/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 20:06:18,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 20:06:18,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 20:06:18,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 20:06:18,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 20:06:18,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 20:06:18,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 20:06:18,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 20:06:18,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 20:06:18,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 20:06:18,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 20:06:18,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 20:06:18,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 20:06:18,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 20:06:18,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 20:06:18,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 20:06:18,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 20:06:18,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 20:06:18,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 20:06:18,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 20:06:18,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 20:06:18,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 20:06:18,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 20:06:18,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 20:06:18,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 20:06:18,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 20:06:18,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 20:06:18,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 20:06:18,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 20:06:18,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 20:06:18,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 20:06:18,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 20:06:18,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 20:06:18,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 20:06:18,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 20:06:18,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 20:06:18,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 20:06:18,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 20:06:18,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 20:06:18,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 20:06:18,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 20:06:18,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 20:06:18,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 20:06:18,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 20:06:18,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 20:06:18,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 20:06:18,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 20:06:18,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 20:06:18,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 20:06:18,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 20:06:18,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 20:06:18,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 20:06:18,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 20:06:18,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 20:06:18,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 20:06:18,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 20:06:18,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 20:06:18,603 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 20:06:18,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 20:06:18,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 20:06:18,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 20:06:18,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 20:06:18,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 20:06:18,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 20:06:18,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 20:06:19,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 20:06:19,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 20:06:19,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 20:06:19,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 20:06:19,047 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 20:06:19,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2021-02-21 20:06:19,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756e878e7/af2228eeea0d4c22a27e9ff12f909105/FLAGc4319a156 [2021-02-21 20:06:19,777 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 20:06:19,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2021-02-21 20:06:19,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756e878e7/af2228eeea0d4c22a27e9ff12f909105/FLAGc4319a156 [2021-02-21 20:06:20,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756e878e7/af2228eeea0d4c22a27e9ff12f909105 [2021-02-21 20:06:20,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 20:06:20,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 20:06:20,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 20:06:20,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 20:06:20,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 20:06:20,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d1b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20, skipping insertion in model container [2021-02-21 20:06:20,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 20:06:20,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 20:06:20,410 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_product64.cil.c[9302,9315] [2021-02-21 20:06:20,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:06:20,497 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 20:06:20,610 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_product64.cil.c[9302,9315] [2021-02-21 20:06:20,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:06:20,738 INFO L208 MainTranslator]: Completed translation [2021-02-21 20:06:20,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20 WrapperNode [2021-02-21 20:06:20,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 20:06:20,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 20:06:20,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 20:06:20,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 20:06:20,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (1/1) ... [2021-02-21 20:06:20,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 20:06:20,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 20:06:20,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 20:06:20,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 20:06:20,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (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 [2021-02-21 20:06:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 20:06:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 20:06:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 20:06:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 20:06:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-21 20:06:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-21 20:06:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-21 20:06:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 20:06:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 20:06:20,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-21 20:06:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-21 20:06:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 20:06:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 20:06:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-21 20:06:20,971 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 20:06:20,971 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 20:06:20,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 20:06:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 20:06:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 20:06:20,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-21 20:06:20,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-21 20:06:20,975 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-21 20:06:20,975 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-21 20:06:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 20:06:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 20:06:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 20:06:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 20:06:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 20:06:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 20:06:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-21 20:06:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-21 20:06:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 20:06:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 20:06:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 20:06:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 20:06:20,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 20:06:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 20:06:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 20:06:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 20:06:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 20:06:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 20:06:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 20:06:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 20:06:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 20:06:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 20:06:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 20:06:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 20:06:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 20:06:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 20:06:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 20:06:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 20:06:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 20:06:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 20:06:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 20:06:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 20:06:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 20:06:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-21 20:06:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-21 20:06:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-21 20:06:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 20:06:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 20:06:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-21 20:06:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-21 20:06:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 20:06:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 20:06:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 20:06:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 20:06:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 20:06:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 20:06:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-21 20:06:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-21 20:06:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 20:06:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 20:06:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 20:06:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 20:06:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-21 20:06:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-21 20:06:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-21 20:06:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-21 20:06:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 20:06:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 20:06:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-21 20:06:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 20:06:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 20:06:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 20:06:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 20:06:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 20:06:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 20:06:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 20:06:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 20:06:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 20:06:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 20:06:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 20:06:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 20:06:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 20:06:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 20:06:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 20:06:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 20:06:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 20:06:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 20:06:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 20:06:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 20:06:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 20:06:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 20:06:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 20:06:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 20:06:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 20:06:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 20:06:22,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 20:06:22,280 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 20:06:22,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:06:22 BoogieIcfgContainer [2021-02-21 20:06:22,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 20:06:22,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 20:06:22,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 20:06:22,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 20:06:22,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:06:20" (1/3) ... [2021-02-21 20:06:22,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b97c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:06:22, skipping insertion in model container [2021-02-21 20:06:22,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:06:20" (2/3) ... [2021-02-21 20:06:22,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b97c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:06:22, skipping insertion in model container [2021-02-21 20:06:22,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:06:22" (3/3) ... [2021-02-21 20:06:22,292 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2021-02-21 20:06:22,298 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 20:06:22,303 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 20:06:22,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 20:06:22,343 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 20:06:22,343 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 20:06:22,343 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 20:06:22,344 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 20:06:22,344 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 20:06:22,344 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 20:06:22,344 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 20:06:22,344 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 20:06:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states. [2021-02-21 20:06:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-21 20:06:22,389 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:06:22,390 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] [2021-02-21 20:06:22,390 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:06:22,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:06:22,396 INFO L82 PathProgramCache]: Analyzing trace with hash 855766845, now seen corresponding path program 1 times [2021-02-21 20:06:22,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:06:22,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469069303] [2021-02-21 20:06:22,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:06:22,478 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:06:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:22,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:22,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:22,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:22,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,204 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:06:23,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:06:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:06:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:06:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:06:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:06:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-21 20:06:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-21 20:06:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-21 20:06:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:23,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:23,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-21 20:06:23,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469069303] [2021-02-21 20:06:23,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:06:23,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 20:06:23,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723827815] [2021-02-21 20:06:23,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 20:06:23,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:06:23,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 20:06:23,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 20:06:23,525 