:19:56,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,612 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:19:56,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:19:56,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:19:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:19:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:19:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:19:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:19:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:19:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:19:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:19:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:19:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:19:56,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:19:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:19:56,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:19:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:19:56,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:19:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:19:56,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:19:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-22 01:19:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-22 01:19:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:19:56,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:19:56,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:19:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:19:56,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581762003] [2021-02-22 01:19:56,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:19:56,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 01:19:56,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50263809] [2021-02-22 01:19:56,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 01:19:56,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:19:56,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 01:19:56,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 01:19:56,887 INFO L87 Difference]: Start difference. First operand 697 states and 782 transitions. Second operand 8 states. [2021-02-22 01:19:57,478 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:19:58,228 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:20:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:20:01,716 INFO L93 Difference]: Finished difference Result 2230 states and 2731 transitions. [2021-02-22 01:20:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-22 01:20:01,717 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2021-02-22 01:20:01,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:20:01,728 INFO L225 Difference]: With dead ends: 2230 [2021-02-22 01:20:01,728 INFO L226 Difference]: Without dead ends: 1653 [2021-02-22 01:20:01,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2021-02-22 01:20:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2021-02-22 01:20:02,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1385. [2021-02-22 01:20:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2021-02-22 01:20:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1579 transitions. [2021-02-22 01:20:02,324 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1579 transitions. Word has length 217 [2021-02-22 01:20:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:20:02,325 INFO L480 AbstractCegarLoop]: Abstraction has 1385 states and 1579 transitions. [2021-02-22 01:20:02,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 01:20:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1579 transitions. [2021-02-22 01:20:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-22 01:20:02,328 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:20:02,328 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:20:02,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-22 01:20:02,329 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:20:02,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:20:02,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1294702977, now seen corresponding path program 1 times [2021-02-22 01:20:02,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:20:02,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931845476] [2021-02-22 01:20:02,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:20:02,332 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:20:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:02,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:02,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:02,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:02,455 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-22 01:20:02,456 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-22 01:20:02,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:02,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:02,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:02,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,799 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:20:02,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:20:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:20:02,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:20:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:20:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:20:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:20:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:20:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:20:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:02,903 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-22 01:20:02,904 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-22 01:20:02,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:20:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-22 01:20:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:20:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-22 01:20:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:20:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:02,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:02,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:20:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:02,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:03,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:03,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:20:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:03,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:03,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:03,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:20:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:03,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:03,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:03,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-22 01:20:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:03,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:03,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:03,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:03,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:03,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:03,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:03,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-22 01:20:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:03,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:03,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:20:03,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931845476] [2021-02-22 01:20:03,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:20:03,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-22 01:20:03,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24722410] [2021-02-22 01:20:03,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-22 01:20:03,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:20:03,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-22 01:20:03,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-22 01:20:03,107 INFO L87 Difference]: Start difference. First operand 1385 states and 1579 transitions. Second operand 15 states. [2021-02-22 01:20:04,101 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-22 01:20:05,190 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:20:06,826 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-22 01:20:07,597 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-22 01:20:08,076 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:20:08,475 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:20:09,275 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-22 01:20:09,663 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:20:10,105 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:20:10,508 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:20:14,309 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-22 01:20:15,099 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:20:15,490 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:20:16,071 