/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-36cd7be [2021-02-24 03:43:19,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:43:19,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:43:19,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:43:19,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:43:19,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:43:19,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:43:19,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:43:19,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:43:19,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:43:19,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:43:19,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:43:19,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:43:19,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:43:19,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:43:19,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:43:19,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:43:19,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:43:19,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:43:19,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:43:19,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:43:19,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:43:19,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:43:19,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:43:19,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:43:19,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:43:19,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:43:19,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:43:19,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:43:19,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:43:19,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:43:19,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:43:19,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:43:19,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:43:19,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:43:19,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:43:19,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:43:19,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:43:19,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:43:19,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:43:19,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:43:19,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 03:43:19,966 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:43:19,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:43:19,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:43:19,969 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:43:19,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:43:19,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:43:19,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:43:19,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:43:19,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:43:19,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:43:19,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:43:19,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:43:19,971 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:43:19,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:43:19,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:43:19,971 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:43:19,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:43:19,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:43:19,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:43:19,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:43:19,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:43:19,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:43:19,973 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:43:19,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:43:20,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:43:20,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:43:20,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:43:20,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:43:20,413 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:43:20,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-24 03:43:20,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33092b54/789f17832d07486ab1d3d0ae04b12596/FLAGdc4e07f4f [2021-02-24 03:43:21,267 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:43:21,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2021-02-24 03:43:21,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33092b54/789f17832d07486ab1d3d0ae04b12596/FLAGdc4e07f4f [2021-02-24 03:43:21,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33092b54/789f17832d07486ab1d3d0ae04b12596 [2021-02-24 03:43:21,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:43:21,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:43:21,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:43:21,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:43:21,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:43:21,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:43:21" (1/1) ... [2021-02-24 03:43:21,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24fcbf59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:21, skipping insertion in model container [2021-02-24 03:43:21,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:43:21" (1/1) ... [2021-02-24 03:43:21,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:43:21,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:43:21,963 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] [2021-02-24 03:43:21,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:43:22,017 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:43:22,125 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] [2021-02-24 03:43:22,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:43:22,181 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:43:22,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22 WrapperNode [2021-02-24 03:43:22,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:43:22,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:43:22,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:43:22,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:43:22,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (1/1) ... [2021-02-24 03:43:22,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (1/1) ... [2021-02-24 03:43:22,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (1/1) ... [2021-02-24 03:43:22,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (1/1) ... [2021-02-24 03:43:22,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (1/1) ... [2021-02-24 03:43:22,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (1/1) ... [2021-02-24 03:43:22,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (1/1) ... [2021-02-24 03:43:22,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:43:22,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:43:22,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:43:22,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:43:22,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (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 [2021-02-24 03:43:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:43:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:43:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:43:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:43:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:43:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:43:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:43:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:43:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:43:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:43:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:43:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:43:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:43:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-24 03:43:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-24 03:43:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-24 03:43:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:43:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:43:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:43:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:43:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:43:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:43:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:43:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:43:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:43:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:43:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-24 03:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:43:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:43:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:43:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-24 03:43:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:43:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:43:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:43:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:43:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:43:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-24 03:43:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-24 03:43:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:43:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:43:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:43:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:43:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-24 