INFO L87 Difference]: Start difference. First operand 375 states. Second operand 4 states. [2021-02-21 20:06:25,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:06:25,388 INFO L93 Difference]: Finished difference Result 610 states and 717 transitions. [2021-02-21 20:06:25,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 20:06:25,391 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-21 20:06:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:06:25,409 INFO L225 Difference]: With dead ends: 610 [2021-02-21 20:06:25,409 INFO L226 Difference]: Without dead ends: 376 [2021-02-21 20:06:25,415 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 [2021-02-21 20:06:25,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-02-21 20:06:25,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 323. [2021-02-21 20:06:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2021-02-21 20:06:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 355 transitions. [2021-02-21 20:06:25,655 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 355 transitions. Word has length 165 [2021-02-21 20:06:25,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:06:25,656 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 355 transitions. [2021-02-21 20:06:25,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 20:06:25,657 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 355 transitions. [2021-02-21 20:06:25,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-21 20:06:25,661 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:06:25,662 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] [2021-02-21 20:06:25,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 20:06:25,662 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:06:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:06:25,663 INFO L82 PathProgramCache]: Analyzing trace with hash 2061395449, now seen corresponding path program 1 times [2021-02-21 20:06:25,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:06:25,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386614129] [2021-02-21 20:06:25,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:06:25,668 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:06:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:25,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:25,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:25,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:25,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:25,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:25,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,111 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:06:26,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:06:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:06:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:06:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:06:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:06:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 20:06:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-21 20:06:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-21 20:06:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:26,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:26,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-21 20:06:26,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386614129] [2021-02-21 20:06:26,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:06:26,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 20:06:26,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181854534] [2021-02-21 20:06:26,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 20:06:26,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:06:26,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 20:06:26,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 20:06:26,282 INFO L87 Difference]: Start difference. First operand 323 states and 355 transitions. Second operand 5 states. [2021-02-21 20:06:27,055 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:28,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:06:28,645 INFO L93 Difference]: Finished difference Result 528 states and 600 transitions. [2021-02-21 20:06:28,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 20:06:28,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-21 20:06:28,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:06:28,652 INFO L225 Difference]: With dead ends: 528 [2021-02-21 20:06:28,652 INFO L226 Difference]: Without dead ends: 365 [2021-02-21 20:06:28,655 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 [2021-02-21 20:06:28,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-02-21 20:06:28,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 313. [2021-02-21 20:06:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2021-02-21 20:06:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 342 transitions. [2021-02-21 20:06:28,796 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 342 transitions. Word has length 166 [2021-02-21 20:06:28,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:06:28,797 INFO L480 AbstractCegarLoop]: Abstraction has 313 states and 342 transitions. [2021-02-21 20:06:28,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 20:06:28,797 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 342 transitions. [2021-02-21 20:06:28,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-21 20:06:28,800 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:06:28,800 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] [2021-02-21 20:06:28,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 20:06:28,801 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:06:28,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:06:28,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1859213691, now seen corresponding path program 1 times [2021-02-21 20:06:28,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:06:28,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960735683] [2021-02-21 20:06:28,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:06:28,805 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:06:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:28,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:28,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:28,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:28,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:28,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:28,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:28,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:28,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:28,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:28,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:06:28,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:28,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,231 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:06:29,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:06:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:06:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:06:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:06:29,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:06:29,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:06:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:06:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 20:06:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:29,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 20:06:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-21 20:06:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-21 20:06:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:29,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:29,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-21 20:06:29,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960735683] [2021-02-21 20:06:29,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:06:29,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 20:06:29,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698762544] [2021-02-21 20:06:29,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 20:06:29,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:06:29,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 20:06:29,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-21 20:06:29,488 INFO L87 Difference]: Start difference. First operand 313 states and 342 transitions. Second operand 11 states. [2021-02-21 20:06:30,037 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:06:30,502 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:06:30,891 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:06:31,277 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:06:31,709 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:06:32,090 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:06:33,341 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:06:36,447 INFO L93 Difference]: Finished difference Result 874 states and 1019 transitions. [2021-02-21 20:06:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-21 20:06:36,448 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-21 20:06:36,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:06:36,455 INFO L225 Difference]: With dead ends: 874 [2021-02-21 20:06:36,456 INFO L226 Difference]: Without dead ends: 681 [2021-02-21 20:06:36,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-21 20:06:36,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2021-02-21 20:06:36,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 574. [2021-02-21 20:06:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2021-02-21 20:06:36,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 648 transitions. [2021-02-21 20:06:36,687 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 648 transitions. Word has length 179 [2021-02-21 20:06:36,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:06:36,688 INFO L480 AbstractCegarLoop]: Abstraction has 574 states and 648 transitions. [2021-02-21 20:06:36,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 20:06:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 648 transitions. [2021-02-21 20:06:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-21 20:06:36,692 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:06:36,693 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] [2021-02-21 20:06:36,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 20:06:36,693 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:06:36,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:06:36,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1930863980, now seen corresponding path program 1 times [2021-02-21 20:06:36,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:06:36,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087464992] [2021-02-21 20:06:36,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:06:36,697 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:06:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:36,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:36,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:36,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:36,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:36,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:36,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:36,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:36,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:36,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:36,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,178 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:06:37,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:37,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:06:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:06:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:06:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:06:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:06:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-21 20:06:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:37,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-21 20:06:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-21 20:06:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-21 20:06:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:37,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:37,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:37,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:37,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-21 20:06:37,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087464992] [2021-02-21 20:06:37,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:06:37,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 20:06:37,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151769808] [2021-02-21 20:06:37,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 20:06:37,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:06:37,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 20:06:37,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-21 20:06:37,435 INFO L87 Difference]: Start difference. First operand 574 states and 648 transitions. Second operand 10 states. [2021-02-21 20:06:38,022 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:06:39,076 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:06:39,416 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:06:40,896 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:06:41,278 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:06:41,647 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:06:42,147 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:06:42,557 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:06:42,991 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:44,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:06:44,371 INFO L93 Difference]: Finished difference Result 1339 states and 1600 transitions. [2021-02-21 20:06:44,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-21 20:06:44,372 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-21 20:06:44,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:06:44,379 INFO L225 Difference]: With dead ends: 1339 [2021-02-21 20:06:44,379 INFO L226 Difference]: Without dead ends: 885 [2021-02-21 20:06:44,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-21 20:06:44,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2021-02-21 20:06:44,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 792. [2021-02-21 20:06:44,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2021-02-21 20:06:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 890 transitions. [2021-02-21 20:06:44,771 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 890 transitions. Word has length 184 [2021-02-21 20:06:44,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:06:44,772 INFO L480 AbstractCegarLoop]: Abstraction has 792 states and 890 transitions. [2021-02-21 20:06:44,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 20:06:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 890 transitions. [2021-02-21 20:06:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-21 20:06:44,783 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:06:44,785 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:06:44,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 20:06:44,786 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:06:44,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:06:44,786 INFO L82 PathProgramCache]: Analyzing trace with hash 180752817, now seen corresponding path program 1 times [2021-02-21 20:06:44,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:06:44,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253612646] [2021-02-21 20:06:44,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:06:44,792 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:06:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:44,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:44,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:44,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:44,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,218 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:06:45,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:06:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:06:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:06:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:06:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:06:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 20:06:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 20:06:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-21 20:06:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:06:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:06:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:45,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:45,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:06:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:06:45,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:06:45,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:06:45,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:06:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:06:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:06:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:06:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:06:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-21 20:06:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-21 