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:20:17,547 WARN L202 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-22 01:20:18,309 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-22 01:20:19,071 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-22 01:20:19,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:20:19,994 INFO L93 Difference]: Finished difference Result 4228 states and 5195 transitions. [2021-02-22 01:20:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-22 01:20:19,995 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2021-02-22 01:20:19,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:20:20,015 INFO L225 Difference]: With dead ends: 4228 [2021-02-22 01:20:20,015 INFO L226 Difference]: Without dead ends: 3244 [2021-02-22 01:20:20,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2021-02-22 01:20:20,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2021-02-22 01:20:21,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 2534. [2021-02-22 01:20:21,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2534 states. [2021-02-22 01:20:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 2870 transitions. [2021-02-22 01:20:21,108 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 2870 transitions. Word has length 222 [2021-02-22 01:20:21,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:20:21,108 INFO L480 AbstractCegarLoop]: Abstraction has 2534 states and 2870 transitions. [2021-02-22 01:20:21,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-22 01:20:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2870 transitions. [2021-02-22 01:20:21,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-02-22 01:20:21,113 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:20:21,114 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:20:21,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-22 01:20:21,114 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:20:21,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:20:21,115 INFO L82 PathProgramCache]: Analyzing trace with hash 392433829, now seen corresponding path program 1 times [2021-02-22 01:20:21,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:20:21,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873676319] [2021-02-22 01:20:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:20:21,214 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-22 01:20:21,234 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-22 01:20:21,243 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-22 01:20:21,248 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-22 01:20:21,290 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:20:21,303 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:20:21,307 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-22 01:20:21,309 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-22 01:20:21,312 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-22 01:20:21,312 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-22 01:20:21,315 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-22 01:20:21,316 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-22 01:20:21,318 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:20:21,320 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:20:21,322 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-22 01:20:21,324 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-22 01:20:21,327 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-22 01:20:21,332 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-22 01:20:21,335 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-22 01:20:21,340 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-22 01:20:21,378 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:20:21,380 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:20:21,382 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-22 01:20:21,384 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-22 01:20:21,386 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-22 01:20:21,387 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-22 01:20:21,389 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-22 01:20:21,389 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-22 01:20:21,391 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:20:21,393 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:20:21,395 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-22 01:20:21,397 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-22 01:20:21,399 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-22 01:20:21,400 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-22 01:20:21,402 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-22 01:20:21,402 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-22 01:20:21,404 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:20:21,406 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:20:21,408 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-22 01:20:21,410 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-22 01:20:21,413 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-22 01:20:21,417 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-22 01:20:21,420 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-22 01:20:21,424 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-22 01:20:21,463 WARN L141 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-02-22 01:20:21,469 INFO L723 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2021-02-22 01:20:21,476 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:21,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:21,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:21,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-22 01:20:21,493 WARN L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-02-22 01:20:21,503 WARN L141 QuantifierPusher]: treesize reduction 11, result has 91.1 percent of original size [2021-02-22 01:20:21,509 WARN L147 QuantifierPusher]: treesize reduction 11, result has 91.1 percent of original size 113 [2021-02-22 01:20:21,511 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-22 01:20:21,512 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-22 01:20:21,514 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-22 01:20:21,514 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-22 01:20:21,516 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:20:21,518 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:20:21,520 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-22 01:20:21,522 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-22 01:20:21,524 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-22 01:20:21,530 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-22 01:20:21,536 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-22 01:20:21,545 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-22 01:20:21,588 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:20:21,591 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:20:21,594 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-22 01:20:21,597 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-22 01:20:21,597 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 01:20:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:21,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:21,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:21,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:21,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:21,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:21,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:20:21,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:21,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,097 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:20:22,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:20:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:20:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:20:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:20:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:20:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:20:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-22 01:20:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 01:20:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:22,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:22,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:20:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:22,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:22,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-22 01:20:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-22 01:20:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:20:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:20:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:20:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:20:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-02-22 01:20:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-02-22 