03:43:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:43:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:43:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:43:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:43:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:43:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:43:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:43:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:43:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:43:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:43:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:43:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:43:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:43:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:43:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:43:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:43:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:43:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:43:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:43:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:43:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:43:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:43:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:43:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:43:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:43:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:43:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:43:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:43:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:43:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:43:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:43:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:43:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:43:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:43:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:43:23,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:43:23,627 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:43:23,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:43:23 BoogieIcfgContainer [2021-02-24 03:43:23,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:43:23,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:43:23,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:43:23,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:43:23,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:43:21" (1/3) ... [2021-02-24 03:43:23,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103f7209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:43:23, skipping insertion in model container [2021-02-24 03:43:23,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:43:22" (2/3) ... [2021-02-24 03:43:23,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103f7209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:43:23, skipping insertion in model container [2021-02-24 03:43:23,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:43:23" (3/3) ... [2021-02-24 03:43:23,638 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-02-24 03:43:23,645 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:43:23,651 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:43:23,672 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:43:23,700 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:43:23,701 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:43:23,701 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:43:23,701 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:43:23,701 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:43:23,701 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:43:23,701 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:43:23,702 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:43:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2021-02-24 03:43:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-24 03:43:23,749 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:43:23,750 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] [2021-02-24 03:43:23,750 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:43:23,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:43:23,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1631473396, now seen corresponding path program 1 times [2021-02-24 03:43:23,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:43:23,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121960628] [2021-02-24 03:43:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:43:23,853 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:43:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,604 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:43:24,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:43:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:43:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:43:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:43:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:43:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-24 03:43:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-24 03:43:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:43:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:24,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:24,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:43:24,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121960628] [2021-02-24 03:43:24,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:43:24,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:43:24,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415235190] [2021-02-24 03:43:24,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:43:24,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:43:24,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:43:24,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:43:24,887 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2021-02-24 03:43:26,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:43:26,607 INFO L93 Difference]: Finished difference Result 526 states and 618 transitions. [2021-02-24 03:43:26,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 03:43:26,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-24 03:43:26,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:43:26,642 INFO L225 Difference]: With dead ends: 526 [2021-02-24 03:43:26,642 INFO L226 Difference]: Without dead ends: 332 [2021-02-24 03:43:26,658 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 [2021-02-24 03:43:26,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-24 03:43:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2021-02-24 03:43:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-24 03:43:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 308 transitions. [2021-02-24 03:43:26,924 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 308 transitions. Word has length 165 [2021-02-24 03:43:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:43:26,927 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 308 transitions. [2021-02-24 03:43:26,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:43:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 308 transitions. [2021-02-24 03:43:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-24 03:43:26,945 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:43:26,946 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] [2021-02-24 03:43:26,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:43:26,946 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:43:26,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:43:26,947 INFO L82 PathProgramCache]: Analyzing trace with hash -858118948, now seen corresponding path program 1 times [2021-02-24 03:43:26,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:43:26,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398974216] [2021-02-24 03:43:26,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:43:26,955 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:43:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:27,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,459 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:43:27,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:43:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:43:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:43:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:43:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:43:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:43:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-24 03:43:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:43:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:27,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:27,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:43:27,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398974216] [2021-02-24 03:43:27,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:43:27,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 03:43:27,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990711282] [2021-02-24 03:43:27,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 03:43:27,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:43:27,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 03:43:27,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 03:43:27,605 INFO L87 Difference]: Start difference. First operand 283 states and 308 transitions. Second operand 5 states. [2021-02-24 03:43:28,386 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:29,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:43:29,649 INFO L93 Difference]: Finished difference Result 444 states and 501 transitions. [2021-02-24 03:43:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 03:43:29,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-24 03:43:29,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:43:29,654 INFO L225 Difference]: With dead ends: 444 [2021-02-24 03:43:29,654 INFO L226 Difference]: Without dead ends: 321 [2021-02-24 03:43:29,656 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 [2021-02-24 03:43:29,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-02-24 03:43:29,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2021-02-24 03:43:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-24 03:43:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2021-02-24 03:43:29,754 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 166 [2021-02-24 03:43:29,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:43:29,754 