20:06:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:45,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:45,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:06:45,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253612646] [2021-02-21 20:06:45,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:06:45,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 20:06:45,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152557440] [2021-02-21 20:06:45,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 20:06:45,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:06:45,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 20:06:45,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-21 20:06:45,521 INFO L87 Difference]: Start difference. First operand 792 states and 890 transitions. Second operand 11 states. [2021-02-21 20:06:47,286 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:06:47,678 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:06:48,096 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 20:06:48,488 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:48,882 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:06:49,244 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:51,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:06:51,173 INFO L93 Difference]: Finished difference Result 1676 states and 2021 transitions. [2021-02-21 20:06:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-21 20:06:51,182 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 244 [2021-02-21 20:06:51,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:06:51,188 INFO L225 Difference]: With dead ends: 1676 [2021-02-21 20:06:51,188 INFO L226 Difference]: Without dead ends: 1004 [2021-02-21 20:06:51,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-21 20:06:51,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-02-21 20:06:51,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 811. [2021-02-21 20:06:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-02-21 20:06:51,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 910 transitions. [2021-02-21 20:06:51,552 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 910 transitions. Word has length 244 [2021-02-21 20:06:51,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:06:51,553 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 910 transitions. [2021-02-21 20:06:51,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 20:06:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 910 transitions. [2021-02-21 20:06:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-21 20:06:51,557 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:06:51,557 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:06:51,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 20:06:51,558 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:06:51,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:06:51,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1934916113, now seen corresponding path program 1 times [2021-02-21 20:06:51,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:06:51,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39676044] [2021-02-21 20:06:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:06:51,562 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:06:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:51,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:51,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:51,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:51,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:51,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:51,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:51,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:51,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:51,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:51,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:51,986 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:06:51,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:06:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:06:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:06:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:06:52,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:06:52,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:06:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:06:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 20:06:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 20:06:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:06:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-21 20:06:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:06:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:06:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:06:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:52,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:52,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:06:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:52,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:06:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:06:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:06:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:06:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-21 20:06:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-21 20:06:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:52,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:52,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:06:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:06:52,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39676044] [2021-02-21 20:06:52,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:06:52,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-21 20:06:52,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017659219] [2021-02-21 20:06:52,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-21 20:06:52,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:06:52,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-21 20:06:52,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-21 20:06:52,377 INFO L87 Difference]: Start difference. First operand 811 states and 910 transitions. Second operand 14 states. [2021-02-21 20:06:53,056 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:06:53,459 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:06:53,842 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:54,222 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:06:54,582 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:55,954 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:56,345 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:06:56,772 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:57,187 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:06:57,579 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:06:59,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:06:59,421 INFO L93 Difference]: Finished difference Result 1713 states and 2059 transitions. [2021-02-21 20:06:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-21 20:06:59,422 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 244 [2021-02-21 20:06:59,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:06:59,429 INFO L225 Difference]: With dead ends: 1713 [2021-02-21 20:06:59,429 INFO L226 Difference]: Without dead ends: 1022 [2021-02-21 20:06:59,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-21 20:06:59,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2021-02-21 20:06:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 823. [2021-02-21 20:06:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2021-02-21 20:06:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 922 transitions. [2021-02-21 20:06:59,751 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 922 transitions. Word has length 244 [2021-02-21 20:06:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:06:59,752 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 922 transitions. [2021-02-21 20:06:59,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-21 20:06:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 922 transitions. [2021-02-21 20:06:59,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-21 20:06:59,757 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:06:59,757 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:06:59,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 20:06:59,758 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:06:59,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:06:59,758 INFO L82 PathProgramCache]: Analyzing trace with hash 603418062, now seen corresponding path program 1 times [2021-02-21 20:06:59,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:06:59,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714130764] [2021-02-21 20:06:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:06:59,762 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:06:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:06:59,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:59,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:59,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:59,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:59,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:59,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:59,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:59,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:06:59,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:59,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:06:59,832 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-21 20:06:59,832 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-21 20:06:59,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:06:59,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,113 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:07:00,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:07:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:07:00,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:07:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:07:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:07:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:07:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:07:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-21 20:07:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 20:07:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:07:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-21 20:07:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:00,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:07:00,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:07:00,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:07:00,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:07:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:07:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:07:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:07:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:07:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:07:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-21 20:07:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-21 20:07:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:00,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:00,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:07:00,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714130764] [2021-02-21 20:07:00,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:07:00,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 20:07:00,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307449486] [2021-02-21 20:07:00,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 20:07:00,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:07:00,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 20:07:00,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-21 20:07:00,412 INFO L87 Difference]: Start difference. First operand 823 states and 922 transitions. Second operand 8 states. [2021-02-21 20:07:01,038 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:07:01,839 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:07:06,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:07:06,171 INFO L93 Difference]: Finished difference Result 2502 states and 3043 transitions. [2021-02-21 20:07:06,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-21 20:07:06,172 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 244 [2021-02-21 20:07:06,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:07:06,182 INFO L225 Difference]: With dead ends: 2502 [2021-02-21 20:07:06,183 INFO L226 Difference]: Without dead ends: 1799 [2021-02-21 20:07:06,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2021-02-21 20:07:06,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2021-02-21 20:07:06,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1531. [2021-02-21 20:07:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2021-02-21 20:07:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1745 transitions. [2021-02-21 20:07:06,883 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1745 transitions. Word has length 244 [2021-02-21 20:07:06,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:07:06,884 INFO L480 AbstractCegarLoop]: Abstraction has 1531 states and 1745 transitions. [2021-02-21 20:07:06,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 20:07:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1745 transitions. [2021-02-21 20:07:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-02-21 20:07:06,891 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:07:06,891 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:07:06,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 20:07:06,891 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:07:06,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:07:06,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1305022078, now seen corresponding path program 1 times [2021-02-21 20:07:06,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:07:06,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419897839] [2021-02-21 20:07:06,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:07:06,896 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:07:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,073 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-21 20:07:07,074 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-21 20:07:07,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,430 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:07:07,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:07:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:07:07,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:07:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:07:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:07:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:07:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:07:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 20:07:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:07,560 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-21 20:07:07,561 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-21 20:07:07,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-21 20:07:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-21 20:07:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:07:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-21 20:07:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:07:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:07:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:07:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:07:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:07:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-21 20:07:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:07,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-21 20:07:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:07,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:07,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:07:07,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419897839] [2021-02-21 20:07:07,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:07:07,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-21 20:07:07,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640782908] [2021-02-21 20:07:07,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-21 20:07:07,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:07:07,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-21 20:07:07,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-21 20:07:07,792 INFO L87 Difference]: Start difference. First operand 1531 states and 1745 transitions. Second operand 15 states. [2021-02-21 20:07:08,772 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-21 20:07:09,802 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:07:11,330 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-21 20:07:12,096 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-21 20:07:12,591 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:07:12,987 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:07:13,711 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-21 20:07:14,137 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:07:14,586 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:07:15,011 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:07:19,290 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-21 20:07:19,993 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:07:20,383 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:07:20,956 