01:20:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:20:22,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:20:22,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:22,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 01:20:22,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:22,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 01:20:22,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:22,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 01:20:22,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:22,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 01:20:22,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:22,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-22 01:20:22,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-02-22 01:20:22,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-02-22 01:20:22,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:22,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:22,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:20:22,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:20:22,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:22,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:22,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:22,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:22,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:20:22,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:22,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:22,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:20:22,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:22,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:20:22,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:22,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:20:22,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:20:22,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:20:22,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:22,773 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-22 01:20:22,774 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-22 01:20:22,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:20:22,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:20:22,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:22,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:22,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:22,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:22,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:20:22,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:22,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:22,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:23,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:23,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:20:23,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:20:23,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:20:23,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:23,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:20:23,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:23,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:23,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:23,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:20:23,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:20:23,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:20:23,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:20:23,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:20:23,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:23,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:20:23,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:23,436 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-22 01:20:23,436 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-22 01:20:23,482 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-22 01:20:23,485 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-22 01:20:23,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:20:23,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:20:23,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:20:23,590 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-22 01:20:23,591 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-22 01:20:23,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:23,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:23,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:23,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:20:23,796 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-22 01:20:23,797 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-22 01:20:23,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:23,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:20:23,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:23,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:23,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:23,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:20:24,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:20:24,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:20:24,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 01:20:24,207 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-22 01:20:24,208 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-22 01:20:24,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:24,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:20:24,349 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-22 01:20:24,350 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-22 01:20:24,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:20:24,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:24,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:20:24,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:24,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:20:24,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:20:24,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:20:24,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:24,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:24,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:24,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:24,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:20:24,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 01:20:24,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:24,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:20:24,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:24,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:20:25,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:25,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:20:25,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:25,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:20:25,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:25,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:20:25,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:25,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:20:25,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:20:25,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:20:25,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873676319] [2021-02-22 01:20:25,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:20:25,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2021-02-22 01:20:25,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765038800] [2021-02-22 01:20:25,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-22 01:20:25,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:20:25,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-22 01:20:25,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=3333, Unknown=0, NotChecked=0, Total=3660 [2021-02-22 01:20:25,038 INFO L87 Difference]: Start difference. First operand 2534 states and 2870 transitions. Second operand 56 states. [2021-02-22 01:20:25,768 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:20:26,515 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:20:26,947 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:20:27,328 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:20:27,735 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:20:28,156 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:20:28,603 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:20:29,028 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:20:29,466 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:20:29,950 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:20:30,395 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:20:30,884 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:20:31,402 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:20:31,975 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:20:32,487 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:20:33,048 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:20:33,870 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:20:34,642 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:20:35,126 