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2021-02-24 03:43:29,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 03:43:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2021-02-24 03:43:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-24 03:43:29,757 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:43:29,758 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] [2021-02-24 03:43:29,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:43:29,758 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:43:29,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:43:29,759 INFO L82 PathProgramCache]: Analyzing trace with hash 567614448, now seen corresponding path program 1 times [2021-02-24 03:43:29,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:43:29,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388805380] [2021-02-24 03:43:29,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:43:29,763 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:43:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:29,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:29,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:29,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:29,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:29,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:29,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:29,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:29,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:29,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:29,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:43:29,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:29,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,221 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:43:30,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:43:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:43:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:43:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:43:30,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:43:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:43:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:43:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:43:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:30,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:43:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-24 03:43:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-24 03:43:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:30,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:30,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:43:30,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388805380] [2021-02-24 03:43:30,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:43:30,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:43:30,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299663145] [2021-02-24 03:43:30,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:43:30,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:43:30,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:43:30,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:43:30,462 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 11 states. [2021-02-24 03:43:31,180 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:43:31,642 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:43:32,039 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:43:32,439 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:43:32,814 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:43:33,185 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:43:34,514 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:43:37,216 INFO L93 Difference]: Finished difference Result 746 states and 868 transitions. [2021-02-24 03:43:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:43:37,217 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-24 03:43:37,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:43:37,224 INFO L225 Difference]: With dead ends: 746 [2021-02-24 03:43:37,225 INFO L226 Difference]: Without dead ends: 593 [2021-02-24 03:43:37,226 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 [2021-02-24 03:43:37,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-02-24 03:43:37,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 494. [2021-02-24 03:43:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2021-02-24 03:43:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 554 transitions. [2021-02-24 03:43:37,468 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 554 transitions. Word has length 179 [2021-02-24 03:43:37,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:43:37,469 INFO L480 AbstractCegarLoop]: Abstraction has 494 states and 554 transitions. [2021-02-24 03:43:37,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:43:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 554 transitions. [2021-02-24 03:43:37,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-24 03:43:37,473 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:43:37,473 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] [2021-02-24 03:43:37,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:43:37,474 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:43:37,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:43:37,474 INFO L82 PathProgramCache]: Analyzing trace with hash -412837419, now seen corresponding path program 1 times [2021-02-24 03:43:37,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:43:37,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683248667] [2021-02-24 03:43:37,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:43:37,478 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:43:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:37,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:37,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:37,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:37,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:37,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:37,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:37,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:37,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:37,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:37,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:37,908 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:43:37,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:38,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:43:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:43:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:43:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:43:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:43:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-24 03:43:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:38,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:43:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-24 03:43:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-24 03:43:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:38,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:38,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:38,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:38,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-24 03:43:38,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1683248667] [2021-02-24 03:43:38,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:43:38,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 03:43:38,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157918265] [2021-02-24 03:43:38,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 03:43:38,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:43:38,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 03:43:38,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-24 03:43:38,224 INFO L87 Difference]: Start difference. First operand 494 states and 554 transitions. Second operand 10 states. [2021-02-24 03:43:38,844 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:43:39,868 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:43:40,236 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:43:41,460 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:43:41,830 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:43:42,232 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:42,605 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:43:43,081 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:43:43,459 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:43:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:43:44,456 INFO L93 Difference]: Finished difference Result 1133 states and 1360 transitions. [2021-02-24 03:43:44,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-24 03:43:44,457 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-24 03:43:44,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:43:44,464 INFO L225 Difference]: With dead ends: 1133 [2021-02-24 03:43:44,464 INFO L226 Difference]: Without dead ends: 759 [2021-02-24 03:43:44,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-24 03:43:44,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2021-02-24 03:43:44,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 666. [2021-02-24 03:43:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2021-02-24 03:43:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 750 transitions. [2021-02-24 03:43:44,751 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 750 transitions. Word has length 184 [2021-02-24 03:43:44,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:43:44,752 INFO L480 AbstractCegarLoop]: Abstraction has 666 states and 750 transitions. [2021-02-24 03:43:44,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 03:43:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 750 transitions. [2021-02-24 03:43:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-24 03:43:44,757 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:43:44,757 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] [2021-02-24 03:43:44,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:43:44,757 