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:07:22,797 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-21 20:07:23,561 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-21 20:07:24,410 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-21 20:07:25,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:07:25,608 INFO L93 Difference]: Finished difference Result 4722 states and 5775 transitions. [2021-02-21 20:07:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-21 20:07:25,609 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 249 [2021-02-21 20:07:25,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:07:25,630 INFO L225 Difference]: With dead ends: 4722 [2021-02-21 20:07:25,630 INFO L226 Difference]: Without dead ends: 3602 [2021-02-21 20:07:25,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2021-02-21 20:07:25,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2021-02-21 20:07:27,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 2886. [2021-02-21 20:07:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2021-02-21 20:07:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3266 transitions. [2021-02-21 20:07:27,168 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3266 transitions. Word has length 249 [2021-02-21 20:07:27,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:07:27,169 INFO L480 AbstractCegarLoop]: Abstraction has 2886 states and 3266 transitions. [2021-02-21 20:07:27,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-21 20:07:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3266 transitions. [2021-02-21 20:07:27,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-02-21 20:07:27,178 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:07:27,179 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:07:27,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 20:07:27,180 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:07:27,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:07:27,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1403261074, now seen corresponding path program 1 times [2021-02-21 20:07:27,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:07:27,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546973233] [2021-02-21 20:07:27,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:07:27,557 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2021-02-21 20:07:27,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:27,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-02-21 20:07:27,843 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2021-02-21 20:07:27,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:27,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-02-21 20:07:27,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:27,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:27,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:27,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,218 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2021-02-21 20:07:28,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-02-21 20:07:28,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,546 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2021-02-21 20:07:28,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-02-21 20:07:28,563 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 20:07:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:28,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:28,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:07:28,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,949 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:07:28,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:07:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:28,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:07:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:28,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:07:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:28,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:07:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:28,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:28,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:28,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:07:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:07:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-21 20:07:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-21 20:07:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:29,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:29,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:07:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:29,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:29,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-21 20:07:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-21 20:07:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:07:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:07:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:07:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-21 20:07:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:07:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-02-21 20:07:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-02-21 20:07:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:07:29,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:07:29,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 20:07:29,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:07:29,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:07:29,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:07:29,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:29,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 20:07:29,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 20:07:29,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-02-21 20:07:29,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:07:29,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 20:07:29,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:07:29,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:07:29,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:29,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 20:07:29,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:07:29,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-02-21 20:07:29,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:07:29,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:07:29,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 20:07:29,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 20:07:29,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 20:07:29,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:29,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 20:07:29,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-02-21 20:07:29,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:29,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:29,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:07:29,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 20:07:29,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 20:07:29,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 20:07:29,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:29,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:29,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:29,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 20:07:29,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:29,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 20:07:29,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:29,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:07:29,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:29,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:29,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:07:29,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 20:07:29,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 20:07:29,662 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-21 20:07:29,663 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-21 20:07:29,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 20:07:29,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 20:07:29,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:29,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:29,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:29,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 20:07:29,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:29,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:29,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:29,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 20:07:29,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:29,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:29,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 20:07:30,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 20:07:30,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:30,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 20:07:30,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:30,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:30,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:30,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:07:30,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 20:07:30,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 20:07:30,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 20:07:30,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 20:07:30,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:30,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-21 20:07:30,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:30,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 20:07:30,430 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-21 20:07:30,431 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-21 20:07:30,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 20:07:30,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 20:07:30,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 20:07:30,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:07:30,572 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-21 20:07:30,572 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-21 20:07:30,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:30,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:30,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:30,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 20:07:30,793 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-21 20:07:30,794 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-21 20:07:30,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:30,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:30,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:30,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:30,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:30,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 20:07:31,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-21 20:07:31,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-21 20:07:31,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-21 20:07:31,194 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-21 20:07:31,195 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-21 20:07:31,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:31,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:31,380 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-21 20:07:31,381 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-21 20:07:31,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 20:07:31,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:31,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:31,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 20:07:31,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:31,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:31,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 20:07:31,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:31,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:31,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:31,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 20:07:31,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 20:07:31,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-21 20:07:31,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 20:07:31,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-21 20:07:31,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:31,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-21 20:07:32,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-21 20:07:32,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-21 20:07:32,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-21 20:07:32,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-21 20:07:32,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-21 20:07:32,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-21 20:07:32,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-21 20:07:32,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-21 20:07:32,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:32,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 20:07:32,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:32,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 20:07:32,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:32,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:32,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:32,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:32,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:32,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:32,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:32,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 20:07:33,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 20:07:33,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-21 20:07:33,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-21 20:07:33,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 20:07:33,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 20:07:33,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 20:07:33,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:07:33,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 20:07:33,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:07:33,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-21 20:07:33,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:07:33,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:07:33,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546973233] [2021-02-21 20:07:33,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:07:33,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-21 20:07:33,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683101257] [2021-02-21 20:07:33,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-21 20:07:33,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:07:33,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-21 20:07:33,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=4819, Unknown=0, NotChecked=0, Total=5256 [2021-02-21 20:07:33,457 INFO L87 Difference]: Start difference. First operand 2886 states and 3266 transitions. Second operand 67 states. [2021-02-21 20:07:34,167 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:07:35,102 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:07:35,503 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:07:35,958 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:07:36,374 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:07:36,838 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:07:37,254 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 20:07:37,723 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:07:38,159 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:07:38,601 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 20:07:39,104 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:07:39,621 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:07:40,157 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 20:07:40,715 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:07:41,266 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 20:07:41,845 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:07:42,756 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:07:43,606 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:07:44,059 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:07:44,557 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:07:44,943 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:07:45,433 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:07:45,839 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:07:46,264 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:07:47,194 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:07:47,570 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:07:48,818 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:07:49,292 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:07:49,724 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:07:50,263 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:07:50,810 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:07:51,468 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:07:52,109 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:07:52,766 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:07:53,302 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 20:07:53,882 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 