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:20:35,573 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:20:35,939 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:20:36,374 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:20:36,771 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:20:37,198 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:20:38,081 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:20:38,461 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:20:39,334 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:20:39,823 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:40,329 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:20:40,799 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:20:41,313 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:41,729 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:20:42,306 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:20:42,814 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:43,500 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:20:44,084 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:20:44,700 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:20:45,165 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:20:45,737 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:20:46,265 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:47,034 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:20:47,666 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:48,960 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:20:50,089 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:20:50,868 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:20:51,606 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:20:52,155 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:20:52,668 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:20:53,113 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:53,576 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:20:54,065 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:20:54,799 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:55,263 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:55,771 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:20:56,206 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:20:56,700 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:20:57,193 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:20:57,957 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:21:00,006 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:21:01,327 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:21:03,960 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:21:05,585 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:21:08,650 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-22 01:21:10,683 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:21:11,350 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:21:12,351 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-22 01:21:13,212 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2021-02-22 01:21:14,098 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:21:14,495 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:21:16,009 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:21:16,409 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:21:17,550 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:21:17,970 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:21:18,402 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:21:19,202 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:21:20,393 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:21:20,974 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:21:21,663 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:21:22,604 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:21:23,894 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:21:24,790 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:21:25,928 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:21:26,821 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:21:28,572 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-22 01:21:29,404 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:21:30,808 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:21:31,800 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:21:33,241 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:21:34,035 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:21:36,756 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-22 01:21:37,491 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:21:39,709 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:21:41,026 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:21:41,801 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:21:42,323 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:21:42,763 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:21:43,185 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:21:43,669 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:21:44,173 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:21:44,912 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:21:50,566 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:21:52,756 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-22 01:21:53,487 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:21:53,982 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:21:54,895 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-22 01:22:01,151 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-02-22 01:22:07,893 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-02-22 01:22:11,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:11,248 INFO L93 Difference]: Finished difference Result 9600 states and 12270 transitions. [2021-02-22 01:22:11,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 629 states. [2021-02-22 01:22:11,249 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 308 [2021-02-22 01:22:11,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:11,301 INFO L225 Difference]: With dead ends: 9600 [2021-02-22 01:22:11,301 INFO L226 Difference]: Without dead ends: 7452 [2021-02-22 01:22:11,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 199 SyntacticMatches, 5 SemanticMatches, 682 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216815 ImplicationChecksByTransitivity, 77.1s TimeCoverageRelationStatistics Valid=19967, Invalid=447205, Unknown=0, NotChecked=0, Total=467172 [2021-02-22 01:22:11,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7452 states. [2021-02-22 01:22:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7452 to 4754. [2021-02-22 01:22:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4754 states. [2021-02-22 01:22:14,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 5336 transitions. [2021-02-22 01:22:14,398 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 5336 transitions. Word has length 308 [2021-02-22 01:22:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:14,400 INFO L480 AbstractCegarLoop]: Abstraction has 4754 states and 5336 transitions. [2021-02-22 01:22:14,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 56 states. [2021-02-22 01:22:14,400 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 5336 transitions. [2021-02-22 01:22:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-02-22 01:22:14,417 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:14,418 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:22:14,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-22 01:22:14,418 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:14,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:14,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2056620729, now seen corresponding path program 1 times [2021-02-22 01:22:14,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:14,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565191295] [2021-02-22 01:22:14,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:14,535 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-22 01:22:14,538 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-22 01:22:14,542 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-22 01:22:14,550 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-22 01:22:14,597 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-22 01:22:14,599 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-22 01:22:14,602 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-02-22 01:22:14,604 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size 49 [2021-02-22 01:22:14,610 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-22 01:22:14,615 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-22 01:22:14,622 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-22 01:22:14,625 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-22 01:22:14,679 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-02-22 01:22:14,682 