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:43:44,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:43:44,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1003651235, now seen corresponding path program 1 times [2021-02-24 03:43:44,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:43:44,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064804091] [2021-02-24 03:43:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:43:44,762 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:43:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:44,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:44,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:44,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:44,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,144 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:43:45,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:43:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:43:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:43:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:43:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:43:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:43:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:43:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:43:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:43:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:45,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:45,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:43:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:43:45,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:43:45,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:43:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:43:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:43:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-24 03:43:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-24 03:43:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:45,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:45,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:43:45,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064804091] [2021-02-24 03:43:45,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:43:45,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:43:45,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35818249] [2021-02-24 03:43:45,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:43:45,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:43:45,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:43:45,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:43:45,395 INFO L87 Difference]: Start difference. First operand 666 states and 750 transitions. Second operand 11 states. [2021-02-24 03:43:47,180 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:43:47,634 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:43:48,036 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:43:48,413 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:48,806 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:43:49,172 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:50,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:43:50,459 INFO L93 Difference]: Finished difference Result 1420 states and 1704 transitions. [2021-02-24 03:43:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-24 03:43:50,460 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2021-02-24 03:43:50,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:43:50,466 INFO L225 Difference]: With dead ends: 1420 [2021-02-24 03:43:50,466 INFO L226 Difference]: Without dead ends: 874 [2021-02-24 03:43:50,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-24 03:43:50,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-02-24 03:43:50,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 685. [2021-02-24 03:43:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2021-02-24 03:43:50,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 770 transitions. [2021-02-24 03:43:50,804 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 770 transitions. Word has length 217 [2021-02-24 03:43:50,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:43:50,805 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 770 transitions. [2021-02-24 03:43:50,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:43:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 770 transitions. [2021-02-24 03:43:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-24 03:43:50,809 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:43:50,810 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] [2021-02-24 03:43:50,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:43:50,810 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:43:50,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:43:50,811 INFO L82 PathProgramCache]: Analyzing trace with hash 878446851, now seen corresponding path program 1 times [2021-02-24 03:43:50,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:43:50,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89717726] [2021-02-24 03:43:50,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:43:50,814 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:43:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:50,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:50,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:50,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:50,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:50,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:50,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:50,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:50,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:50,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:50,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,255 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:43:51,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:43:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:43:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:43:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:43:51,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:43:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:43:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:43:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:43:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:43:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:43:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:43:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:43:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:51,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:51,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:43:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:51,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:51,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:43:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-24 03:43:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-24 03:43:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:51,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:51,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:43:51,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89717726] [2021-02-24 03:43:51,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:43:51,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-24 03:43:51,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427512133] [2021-02-24 03:43:51,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-24 03:43:51,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:43:51,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-24 03:43:51,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-24 03:43:51,549 INFO L87 Difference]: Start difference. First operand 685 states and 770 transitions. Second operand 14 states. [2021-02-24 03:43:52,291 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:43:52,681 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:43:53,058 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:53,430 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:43:53,786 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:55,095 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:55,485 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:43:55,891 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:56,317 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:43:56,691 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:43:58,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:43:58,390 INFO L93 Difference]: Finished difference Result 1461 states and 1771 transitions. [2021-02-24 03:43:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:43:58,391 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2021-02-24 03:43:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:43:58,398 INFO L225 Difference]: With dead ends: 1461 [2021-02-24 03:43:58,398 INFO L226 Difference]: Without dead ends: 896 [2021-02-24 03:43:58,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-24 03:43:58,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-02-24 03:43:58,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 697. [2021-02-24 03:43:58,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-02-24 03:43:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 782 transitions. [2021-02-24 03:43:58,744 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 782 transitions. Word has length 217 [2021-02-24 03:43:58,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:43:58,747 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 782 transitions. [2021-02-24 03:43:58,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-24 03:43:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 782 transitions. [2021-02-24 03:43:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-24 03:43:58,755 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:43:58,755 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] [2021-02-24 03:43:58,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 03:43:58,755 