20:07:54,398 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:07:55,057 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 20:07:55,726 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 20:07:56,544 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:07:57,478 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:07:58,021 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:07:58,600 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:07:59,668 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:08:00,787 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:08:01,447 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:08:01,930 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:08:02,512 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 20:08:03,047 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:08:03,548 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:08:04,048 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:08:04,561 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:08:05,305 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 20:08:05,831 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:08:06,351 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:08:06,902 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 20:08:07,378 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:08:07,957 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:08:08,634 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 20:08:09,193 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:08:09,682 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:08:10,222 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:08:10,707 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:08:11,508 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:08:13,869 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:08:15,215 WARN L202 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-21 20:08:17,328 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 20:08:18,584 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 20:08:19,831 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:08:20,470 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:08:21,373 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:08:22,034 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:08:22,568 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:08:24,691 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-21 20:08:25,475 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 20:08:27,116 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-21 20:08:29,494 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-21 20:08:31,407 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-21 20:08:33,016 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:08:33,693 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:08:34,915 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-21 20:08:35,406 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:08:36,022 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:08:37,103 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2021-02-21 20:08:38,147 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-21 20:08:38,558 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:08:40,393 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:08:40,795 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:08:42,064 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:08:42,506 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:08:42,974 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-21 20:08:43,696 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:08:46,116 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-21 20:08:46,750 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 20:08:47,758 WARN L202 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-21 20:08:48,429 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 20:08:50,957 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 20:08:51,570 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 20:08:54,455 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:08:54,899 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:08:55,377 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 20:08:55,803 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:08:56,269 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-21 20:08:56,795 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 20:08:57,664 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 20:09:00,131 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-21 20:09:00,793 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 20:09:01,979 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-21 20:09:02,711 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-21 20:09:05,205 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-21 20:09:05,908 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-21 20:09:07,420 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:09:08,590 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 20:09:09,251 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:09:09,931 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-21 20:09:10,475 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 20:09:11,402 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:09:37,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:09:37,508 INFO L93 Difference]: Finished difference Result 10835 states and 13789 transitions. [2021-02-21 20:09:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2021-02-21 20:09:37,509 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 363 [2021-02-21 20:09:37,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:09:37,566 INFO L225 Difference]: With dead ends: 10835 [2021-02-21 20:09:37,566 INFO L226 Difference]: Without dead ends: 8345 [2021-02-21 20:09:37,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 234 SyntacticMatches, 7 SemanticMatches, 756 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267617 ImplicationChecksByTransitivity, 88.1s TimeCoverageRelationStatistics Valid=23280, Invalid=550526, Unknown=0, NotChecked=0, Total=573806 [2021-02-21 20:09:37,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8345 states. [2021-02-21 20:09:40,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8345 to 5375. [2021-02-21 20:09:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5375 states. [2021-02-21 20:09:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5375 states to 5375 states and 6016 transitions. [2021-02-21 20:09:40,994 INFO L78 Accepts]: Start accepts. Automaton has 5375 states and 6016 transitions. Word has length 363 [2021-02-21 20:09:40,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:09:40,995 INFO L480 AbstractCegarLoop]: Abstraction has 5375 states and 6016 transitions. [2021-02-21 20:09:40,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-21 20:09:40,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5375 states and 6016 transitions. [2021-02-21 20:09:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-02-21 20:09:41,019 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:09:41,020 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:09:41,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 20:09:41,020 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:09:41,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:09:41,021 INFO L82 PathProgramCache]: Analyzing trace with hash -138534084, now seen corresponding path program 1 times [2021-02-21 20:09:41,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:09:41,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129491800] [2021-02-21 20:09:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:09:41,518 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 119 [2021-02-21 20:09:41,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:41,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-21 20:09:41,931 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 119 [2021-02-21 20:09:41,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:41,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-02-21 20:09:42,289 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 119 [2021-02-21 20:09:42,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:42,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-02-21 20:09:42,660 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 119 [2021-02-21 20:09:42,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:42,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-21 20:09:42,667 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 20:09:42,669 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:09:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:42,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:42,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:09:42,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:42,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:09:42,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:42,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:09:42,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:42,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:09:42,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:42,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,088 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:09:43,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:09:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:09:43,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:09:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:09:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:09:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:09:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:09:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 20:09:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-21 20:09:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:09:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:09:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-21 20:09:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:09:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:09:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:09:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:09:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:09:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:09:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-02-21 20:09:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:09:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:09:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:09:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:09:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:09:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:09:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:09:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-21 20:09:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-21 20:09:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-02-21 20:09:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:09:43,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:09:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:09:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:09:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:09:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:09:43,384 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-21 20:09:43,384 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-21 20:09:43,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 20:09:43,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:09:43,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:09:43,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:09:43,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:09:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:09:43,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:09:43,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:09:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-21 20:09:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-02-21 20:09:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-02-21 20:09:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:09:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-02-21 20:09:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:09:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:09:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:09:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:09:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:09:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:09:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-02-21 20:09:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-02-21 20:09:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:09:43,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:09:43,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:09:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:09:44,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129491800] [2021-02-21 20:09:44,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:09:44,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-21 20:09:44,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108123163] [2021-02-21 20:09:44,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-21 20:09:44,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:09:44,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-21 20:09:44,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-02-21 20:09:44,032 INFO L87 Difference]: Start difference. First operand 5375 states and 6016 transitions. Second operand 16 states. [2021-02-21 20:09:44,721 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:09:46,039 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:09:49,827 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:09:50,282 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:09:50,793 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:09:51,418 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:09:51,840 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:09:52,279 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:09:52,674 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:09:53,105 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:09:53,532 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:09:54,043 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:09:54,470 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:09:54,910 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:09:57,268 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:09:58,079 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2021-02-21 20:09:58,839 WARN L202 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2021-02-21 20:09:59,276 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:09:59,743 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-21 20:10:00,277 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-21 20:10:05,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:10:05,763 INFO L93 Difference]: Finished difference Result 15890 states and 18037 transitions. [2021-02-21 20:10:05,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-21 20:10:05,766 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 564 [2021-02-21 20:10:05,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:10:05,844 INFO L225 Difference]: With dead ends: 15890 [2021-02-21 20:10:05,844 INFO L226 Difference]: Without dead ends: 10656 [2021-02-21 20:10:05,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=500, Invalid=2050, Unknown=0, NotChecked=0, Total=2550 [2021-02-21 20:10:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10656 states. [2021-02-21 20:10:10,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10656 to 10459. [2021-02-21 20:10:10,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10459 states. [2021-02-21 20:10:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10459 states to 10459 states and 11611 transitions. [2021-02-21 20:10:10,872 INFO L78 Accepts]: Start accepts. Automaton has 10459 states and 11611 transitions. Word has length 564 [2021-02-21 20:10:10,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:10:10,873 INFO L480 AbstractCegarLoop]: Abstraction has 10459 states and 11611 transitions. [2021-02-21 20:10:10,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-21 20:10:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 10459 states and 11611 transitions. [2021-02-21 20:10:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2021-02-21 20:10:10,907 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:10:10,908 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:10:10,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 20:10:10,908 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:10:10,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:10:10,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1355024396, now seen corresponding path program 1 times [2021-02-21 20:10:10,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:10:10,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670789991] [2021-02-21 20:10:10,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:10:11,017 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 20:10:11,019 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:10:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:10:11,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:10:11,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:10:11,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,438 