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-02-22 01:22:14,684 WARN L141 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size [2021-02-22 01:22:14,685 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:22:14,686 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:14,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:22:14,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:14,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-22 01:22:14,692 WARN L147 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size 84 [2021-02-22 01:22:14,693 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-22 01:22:14,699 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-22 01:22:14,701 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-22 01:22:14,704 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-22 01:22:14,758 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-02-22 01:22:14,759 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-02-22 01:22:14,762 WARN L141 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size [2021-02-22 01:22:14,763 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:22:14,765 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:14,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:22:14,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:14,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-22 01:22:14,769 WARN L147 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size 84 [2021-02-22 01:22:14,772 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-22 01:22:14,776 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-22 01:22:14,778 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-22 01:22:14,781 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-22 01:22:14,826 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-22 01:22:14,827 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-22 01:22:14,831 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-02-22 01:22:14,833 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size 49 [2021-02-22 01:22:14,834 WARN L141 QuantifierPusher]: treesize reduction 24, result has 78.8 percent of original size [2021-02-22 01:22:14,837 WARN L147 QuantifierPusher]: treesize reduction 24, result has 78.8 percent of original size 89 [2021-02-22 01:22:14,838 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form, v_~switchedOnBeforeTS~0_77 has two outvars in equality [(= v_test_~tmp___0~1_15 |v_test_#t~nondet28_32|), (= 2 v_~waterLevel~0_130), (<= 0 (+ v_~waterLevel~0_130 2147483648)), (= v_~pumpRunning~0_135 v_~switchedOnBeforeTS~0_77), (= v_test_~tmp___2~0_15 0), (<= v_~waterLevel~0_130 2147483647), (<= |v_test_#t~nondet27_32| 2147483647), (< v_test_~splverifierCounter~0_24 4), (> v_~systemActive~0_41 0), (<= v_~pumpRunning~0_135 2147483647), (<= 0 (+ v_~pumpRunning~0_135 2147483648)), (= (+ v_~waterLevel~0_130 1) v_~waterLevel~0_131), (< v_~pumpRunning~0_135 0), (<= |v_test_#t~nondet28_32| 2147483647), (<= 0 (+ |v_test_#t~nondet28_32| 2147483648)), (= v_test_~tmp~3_15 0), (= v_~pumpRunning~0_136 v_~pumpRunning~0_135), (< 0 (+ v_~waterLevel~0_130 1)), (<= 0 (+ v_~methaneLevelCritical~0_29 2147483648)), (= v_~methaneLevelCritical~0_29 0), (<= 0 (+ |v_test_#t~nondet30_7| 2147483648)), (<= 0 (+ |v_test_#t~nondet27_32| 2147483648)), (= v_test_~tmp___2~0_15 |v_test_#t~nondet29_32|), (<= v_~methaneLevelCritical~0_29 2147483647), (<= |v_test_#t~nondet30_7| 2147483647), (= v_test_~tmp~3_15 |v_test_#t~nondet27_32|), (= 0 v_test_~tmp___1~0_6), (= v_test_~tmp___1~0_6 |v_test_#t~nondet30_7|), (<= |v_test_#t~nondet29_32| 2147483647), (<= 0 (+ |v_test_#t~nondet29_32| 2147483648)), (= v_test_~tmp___0~1_15 0)] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.extractUpdateRhs(SimultaneousUpdate.java:154) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:104) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.calculateSymbolicMemory(LoopAcceleratorLite.java:167) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.summarizeLoop(LoopAcceleratorLite.java:105) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:52) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 01:22:14,849 INFO L168 Benchmark]: Toolchain (without parser) took 175885.74 ms. Allocated memory was 159.4 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 134.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 279.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:22:14,852 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 159.4 MB. Free memory was 132.4 MB in the beginning and 132.3 MB in the end (delta: 101.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:22:14,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.56 ms. Allocated memory is still 159.4 MB. Free memory was 132.9 MB in the beginning and 111.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:22:14,857 INFO L168 Benchmark]: Boogie Preprocessor took 129.98 ms. Allocated memory is still 159.4 MB. Free memory was 111.5 MB in the beginning and 107.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:22:14,857 INFO L168 Benchmark]: RCFGBuilder took 1375.53 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 107.5 MB in the beginning and 123.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:22:14,857 INFO L168 Benchmark]: TraceAbstraction took 173729.50 ms. Allocated memory was 191.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 122.7 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 234.3 MB. Max. memory is 8.0 GB. [2021-02-22 01:22:14,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 159.4 MB. Free memory was 132.4 MB in the beginning and 132.3 MB in the end (delta: 101.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 632.56 ms. Allocated memory is still 159.4 MB. Free memory was 132.9 MB in the beginning and 111.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 129.98 ms. Allocated memory is still 159.4 MB. Free memory was 111.5 MB in the beginning and 107.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1375.53 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 107.5 MB in the beginning and 123.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 173729.50 ms. Allocated memory was 191.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 122.7 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 234.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form, v_~switchedOnBeforeTS~0_77 has two outvars in equality [(= v_test_~tmp___0~1_15 |v_test_#t~nondet28_32|), (= 2 v_~waterLevel~0_130), (<= 0 (+ v_~waterLevel~0_130 2147483648)), (= v_~pumpRunning~0_135 v_~switchedOnBeforeTS~0_77), (= v_test_~tmp___2~0_15 0), (<= v_~waterLevel~0_130 2147483647), (<= |v_test_#t~nondet27_32| 2147483647), (< v_test_~splverifierCounter~0_24 4), (> v_~systemActive~0_41 0), (<= v_~pumpRunning~0_135 2147483647), (<= 0 (+ v_~pumpRunning~0_135 2147483648)), (= (+ v_~waterLevel~0_130 1) v_~waterLevel~0_131), (< v_~pumpRunning~0_135 0), (<= |v_test_#t~nondet28_32| 2147483647), (<= 0 (+ |v_test_#t~nondet28_32| 2147483648)), (= v_test_~tmp~3_15 0), (= v_~pumpRunning~0_136 v_~pumpRunning~0_135), (< 0 (+ v_~waterLevel~0_130 1)), (<= 0 (+ v_~methaneLevelCritical~0_29 2147483648)), (= v_~methaneLevelCritical~0_29 0), (<= 0 (+ |v_test_#t~nondet30_7| 2147483648)), (<= 0 (+ |v_test_#t~nondet27_32| 2147483648)), (= v_test_~tmp___2~0_15 |v_test_#t~nondet29_32|), (<= v_~methaneLevelCritical~0_29 2147483647), (<= |v_test_#t~nondet30_7| 2147483647), (= v_test_~tmp~3_15 |v_test_#t~nondet27_32|), (= 0 v_test_~tmp___1~0_6), (= v_test_~tmp___1~0_6 |v_test_#t~nondet30_7|), (<= |v_test_#t~nondet29_32| 2147483647), (<= 0 (+ |v_test_#t~nondet29_32| 2147483648)), (= v_test_~tmp___0~1_15 0)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, v_~switchedOnBeforeTS~0_77 has two outvars in equality [(= v_test_~tmp___0~1_15 |v_test_#t~nondet28_32|), (= 2 v_~waterLevel~0_130), (<= 0 (+ v_~waterLevel~0_130 2147483648)), (= v_~pumpRunning~0_135 v_~switchedOnBeforeTS~0_77), (= v_test_~tmp___2~0_15 0), (<= v_~waterLevel~0_130 2147483647), (<= |v_test_#t~nondet27_32| 2147483647), (< v_test_~splverifierCounter~0_24 4), (> v_~systemActive~0_41 0), (<= v_~pumpRunning~0_135 2147483647), (<= 0 (+ v_~pumpRunning~0_135 2147483648)), (= (+ v_~waterLevel~0_130 1) v_~waterLevel~0_131), (< v_~pumpRunning~0_135 0), (<= |v_test_#t~nondet28_32| 2147483647), (<= 0 (+ |v_test_#t~nondet28_32| 2147483648)), (= v_test_~tmp~3_15 0), (= v_~pumpRunning~0_136 v_~pumpRunning~0_135), (< 0 (+ v_~waterLevel~0_130 1)), (<= 0 (+ v_~methaneLevelCritical~0_29 2147483648)), (= v_~methaneLevelCritical~0_29 0), (<= 0 (+ |v_test_#t~nondet30_7| 2147483648)), (<= 0 (+ |v_test_#t~nondet27_32| 2147483648)), (= v_test_~tmp___2~0_15 |v_test_#t~nondet29_32|), (<= v_~methaneLevelCritical~0_29 2147483647), (<= |v_test_#t~nondet30_7| 2147483647), (= v_test_~tmp~3_15 |v_test_#t~nondet27_32|), (= 0 v_test_~tmp___1~0_6), (= v_test_~tmp___1~0_6 |v_test_#t~nondet30_7|), (<= |v_test_#t~nondet29_32| 2147483647), (<= 0 (+ |v_test_#t~nondet29_32| 2147483648)), (= v_test_~tmp___0~1_15 0)]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...