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:43:58,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:43:58,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1568940992, now seen corresponding path program 1 times [2021-02-24 03:43:58,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:43:58,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723899350] [2021-02-24 03:43:58,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:43:58,760 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:43:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:58,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:58,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:58,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:58,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:58,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:58,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:58,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:58,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:58,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:58,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:43:58,848 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-24 03:43:58,850 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-24 03:43:58,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:58,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,139 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:43:59,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:43:59,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:43:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:43:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:43:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:43:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:43:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:43:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:43:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:43:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:43:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:43:59,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:43:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:43:59,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:43:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:43:59,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:43:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:43:59,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:43:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-24 03:43:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-24 03:43:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:43:59,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:43:59,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:43:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:43:59,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723899350] [2021-02-24 03:43:59,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:43:59,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 03:43:59,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866951398] [2021-02-24 03:43:59,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 03:43:59,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:43:59,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 03:43:59,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-24 03:43:59,361 INFO L87 Difference]: Start difference. First operand 697 states and 782 transitions. Second operand 8 states. [2021-02-24 03:43:59,938 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:44:00,714 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:44:04,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:44:04,172 INFO L93 Difference]: Finished difference Result 2230 states and 2731 transitions. [2021-02-24 03:44:04,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-24 03:44:04,174 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2021-02-24 03:44:04,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:44:04,185 INFO L225 Difference]: With dead ends: 2230 [2021-02-24 03:44:04,185 INFO L226 Difference]: Without dead ends: 1653 [2021-02-24 03:44:04,188 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 [2021-02-24 03:44:04,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2021-02-24 03:44:04,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1385. [2021-02-24 03:44:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2021-02-24 03:44:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1579 transitions. [2021-02-24 03:44:04,707 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1579 transitions. Word has length 217 [2021-02-24 03:44:04,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:44:04,708 INFO L480 AbstractCegarLoop]: Abstraction has 1385 states and 1579 transitions. [2021-02-24 03:44:04,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 03:44:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1579 transitions. [2021-02-24 03:44:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-24 03:44:04,712 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:44:04,713 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] [2021-02-24 03:44:04,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 03:44:04,713 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:44:04,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:44:04,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1294702977, now seen corresponding path program 1 times [2021-02-24 03:44:04,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:44:04,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565455770] [2021-02-24 03:44:04,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:44:04,717 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:44:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:04,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:04,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:04,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:04,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:04,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:04,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:04,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:04,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:04,853 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:44:04,854 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:44:04,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:04,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:04,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:04,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:04,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:04,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:04,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:04,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,202 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:44:05,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:44:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:44:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:44:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:44:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:44:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:44:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:44:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:05,312 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-24 03:44:05,313 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-24 03:44:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:44:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:44:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-24 03:44:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:44:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:44:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:44:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:44:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-24 03:44:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:05,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:05,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-24 03:44:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:05,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:05,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:44:05,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565455770] [2021-02-24 03:44:05,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:44:05,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-24 03:44:05,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275170570] [2021-02-24 03:44:05,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 03:44:05,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:44:05,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 03:44:05,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:44:05,510 INFO L87 Difference]: Start difference. First operand 1385 states and 1579 transitions. Second operand 15 states. [2021-02-24 03:44:06,483 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-24 03:44:07,501 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:44:09,080 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-24 03:44:09,881 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-24 03:44:10,389 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:10,781 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:44:11,538 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-24 03:44:11,916 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:12,355 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:44:12,762 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:16,456 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-24 03:44:17,245 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:44:17,661 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:18,168 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:44:19,613 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-24 03:44:20,324 WARN L202 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-24 03:44:21,066 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-24 03:44:21,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:44:21,966 INFO L93 Difference]: Finished difference Result 4228 states and 5195 transitions. [2021-02-24 03:44:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-24 03:44:21,967 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2021-02-24 03:44:21,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:44:21,986 INFO L225 Difference]: With dead ends: 4228 [2021-02-24 03:44:21,987 INFO L226 Difference]: Without dead ends: 3244 [2021-02-24 03:44:21,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2021-02-24 03:44:21,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2021-02-24 03:44:23,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 2534. [2021-02-24 03:44:23,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2534 states. [2021-02-24 03:44:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 2870 transitions. [2021-02-24 03:44:23,234 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 2870 transitions. Word has length 222 [2021-02-24 03:44:23,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:44:23,235 INFO L480 AbstractCegarLoop]: Abstraction has 2534 states and 2870 transitions. [2021-02-24 03:44:23,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 03:44:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2870 transitions. [2021-02-24 03:44:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-02-24 03:44:23,243 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:44:23,244 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] [2021-02-24 03:44:23,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 03:44:23,244 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:44:23,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:44:23,245 INFO L82 PathProgramCache]: Analyzing trace with hash 392433829, now seen corresponding path program 1 times [2021-02-24 03:44:23,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:44:23,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130203778] [2021-02-24 03:44:23,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:44:23,376 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-24 03:44:23,377 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-24 03:44:23,391 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-24 03:44:23,392 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-24 03:44:23,401 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:44:23,432 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:44:23,438 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-24 03:44:23,441 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-24 03:44:23,445 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-24 03:44:23,452 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-24 03:44:23,460 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-24 03:44:23,470 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-24 03:44:23,515 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:44:23,518 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:44:23,522 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-24 03:44:23,526 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-24 03:44:23,531 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-24 03:44:23,539 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-24 03:44:23,547 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-24 03:44:23,554 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-24 03:44:23,592 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:44:23,594 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:44:23,596 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-24 03:44:23,599 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-24 03:44:23,601 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-24 03:44:23,601 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-24 03:44:23,603 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-24 03:44:23,604 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-24 03:44:23,606 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:44:23,607 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:44:23,610 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-24 03:44:23,612 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-24 03:44:23,614 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-24 03:44:23,619 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-24 03:44:23,622 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-24 03:44:23,626 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-24 03:44:23,662 WARN L141 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-02-24 03:44:23,667 INFO L723 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2021-02-24 03:44:23,672 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:23,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-24 03:44:23,684 WARN L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-02-24 03:44:23,690 WARN L141 QuantifierPusher]: treesize reduction 11, result has 91.1 percent of original size [2021-02-24 03:44:23,694 WARN L147 QuantifierPusher]: treesize reduction 11, result has 91.1 percent of original size 113 [2021-02-24 03:44:23,696 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-24 03:44:23,696 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-24 03:44:23,699 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-24 03:44:23,699 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-24 03:44:23,701 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:44:23,702 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:44:23,705 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-24 03:44:23,707 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-24 03:44:23,709 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-24 03:44:23,709 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-24 03:44:23,712 WARN L141 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size [2021-02-24 03:44:23,712 WARN L147 QuantifierPusher]: treesize reduction 91, result has 1.1 percent of original size 1 [2021-02-24 03:44:23,714 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:44:23,716 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:44:23,718 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-24 03:44:23,720 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-24 03:44:23,722 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-24 03:44:23,726 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-24 03:44:23,729 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size [2021-02-24 03:44:23,733 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.1 percent of original size 70 [2021-02-24 03:44:23,769 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:44:23,771 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:44:23,773 WARN L141 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-02-24 03:44:23,775 WARN L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-02-24 03:44:23,775 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:44:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:23,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:23,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:23,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:44:23,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,144 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:44:24,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:44:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:44:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:44:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:44:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:44:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-24 03:44:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:44:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:24,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:24,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:24,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:24,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-24 03:44:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-24 03:44:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:44:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:44:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:44:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:44:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-02-24 03:44:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-02-24 03:44:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:44:24,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:24,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 03:44:24,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:24,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 03:44:24,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:24,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 03:44:24,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:24,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 03:44:24,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-02-24 03:44:24,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-02-24 03:44:24,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:24,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-02-24 03:44:24,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:24,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:44:24,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:44:24,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:24,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:24,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:24,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:24,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:44:24,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:24,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:24,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:44:24,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:24,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:24,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:24,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:44:24,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:44:24,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:44:24,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:24,720 