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:10:11,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:10:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:10:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:10:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:11,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:11,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:10:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:10:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 20:10:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-21 20:10:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:10:11,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-21 20:10:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:10:11,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-21 20:10:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,651 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-21 20:10:11,652 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-21 20:10:11,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,678 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-21 20:10:11,679 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-21 20:10:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,705 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-21 20:10:11,705 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-21 20:10:11,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:10:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:10:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,736 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-21 20:10:11,737 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-21 20:10:11,764 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-21 20:10:11,765 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-21 20:10:11,795 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-21 20:10:11,796 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-21 20:10:11,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:11,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:11,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:11,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:11,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:11,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:10:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:10:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-02-21 20:10:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:10:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:11,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:11,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:11,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:10:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:10:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:10:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-21 20:10:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-21 20:10:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-02-21 20:10:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:10:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:10:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:10:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-21 20:10:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-02-21 20:10:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-02-21 20:10:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:10:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:10:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:10:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-02-21 20:10:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2021-02-21 20:10:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:12,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:12,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:10:12,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670789991] [2021-02-21 20:10:12,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:10:12,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-02-21 20:10:12,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197070716] [2021-02-21 20:10:12,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-02-21 20:10:12,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:10:12,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-02-21 20:10:12,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-02-21 20:10:12,440 INFO L87 Difference]: Start difference. First operand 10459 states and 11611 transitions. Second operand 22 states. [2021-02-21 20:10:13,163 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:10:13,694 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:10:14,106 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:10:14,516 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:14,924 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:10:15,313 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:16,460 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:10:20,463 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:20,937 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:21,467 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:21,964 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:22,389 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:22,836 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:23,240 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:23,778 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:24,212 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:24,725 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:25,161 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:25,612 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:26,465 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-21 20:10:27,378 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-21 20:10:28,157 WARN L202 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-21 20:10:35,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:10:35,763 INFO L93 Difference]: Finished difference Result 20726 states and 23592 transitions. [2021-02-21 20:10:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-21 20:10:35,764 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 565 [2021-02-21 20:10:35,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:10:35,814 INFO L225 Difference]: With dead ends: 20726 [2021-02-21 20:10:35,815 INFO L226 Difference]: Without dead ends: 11374 [2021-02-21 20:10:35,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 130 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=880, Invalid=3676, Unknown=0, NotChecked=0, Total=4556 [2021-02-21 20:10:35,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11374 states. [2021-02-21 20:10:40,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11374 to 10015. [2021-02-21 20:10:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10015 states. [2021-02-21 20:10:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10015 states to 10015 states and 11064 transitions. [2021-02-21 20:10:40,370 INFO L78 Accepts]: Start accepts. Automaton has 10015 states and 11064 transitions. Word has length 565 [2021-02-21 20:10:40,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:10:40,370 INFO L480 AbstractCegarLoop]: Abstraction has 10015 states and 11064 transitions. [2021-02-21 20:10:40,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2021-02-21 20:10:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 10015 states and 11064 transitions. [2021-02-21 20:10:40,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-02-21 20:10:40,402 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:10:40,402 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:10:40,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-21 20:10:40,403 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:10:40,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:10:40,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1204153058, now seen corresponding path program 1 times [2021-02-21 20:10:40,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:10:40,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807135155] [2021-02-21 20:10:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:10:40,899 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2021-02-21 20:10:40,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:40,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-02-21 20:10:41,298 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2021-02-21 20:10:41,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:41,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-02-21 20:10:41,687 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2021-02-21 20:10:41,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:41,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-02-21 20:10:42,249 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2021-02-21 20:10:42,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:42,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-02-21 20:10:42,630 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-02-21 20:10:42,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:42,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-02-21 20:10:43,005 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 120 [2021-02-21 20:10:43,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:43,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-21 20:10:43,371 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-02-21 20:10:43,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:43,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-02-21 20:10:43,751 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 120 [2021-02-21 20:10:43,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:43,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-21 20:10:44,131 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 120 [2021-02-21 20:10:44,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:44,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-21 20:10:44,514 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-02-21 20:10:44,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:44,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-02-21 20:10:44,902 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 120 [2021-02-21 20:10:44,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:44,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-21 20:10:45,277 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-02-21 20:10:45,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-02-21 20:10:45,283 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 20:10:45,285 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:10:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:10:45,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:10:45,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:10:45,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,698 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:10:45,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:10:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:10:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:10:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:45,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:45,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:10:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:10:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 20:10:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-21 20:10:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-21 20:10:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:10:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:10:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:10:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:10:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-02-21 20:10:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:10:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-02-21 20:10:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:10:45,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:10:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:10:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:45,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:45,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:45,978 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-21 20:10:45,979 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-21 20:10:46,009 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-21 20:10:46,010 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-21 20:10:46,047 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-21 20:10:46,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-21 20:10:46,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:46,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:46,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:46,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:46,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:10:46,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:10:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:10:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-21 20:10:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-21 20:10:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-02-21 20:10:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:10:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:10:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:10:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-21 20:10:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-02-21 20:10:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-02-21 20:10:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:10:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-02-21 20:10:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:10:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:10:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:10:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:10:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:10:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-02-21 20:10:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-02-21 20:10:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:10:46,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:10:46,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:10:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:10:46,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807135155] [2021-02-21 20:10:46,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:10:46,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-02-21 20:10:46,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955021131] [2021-02-21 20:10:46,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-02-21 20:10:46,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:10:46,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-02-21 20:10:46,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-02-21 20:10:46,600 INFO L87 Difference]: Start difference. First operand 10015 states and 11064 transitions. Second operand 22 states. [2021-02-21 20:10:47,509 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:10:48,103 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:10:48,577 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:10:48,999 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:49,404 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:10:49,791 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:51,014 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:10:55,500 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:55,973 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:56,532 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:57,071 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:57,505 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:57,950 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:58,358 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:58,804 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:10:59,237 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:10:59,764 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:11:00,198 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:11:00,643 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:11:03,226 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-21 20:11:04,038 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-21 20:11:04,796 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-21 20:11:10,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:10,354 INFO L93 Difference]: Finished difference Result 19468 states and 22104 transitions. [2021-02-21 20:11:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-21 20:11:10,355 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 570 [2021-02-21 20:11:10,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:10,401 INFO L225 Difference]: With dead ends: 19468 [2021-02-21 20:11:10,401 INFO L226 Difference]: Without dead ends: 10560 [2021-02-21 20:11:10,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1198 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=894, Invalid=3798, Unknown=0, NotChecked=0, Total=4692 [2021-02-21 20:11:10,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10560 states. [2021-02-21 20:11:14,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10560 to 9150. [2021-02-21 20:11:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9150 states. [2021-02-21 20:11:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9150 states to 9150 states and 10089 transitions. [2021-02-21 20:11:14,992 INFO L78 Accepts]: Start accepts. Automaton has 9150 states and 10089 transitions. Word has length 570 [2021-02-21 20:11:14,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:14,993 INFO L480 AbstractCegarLoop]: Abstraction has 9150 states and 10089 transitions. [2021-02-21 20:11:14,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2021-02-21 20:11:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 9150 states and 10089 transitions. [2021-02-21 20:11:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-02-21 20:11:15,020 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:15,020 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:11:15,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-21 20:11:15,021 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:15,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1073187938, now seen corresponding path program 2 times [2021-02-21 20:11:15,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:15,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295587683] [2021-02-21 20:11:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:15,607 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 117 [2021-02-21 20:11:15,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:15,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-02-21 20:11:16,010 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 117 [2021-02-21 20:11:16,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:16,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-21 20:11:16,421 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 117 [2021-02-21 20:11:16,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:16,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-02-21 20:11:16,816 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 117 [2021-02-21 20:11:16,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:16,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-21 20:11:16,822 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 20:11:16,824 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:16,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:16,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:16,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:16,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:16,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:16,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,212 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:11:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:11:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:11:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:11:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:11:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:11:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 20:11:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-21 20:11:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:17,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-21 20:11:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:11:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:11:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:11:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:11:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,377 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-21 20:11:17,377 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-21 20:11:17,397 WARN L141 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-02-21 20:11:17,398 WARN L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-02-21 20:11:17,419 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-21 20:11:17,419 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-21 20:11:17,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:17,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:17,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-02-21 20:11:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:17,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:17,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:17,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:11:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:17,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:11:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:11:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-21 20:11:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-21 20:11:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,591 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:11:17,592 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:11:17,612 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:11:17,613 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:11:17,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:17,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:17,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:17,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-02-21 20:11:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-02-21 20:11:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:11:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:11:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-21 20:11:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-02-21 20:11:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-02-21 20:11:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-02-21 20:11:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:11:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:11:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:11:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-02-21 20:11:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-02-21 20:11:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:17,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:17,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:11:17,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295587683] [2021-02-21 20:11:17,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:17,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-21 20:11:17,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629442721] [2021-02-21 20:11:17,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-21 20:11:17,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:17,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-21 20:11:17,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-02-21 20:11:17,950 INFO L87 Difference]: Start difference. First operand 9150 states and 10089 transitions. Second operand 17 states. [2021-02-21 20:11:20,273 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 20:11:20,693 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:11:21,219 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:11:21,662 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:11:22,062 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:11:22,465 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:11:25,069 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:11:25,521 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-21 20:11:35,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:35,263 INFO L93 Difference]: Finished difference Result 25959 states and 30201 transitions. [2021-02-21 20:11:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-21 20:11:35,264 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 570 [2021-02-21 20:11:35,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:35,327 INFO L225 Difference]: With dead ends: 25959 [2021-02-21 20:11:35,327 INFO L226 Difference]: Without dead ends: 15402 [2021-02-21 20:11:35,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 131 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2021-02-21 20:11:35,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15402 states. [2021-02-21 20:11:41,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15402 to 11717. [2021-02-21 20:11:41,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11717 states. [2021-02-21 20:11:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11717 states to 11717 states and 13087 transitions. [2021-02-21 20:11:41,270 INFO L78 Accepts]: Start accepts. Automaton has 11717 states and 13087 transitions. Word has length 570 [2021-02-21 20:11:41,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:41,271 INFO L480 AbstractCegarLoop]: Abstraction has 11717 states and 13087 transitions. [2021-02-21 20:11:41,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-21 20:11:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 11717 states and 13087 transitions. [2021-02-21 20:11:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2021-02-21 20:11:41,306 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:41,307 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:11:41,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-21 20:11:41,307 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:41,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:41,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1687313847, now seen corresponding path program 1 times [2021-02-21 20:11:41,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:41,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071493335] [2021-02-21 20:11:41,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:41,794 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 119 [2021-02-21 20:11:41,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:41,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-21 20:11:42,187 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 119 [2021-02-21 20:11:42,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:42,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-02-21 20:11:42,704 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 119 [2021-02-21 20:11:42,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:42,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-21 20:11:43,107 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 119 [2021-02-21 20:11:43,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-02-21 20:11:43,117 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 20:11:43,119 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:43,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,542 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 20:11:43,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:11:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-21 20:11:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-21 20:11:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:43,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:43,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-21 20:11:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-21 20:11:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-21 20:11:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-21 20:11:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-21 20:11:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:11:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:11:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:11:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:11:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-02-21 20:11:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:43,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:43,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:11:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:11:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:43,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:43,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:11:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-21 20:11:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:43,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-21 20:11:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 20:11:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:43,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-21 20:11:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-02-21 20:11:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 20:11:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:11:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-21 20:11:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-02-21 20:11:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-02-21 20:11:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:43,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:43,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:43,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-02-21 20:11:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 20:11:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-21 20:11:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 20:11:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 20:11:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 20:11:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-02-21 20:11:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-02-21 20:11:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:44,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:44,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:11:44,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071493335] [2021-02-21 20:11:44,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:44,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-21 20:11:44,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771041526] [2021-02-21 20:11:44,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-21 20:11:44,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:44,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-21 20:11:44,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-02-21 20:11:44,227 INFO L87 Difference]: Start difference. First operand 11717 states and 13087 transitions. Second operand 19 states. [2021-02-21 20:11:44,983 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:11:45,498 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:11:45,912 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-21 20:11:46,322 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:11:46,727 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-21 20:11:47,121 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-21 20:11:48,502 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:11:48,962 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:11:50,166 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:11:50,639 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:11:51,052 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:11:53,528 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 20:11:54,867 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:11:55,281 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:11:57,314 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:11:57,739 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-21 20:11:58,136 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 20:12:04,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:12:04,127 INFO L93 Difference]: Finished difference Result 24118 states and 27809 transitions. [2021-02-21 20:12:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-21 20:12:04,127 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 580 [2021-02-21 20:12:04,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:12:04,178 INFO L225 Difference]: With dead ends: 24118 [2021-02-21 20:12:04,178 INFO L226 Difference]: Without dead ends: 13474 [2021-02-21 20:12:04,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 766 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=633, Invalid=2559, Unknown=0, NotChecked=0, Total=3192 [2021-02-21 20:12:04,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13474 states. [2021-02-21 20:12:09,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13474 to 11050. [2021-02-21 20:12:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11050 states. [2021-02-21 20:12:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 12226 transitions. [2021-02-21 20:12:09,619 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 12226 transitions. Word has length 580 [2021-02-21 20:12:09,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:12:09,620 INFO L480 AbstractCegarLoop]: Abstraction has 11050 states and 12226 transitions. [2021-02-21 20:12:09,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-21 20:12:09,620 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 12226 transitions. [2021-02-21 20:12:09,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-02-21 20:12:09,644 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:12:09,644 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:12:09,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-21 20:12:09,645 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:12:09,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:12:09,645 INFO L82 PathProgramCache]: Analyzing trace with hash 796538799, now seen corresponding path program 1 times [2021-02-21 20:12:09,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:12:09,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559955056] [2021-02-21 20:12:09,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:12:10,348 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2021-02-21 20:12:10,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:10,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-02-21 20:12:10,726 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2021-02-21 20:12:10,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:10,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-02-21 20:12:11,124 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2021-02-21 