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-24 03:44:24,720 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-24 03:44:24,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:44:24,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:44:24,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:24,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:24,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:24,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:44:24,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:24,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:24,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:24,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:44:24,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:24,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:44:25,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:44:25,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:25,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:44:25,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:25,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:25,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:25,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:25,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:44:25,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:44:25,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:44:25,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:44:25,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:25,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:44:25,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:25,374 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-24 03:44:25,375 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-24 03:44:25,418 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-24 03:44:25,422 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-24 03:44:25,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:44:25,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:44:25,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:44:25,548 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-24 03:44:25,548 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-24 03:44:25,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:25,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:25,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:25,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:44:25,760 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:44:25,761 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:44:25,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:25,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:44:25,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:25,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:25,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:25,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:44:26,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:44:26,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:44:26,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 03:44:26,160 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:44:26,161 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:44:26,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:26,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:44:26,297 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-24 03:44:26,298 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-24 03:44:26,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:44:26,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:26,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:44:26,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:26,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:44:26,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:44:26,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:44:26,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:26,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:26,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:26,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:44:26,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 03:44:26,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:26,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:44:26,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:44:26,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:44:26,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:44:26,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:44:26,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:44:26,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:26,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:26,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130203778] [2021-02-24 03:44:26,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:44:26,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2021-02-24 03:44:26,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108027815] [2021-02-24 03:44:26,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-24 03:44:26,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:44:26,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-24 03:44:26,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=3333, Unknown=0, NotChecked=0, Total=3660 [2021-02-24 03:44:26,995 INFO L87 Difference]: Start difference. First operand 2534 states and 2870 transitions. Second operand 56 states. [2021-02-24 03:44:27,663 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:44:28,368 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:44:28,795 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:44:29,209 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:44:29,644 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:44:30,043 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:44:30,488 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:44:30,907 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:44:31,314 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:44:31,788 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:44:32,223 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:44:32,729 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:44:33,258 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:44:33,795 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:44:34,308 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:44:34,860 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:44:35,720 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:36,471 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:44:36,917 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:37,350 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:44:37,735 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:44:38,166 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:44:38,560 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:39,010 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:44:39,852 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:44:40,225 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:44:41,090 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:44:41,605 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:42,097 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:44:42,563 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:44:43,035 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:43,445 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:44:44,020 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:44:44,554 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:45,228 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:44:45,797 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:44:46,377 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:44:46,831 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:44:47,400 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:44:47,945 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:48,702 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:44:49,291 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:50,588 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:44:51,746 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:44:52,487 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:44:53,219 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:44:53,731 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:44:54,275 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:44:54,711 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:55,166 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:44:55,608 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:44:56,326 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:56,816 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:57,313 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:44:57,738 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:44:58,224 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:44:58,671 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:44:59,426 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:45:01,442 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:45:02,715 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:45:05,419 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:45:07,085 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:45:10,113 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-24 03:45:12,134 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:45:12,742 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:45:13,765 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-24 03:45:14,608 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2021-02-24 03:45:15,451 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:45:15,840 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:45:17,372 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:45:17,762 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:45:18,902 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:45:19,395 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:45:19,858 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:45:20,720 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:45:21,956 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:45:22,625 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:45:23,358 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:45:24,380 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:45:25,735 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:45:26,749 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:45:27,976 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:45:28,931 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:45:30,780 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-24 03:45:31,666 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:45:33,068 WARN L202 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-24 03:45:34,109 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:45:35,622 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:45:36,450 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:45:39,283 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-24 03:45:40,021 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:45:42,328 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:45:43,697 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:45:44,408 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:45:44,931 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:45:45,370 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:45:45,795 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:45:46,282 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:45:46,791 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:45:47,518 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:45:53,194 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:45:55,422 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-24 03:45:56,140 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:45:56,623 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:45:57,598 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-24 03:46:06,491 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-02-24 03:46:14,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:46:14,688 INFO L93 Difference]: Finished difference Result 9600 states and 12270 transitions. [2021-02-24 03:46:14,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 629 states. [2021-02-24 03:46:14,689 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 308 [2021-02-24 03:46:14,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:46:14,749 INFO L225 Difference]: With dead ends: 9600 [2021-02-24 03:46:14,749 INFO L226 Difference]: Without dead ends: 7452 [2021-02-24 03:46:14,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 199 SyntacticMatches, 5 SemanticMatches, 682 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216806 ImplicationChecksByTransitivity, 77.6s TimeCoverageRelationStatistics Valid=19967, Invalid=447205, Unknown=0, NotChecked=0, Total=467172 [2021-02-24 03:46:14,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7452 states. [2021-02-24 03:46:17,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7452 to 4754. [2021-02-24 03:46:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4754 states. [2021-02-24 03:46:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 5336 transitions. [2021-02-24 03:46:17,683 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 5336 transitions. Word has length 308 [2021-02-24 03:46:17,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:46:17,684 INFO L480 AbstractCegarLoop]: Abstraction has 4754 states and 5336 transitions. [2021-02-24 03:46:17,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 56 states. [2021-02-24 03:46:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 5336 transitions. [2021-02-24 03:46:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-02-24 03:46:17,702 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:46:17,702 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] [2021-02-24 03:46:17,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-24 03:46:17,703 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:46:17,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:46:17,703 INFO L82 PathProgramCache]: Analyzing trace with hash 2056620729, now seen corresponding path program 1 times [2021-02-24 03:46:17,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:46:17,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455683709] [2021-02-24 03:46:17,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:46:17,825 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-24 03:46:17,828 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-24 03:46:17,830 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-24 03:46:17,833 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-24 03:46:17,892 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-24 03:46:17,893 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-24 03:46:17,895 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-02-24 03:46:17,897 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size 49 [2021-02-24 03:46:17,901 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-24 03:46:17,905 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-24 03:46:17,909 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-24 03:46:17,913 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-24 03:46:17,971 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-02-24 03:46:17,973 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-02-24 03:46:17,975 WARN L141 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size [2021-02-24 03:46:17,977 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:46:17,981 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:17,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:46:17,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:17,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-24 03:46:17,993 WARN L147 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size 84 [2021-02-24 03:46:17,995 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-24 03:46:17,998 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-24 03:46:18,000 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-24 03:46:18,011 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-24 03:46:18,054 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-02-24 03:46:18,056 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-02-24 03:46:18,059 WARN L141 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size [2021-02-24 03:46:18,060 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:46:18,061 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:18,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:46:18,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:18,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-24 03:46:18,065 WARN L147 QuantifierPusher]: treesize reduction 12, result has 87.5 percent of original size 84 [2021-02-24 03:46:18,067 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-24 03:46:18,070 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-24 03:46:18,072 WARN L141 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size [2021-02-24 03:46:18,074 WARN L147 QuantifierPusher]: treesize reduction 19, result has 81.6 percent of original size 84 [2021-02-24 03:46:18,119 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-24 03:46:18,120 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-24 03:46:18,123 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-02-24 03:46:18,126 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size 49 [2021-02-24 03:46:18,129 WARN L141 QuantifierPusher]: treesize reduction 24, result has 78.8 percent of original size [2021-02-24 03:46:18,131 WARN L147 QuantifierPusher]: treesize reduction 24, result has 78.8 percent of original size 89 [2021-02-24 03:46:18,132 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 03:46:18,137 INFO L168 Benchmark]: Toolchain (without parser) took 176582.93 ms. Allocated memory was 154.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 129.4 MB in the beginning and 905.7 MB in the end (delta: -776.3 MB). Peak memory consumption was 481.4 MB. Max. memory is 8.0 GB. [2021-02-24 03:46:18,137 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 154.1 MB. Free memory was 129.0 MB in the beginning and 128.9 MB in the end (delta: 83.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:46:18,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.43 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 106.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:46:18,138 INFO L168 Benchmark]: Boogie Preprocessor took 159.16 ms. Allocated memory is still 154.1 MB. Free memory was 106.4 MB in the beginning and 135.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:46:18,138 INFO L168 Benchmark]: RCFGBuilder took 1286.56 ms. Allocated memory is still 154.1 MB. Free memory was 135.0 MB in the beginning and 90.9 MB in the end (delta: 44.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. [2021-02-24 03:46:18,138 INFO L168 Benchmark]: TraceAbstraction took 174504.59 ms. Allocated memory was 154.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 90.4 MB in the beginning and 905.7 MB in the end (delta: -815.3 MB). Peak memory consumption was 441.9 MB. Max. memory is 8.0 GB. [2021-02-24 03:46:18,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 154.1 MB. Free memory was 129.0 MB in the beginning and 128.9 MB in the end (delta: 83.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 613.43 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 106.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 159.16 ms. Allocated memory is still 154.1 MB. Free memory was 106.4 MB in the beginning and 135.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1286.56 ms. Allocated memory is still 154.1 MB. Free memory was 135.0 MB in the beginning and 90.9 MB in the end (delta: 44.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 174504.59 ms. Allocated memory was 154.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 90.4 MB in the beginning and 905.7 MB in the end (delta: -815.3 MB). Peak memory consumption was 441.9 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...