20:12:11,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-02-21 20:12:11,520 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2021-02-21 20:12:11,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-02-21 20:12:11,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,970 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 118 [2021-02-21 20:12:11,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-02-21 20:12:11,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,567 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 118 [2021-02-21 20:12:12,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-02-21 20:12:12,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:12,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:12,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,078 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 118 [2021-02-21 20:12:13,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-02-21 20:12:13,471 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 118 [2021-02-21 20:12:13,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-02-21 20:12:13,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,879 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2021-02-21 20:12:13,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-02-21 20:12:13,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,294 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2021-02-21 20:12:14,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-02-21 20:12:14,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,693 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2021-02-21 20:12:14,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-02-21 20:12:15,099 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2021-02-21 20:12:15,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-02-21 20:12:15,499 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2021-02-21 20:12:15,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-02-21 20:12:15,882 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2021-02-21 20:12:15,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-02-21 20:12:16,261 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2021-02-21 20:12:16,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-02-21 20:12:16,753 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2021-02-21 20:12:16,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-02-21 20:12:16,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,822 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-21 20:12:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 20:12:17,020 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 20:12:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 20:12:17,176 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 20:12:17,512 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-21 20:12:17,513 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 20:12:17,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-21 20:12:17,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:12:17 BoogieIcfgContainer [2021-02-21 20:12:17,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 20:12:17,564 INFO L168 Benchmark]: Toolchain (without parser) took 357543.64 ms. Allocated memory was 164.6 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 119.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-02-21 20:12:17,564 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 164.6 MB. Free memory is still 136.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 20:12:17,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.42 ms. Allocated memory is still 164.6 MB. Free memory was 118.3 MB in the beginning and 138.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 8.3 MB. Max. memory is 8.0 GB. [2021-02-21 20:12:17,564 INFO L168 Benchmark]: Boogie Preprocessor took 125.47 ms. Allocated memory is still 164.6 MB. Free memory was 138.4 MB in the beginning and 134.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-21 20:12:17,565 INFO L168 Benchmark]: RCFGBuilder took 1416.18 ms. Allocated memory was 164.6 MB in the beginning and 203.4 MB in the end (delta: 38.8 MB). Free memory was 134.6 MB in the beginning and 124.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 8.0 GB. [2021-02-21 20:12:17,565 INFO L168 Benchmark]: TraceAbstraction took 355278.30 ms. Allocated memory was 203.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 123.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-02-21 20:12:17,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 164.6 MB. Free memory is still 136.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 702.42 ms. Allocated memory is still 164.6 MB. Free memory was 118.3 MB in the beginning and 138.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 8.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 125.47 ms. Allocated memory is still 164.6 MB. Free memory was 138.4 MB in the beginning and 134.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1416.18 ms. Allocated memory was 164.6 MB in the beginning and 203.4 MB in the end (delta: 38.8 MB). Free memory was 134.6 MB in the beginning and 124.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 355278.30 ms. Allocated memory was 203.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 123.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L45] int switchedOnBeforeTS ; [L177] int pumpRunning = 0; [L178] int systemActive = 1; [L443] int waterLevel = 1; [L444] int methaneLevelCritical = 0; [L546] int cleanupTimeShifts = 4; [L859] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int retValue_acc ; [L624] int tmp ; [L628] FCALL select_helpers() [L629] FCALL select_features() [L630] CALL, EXPR valid_product() [L681] int retValue_acc ; [L684] retValue_acc = 1 [L685] return (retValue_acc); [L630] RET, EXPR valid_product() [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L634] FCALL setup() [L635] CALL runTest() [L613] CALL __utac_acc__Specification5_spec__1() [L50] switchedOnBeforeTS = 0 [L613] RET __utac_acc__Specification5_spec__1() [L614] CALL test() [L101] int splverifierCounter ; [L102] int tmp ; [L103] int tmp___0 ; [L104] int tmp___1 ; [L105] int tmp___2 ; [L108] splverifierCounter = 0 [L110] COND TRUE 1 [L112] COND TRUE splverifierCounter < 4 [L118] tmp = __VERIFIER_nondet_int() [L120] COND TRUE \read(tmp) [L122] CALL waterRise() [L461] COND TRUE waterLevel < 2 [L462] waterLevel = waterLevel + 1 [L122] RET waterRise() [L128] tmp___0 = __VERIFIER_nondet_int() [L130] COND FALSE !(\read(tmp___0)) [L138] tmp___2 = __VERIFIER_nondet_int() [L140] COND FALSE !(\read(tmp___2)) [L146] tmp___1 = __VERIFIER_nondet_int() [L148] COND FALSE !(\read(tmp___1)) [L157] CALL timeShift() [L185] CALL __utac_acc__Specification5_spec__2() [L59] CALL, EXPR isPumpRunning() [L337] int retValue_acc ; [L340] retValue_acc = pumpRunning [L341] return (retValue_acc); [L59] RET, EXPR isPumpRunning() [L59] switchedOnBeforeTS = isPumpRunning() [L185] RET __utac_acc__Specification5_spec__2() [L187] COND FALSE !(\read(pumpRunning)) [L194] COND TRUE \read(systemActive) [L196] CALL processEnvironment() [L268] int tmp ; [L271] COND FALSE !(\read(pumpRunning)) [L286] CALL processEnvironment__wrappee__methaneQuery() [L242] int tmp ; [L245] COND FALSE !(\read(pumpRunning)) [L260] CALL processEnvironment__wrappee__highWaterSensor() [L216] int tmp ; [L219] COND TRUE ! pumpRunning [L221] CALL, EXPR isHighWaterLevel() [L382] int retValue_acc ; [L383] int tmp ; [L384] int tmp___0 ; [L388] CALL, EXPR isHighWaterSensorDry() [L523] int retValue_acc ; [L526] COND FALSE !(waterLevel < 2) [L530] retValue_acc = 0 [L531] return (retValue_acc); [L388] RET, EXPR isHighWaterSensorDry() [L388] tmp = isHighWaterSensorDry() [L390] COND FALSE !(\read(tmp)) [L393] tmp___0 = 1 [L395] retValue_acc = tmp___0 [L396] return (retValue_acc); [L221] RET, EXPR isHighWaterLevel() [L221] tmp = isHighWaterLevel() [L223] COND TRUE \read(tmp) [L225] CALL activatePump() [L301] int tmp ; [L305] CALL, EXPR isMethaneAlarm() [L326] int retValue_acc ; [L330] CALL, EXPR isMethaneLevelCritical() [L482] int retValue_acc ; [L485] retValue_acc = methaneLevelCritical [L486] return (retValue_acc); [L330] RET, EXPR isMethaneLevelCritical() [L330] retValue_acc = isMethaneLevelCritical() [L332] return (retValue_acc); [L305] RET, EXPR isMethaneAlarm() [L305] tmp = isMethaneAlarm() [L307] COND FALSE !(\read(tmp)) [L311] CALL activatePump__wrappee__lowWaterSensor() [L296] pumpRunning = 1 [L311] RET activatePump__wrappee__lowWaterSensor() [L225] RET activatePump() [L260] RET processEnvironment__wrappee__highWaterSensor() [L286] RET processEnvironment__wrappee__methaneQuery() [L196] RET processEnvironment() [L202] CALL __utac_acc__Specification5_spec__3() [L65] int tmp ; [L66] int tmp___0 ; [L70] CALL, EXPR getWaterLevel() [L514] int retValue_acc ; [L517] retValue_acc = waterLevel [L518] return (retValue_acc); [L70] RET, EXPR getWaterLevel() [L70] tmp = getWaterLevel() [L72] COND FALSE !(tmp != 2) [L202] RET __utac_acc__Specification5_spec__3() [L157] RET timeShift() [L110] COND TRUE 1 [L112] COND TRUE splverifierCounter < 4 [L118] tmp = __VERIFIER_nondet_int() [L120] COND FALSE !(\read(tmp)) [L128] tmp___0 = __VERIFIER_nondet_int() [L130] COND FALSE !(\read(tmp___0)) [L138] tmp___2 = __VERIFIER_nondet_int() [L140] COND FALSE !(\read(tmp___2)) [L146] tmp___1 = __VERIFIER_nondet_int() [L148] COND FALSE !(\read(tmp___1)) [L157] CALL timeShift() [L185] CALL __utac_acc__Specification5_spec__2() [L59] CALL, EXPR isPumpRunning() [L337] int retValue_acc ; [L340] retValue_acc = pumpRunning [L341] return (retValue_acc); [L59] RET, EXPR isPumpRunning() [L59] switchedOnBeforeTS = isPumpRunning() [L185] RET __utac_acc__Specification5_spec__2() [L187] COND TRUE \read(pumpRunning) [L189] CALL lowerWaterLevel() [L449] COND TRUE waterLevel > 0 [L450] waterLevel = waterLevel - 1 [L189] RET lowerWaterLevel() [L194] COND TRUE \read(systemActive) [L196] CALL processEnvironment() [L268] int tmp ; [L271] COND TRUE \read(pumpRunning) [L273] CALL, EXPR isMethaneAlarm() [L326] int retValue_acc ; [L330] CALL, EXPR isMethaneLevelCritical() [L482] int retValue_acc ; [L485] retValue_acc = methaneLevelCritical [L486] return (retValue_acc); [L330] RET, EXPR isMethaneLevelCritical() [L330] retValue_acc = isMethaneLevelCritical() [L332] return (retValue_acc); [L273] RET, EXPR isMethaneAlarm() [L273] tmp = isMethaneAlarm() [L275] COND FALSE !(\read(tmp)) [L281] CALL processEnvironment__wrappee__methaneQuery() [L242] int tmp ; [L245] COND TRUE \read(pumpRunning) [L247] CALL, EXPR isLowWaterLevel() [L401] int retValue_acc ; [L402] int tmp ; [L403] int tmp___0 ; [L407] CALL, EXPR isLowWaterSensorDry() [L537] int retValue_acc ; [L540] retValue_acc = waterLevel == 0 [L541] return (retValue_acc); [L407] RET, EXPR isLowWaterSensorDry() [L407] tmp = isLowWaterSensorDry() [L409] COND TRUE \read(tmp) [L410] tmp___0 = 0 [L414] retValue_acc = tmp___0 [L415] return (retValue_acc); [L247] RET, EXPR isLowWaterLevel() [L247] tmp = isLowWaterLevel() [L249] COND FALSE !(\read(tmp)) [L255] CALL processEnvironment__wrappee__highWaterSensor() [L216] int tmp ; [L219] COND FALSE !(! pumpRunning) [L234] FCALL processEnvironment__wrappee__base() [L255] RET processEnvironment__wrappee__highWaterSensor() [L281] RET processEnvironment__wrappee__methaneQuery() [L196] RET processEnvironment() [L202] CALL __utac_acc__Specification5_spec__3() [L65] int tmp ; [L66] int tmp___0 ; [L70] CALL, EXPR getWaterLevel() [L514] int retValue_acc ; [L517] retValue_acc = waterLevel [L518] return (retValue_acc); [L70] RET, EXPR getWaterLevel() [L70] tmp = getWaterLevel() [L72] COND TRUE tmp != 2 [L74] CALL, EXPR isPumpRunning() [L337] int retValue_acc ; [L340] retValue_acc = pumpRunning [L341] return (retValue_acc); [L74] RET, EXPR isPumpRunning() [L74] tmp___0 = isPumpRunning() [L76] COND TRUE \read(tmp___0) [L77] COND FALSE !(! switchedOnBeforeTS) [L202] RET __utac_acc__Specification5_spec__3() [L157] RET timeShift() [L110] COND TRUE 1 [L112] COND TRUE splverifierCounter < 4 [L118] tmp = __VERIFIER_nondet_int() [L120] COND FALSE !(\read(tmp)) [L128] tmp___0 = __VERIFIER_nondet_int() [L130] COND TRUE \read(tmp___0) [L132] CALL changeMethaneLevel() [L473] COND FALSE !(\read(methaneLevelCritical)) [L476] methaneLevelCritical = 1 [L132] RET changeMethaneLevel() [L138] tmp___2 = __VERIFIER_nondet_int() [L140] COND FALSE !(\read(tmp___2)) [L146] tmp___1 = __VERIFIER_nondet_int() [L148] COND FALSE !(\read(tmp___1)) [L157] CALL timeShift() [L185] CALL __utac_acc__Specification5_spec__2() [L59] CALL, EXPR isPumpRunning() [L337] int retValue_acc ; [L340] retValue_acc = pumpRunning [L341] return (retValue_acc); [L59] RET, EXPR isPumpRunning() [L59] switchedOnBeforeTS = isPumpRunning() [L185] RET __utac_acc__Specification5_spec__2() [L187] COND TRUE \read(pumpRunning) [L189] CALL lowerWaterLevel() [L449] COND TRUE waterLevel > 0 [L450] waterLevel = waterLevel - 1 [L189] RET lowerWaterLevel() [L194] COND TRUE \read(systemActive) [L196] CALL processEnvironment() [L268] int tmp ; [L271] COND TRUE \read(pumpRunning) [L273] CALL, EXPR isMethaneAlarm() [L326] int retValue_acc ; [L330] CALL, EXPR isMethaneLevelCritical() [L482] int retValue_acc ; [L485] retValue_acc = methaneLevelCritical [L486] return (retValue_acc); [L330] RET, EXPR isMethaneLevelCritical() [L330] retValue_acc = isMethaneLevelCritical() [L332] return (retValue_acc); [L273] RET, EXPR isMethaneAlarm() [L273] tmp = isMethaneAlarm() [L275] COND TRUE \read(tmp) [L277] CALL deactivatePump() [L321] pumpRunning = 0 [L277] RET deactivatePump() [L196] RET processEnvironment() [L202] CALL __utac_acc__Specification5_spec__3() [L65] int tmp ; [L66] int tmp___0 ; [L70] CALL, EXPR getWaterLevel() [L514] int retValue_acc ; [L517] retValue_acc = waterLevel [L518] return (retValue_acc); [L70] RET, EXPR getWaterLevel() [L70] tmp = getWaterLevel() [L72] COND FALSE !(tmp != 2) [L202] RET __utac_acc__Specification5_spec__3() [L157] RET timeShift() [L110] COND TRUE 1 [L112] COND TRUE splverifierCounter < 4 [L118] tmp = __VERIFIER_nondet_int() [L120] COND FALSE !(\read(tmp)) [L128] tmp___0 = __VERIFIER_nondet_int() [L130] COND TRUE \read(tmp___0) [L132] CALL changeMethaneLevel() [L473] COND TRUE \read(methaneLevelCritical) [L474] methaneLevelCritical = 0 [L132] RET changeMethaneLevel() [L138] tmp___2 = __VERIFIER_nondet_int() [L140] COND FALSE !(\read(tmp___2)) [L146] tmp___1 = __VERIFIER_nondet_int() [L148] COND FALSE !(\read(tmp___1)) [L157] CALL timeShift() [L185] CALL __utac_acc__Specification5_spec__2() [L59] CALL, EXPR isPumpRunning() [L337] int retValue_acc ; [L340] retValue_acc = pumpRunning [L341] return (retValue_acc); [L59] RET, EXPR isPumpRunning() [L59] switchedOnBeforeTS = isPumpRunning() [L185] RET __utac_acc__Specification5_spec__2() [L187] COND FALSE !(\read(pumpRunning)) [L194] COND TRUE \read(systemActive) [L196] CALL processEnvironment() [L268] int tmp ; [L271] COND FALSE !(\read(pumpRunning)) [L286] CALL processEnvironment__wrappee__methaneQuery() [L242] int tmp ; [L245] COND FALSE !(\read(pumpRunning)) [L260] CALL processEnvironment__wrappee__highWaterSensor() [L216] int tmp ; [L219] COND TRUE ! pumpRunning [L221] CALL, EXPR isHighWaterLevel() [L382] int retValue_acc ; [L383] int tmp ; [L384] int tmp___0 ; [L388] CALL, EXPR isHighWaterSensorDry() [L523] int retValue_acc ; [L526] COND FALSE !(waterLevel < 2) [L530] retValue_acc = 0 [L531] return (retValue_acc); [L388] RET, EXPR isHighWaterSensorDry() [L388] tmp = isHighWaterSensorDry() [L390] COND FALSE !(\read(tmp)) [L393] tmp___0 = 1 [L395] retValue_acc = tmp___0 [L396] return (retValue_acc); [L221] RET, EXPR isHighWaterLevel() [L221] tmp = isHighWaterLevel() [L223] COND TRUE \read(tmp) [L225] CALL activatePump() [L301] int tmp ; [L305] CALL, EXPR isMethaneAlarm() [L326] int retValue_acc ; [L330] CALL, EXPR isMethaneLevelCritical() [L482] int retValue_acc ; [L485] retValue_acc = methaneLevelCritical [L486] return (retValue_acc); [L330] RET, EXPR isMethaneLevelCritical() [L330] retValue_acc = isMethaneLevelCritical() [L332] return (retValue_acc); [L305] RET, EXPR isMethaneAlarm() [L305] tmp = isMethaneAlarm() [L307] COND FALSE !(\read(tmp)) [L311] CALL activatePump__wrappee__lowWaterSensor() [L296] pumpRunning = 1 [L311] RET activatePump__wrappee__lowWaterSensor() [L225] RET activatePump() [L260] RET processEnvironment__wrappee__highWaterSensor() [L286] RET processEnvironment__wrappee__methaneQuery() [L196] RET processEnvironment() [L202] CALL __utac_acc__Specification5_spec__3() [L65] int tmp ; [L66] int tmp___0 ; [L70] CALL, EXPR getWaterLevel() [L514] int retValue_acc ; [L517] retValue_acc = waterLevel [L518] return (retValue_acc); [L70] RET, EXPR getWaterLevel() [L70] tmp = getWaterLevel() [L72] COND TRUE tmp != 2 [L74] CALL, EXPR isPumpRunning() [L337] int retValue_acc ; [L340] retValue_acc = pumpRunning [L341] return (retValue_acc); [L74] RET, EXPR isPumpRunning() [L74] tmp___0 = isPumpRunning() [L76] COND TRUE \read(tmp___0) [L77] COND TRUE ! switchedOnBeforeTS [L79] CALL __automaton_fail() [L650] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 690 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 355.1s, OverallIterations: 15, TraceHistogramMax: 6, AutomataDifference: 285.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5476 SDtfs, 21487 SDslu, 20335 SDs, 0 SdLazy, 69560 SolverSat, 12534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2443 GetRequests, 1202 SyntacticMatches, 23 SemanticMatches, 1218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273592 ImplicationChecksByTransitivity, 157.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 32.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 13726 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...