/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:50:46,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:50:46,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:50:46,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:50:46,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:50:46,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:50:46,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:50:46,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:50:46,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:50:46,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:50:46,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:50:46,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:50:46,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:50:46,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:50:46,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:50:46,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:50:46,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:50:46,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:50:46,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:50:46,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:50:46,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:50:46,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:50:46,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:50:46,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:50:46,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:50:46,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:50:46,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:50:46,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:50:46,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:50:46,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:50:46,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:50:46,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:50:46,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:50:46,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:50:46,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:50:46,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:50:46,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:50:46,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:50:46,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:50:46,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:50:46,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:50:46,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 03:50:46,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:50:46,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:50:46,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:50:46,929 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:50:46,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:50:46,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:50:46,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:50:46,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:50:46,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:50:46,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:50:46,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:50:46,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:50:46,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:50:46,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:50:46,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:50:46,933 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:50:46,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:50:46,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:50:46,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:50:46,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:50:46,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:50:46,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:50:46,934 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:50:46,935 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:50:47,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:50:47,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:50:47,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:50:47,414 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:50:47,415 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:50:47,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2021-02-24 03:50:47,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc0fda72/c4fc531c41184f4590e3b4b88ef66c59/FLAG253c9664f [2021-02-24 03:50:48,259 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:50:48,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2021-02-24 03:50:48,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc0fda72/c4fc531c41184f4590e3b4b88ef66c59/FLAG253c9664f [2021-02-24 03:50:48,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc0fda72/c4fc531c41184f4590e3b4b88ef66c59 [2021-02-24 03:50:48,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:50:48,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:50:48,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:50:48,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:50:48,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:50:48,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:50:48" (1/1) ... [2021-02-24 03:50:48,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1313a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:48, skipping insertion in model container [2021-02-24 03:50:48,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:50:48" (1/1) ... [2021-02-24 03:50:48,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:50:48,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:50:49,052 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_product60.cil.c[17751,17764] [2021-02-24 03:50:49,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:50:49,102 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:50:49,202 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_product60.cil.c[17751,17764] [2021-02-24 03:50:49,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:50:49,253 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:50:49,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49 WrapperNode [2021-02-24 03:50:49,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:50:49,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:50:49,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:50:49,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:50:49,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (1/1) ... [2021-02-24 03:50:49,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (1/1) ... [2021-02-24 03:50:49,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (1/1) ... [2021-02-24 03:50:49,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (1/1) ... [2021-02-24 03:50:49,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (1/1) ... [2021-02-24 03:50:49,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (1/1) ... [2021-02-24 03:50:49,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (1/1) ... [2021-02-24 03:50:49,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:50:49,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:50:49,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:50:49,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:50:49,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:50:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:50:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:50:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:50:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:50:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:50:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:50:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:50:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:50:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-24 03:50:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:50:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:50:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:50:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:50:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:50:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-24 03:50:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-24 03:50:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-24 03:50:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-24 03:50:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:50:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:50:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:50:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:50:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:50:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:50:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:50:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:50:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:50:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:50:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:50:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:50:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:50:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:50:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:50:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:50:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:50:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:50:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:50:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:50:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:50:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:50:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:50:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:50:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:50:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:50:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-24 03:50:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-24 03:50:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:50:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:50:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:50:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:50:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:50:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:50:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:50:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:50:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:50:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-24 03:50:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-24 03:50:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:50:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:50:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:50:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:50:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:50:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-24 03:50:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-24 03:50:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:50:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:50:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:50:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:50:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-24 03:50:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:50:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-24 03:50:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-24 03:50:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:50:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:50:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:50:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:50:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:50:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:50:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:50:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:50:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:50:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:50:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:50:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:50:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:50:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:50:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:50:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:50:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:50:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:50:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:50:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:50:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:50:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:50:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:50:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:50:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:50:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:50:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:50:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:50:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:50:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:50:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:50:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:50:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:50:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:50:51,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:50:51,280 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:50:51,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:50:51 BoogieIcfgContainer [2021-02-24 03:50:51,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:50:51,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:50:51,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:50:51,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:50:51,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:50:48" (1/3) ... [2021-02-24 03:50:51,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff1280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:50:51, skipping insertion in model container [2021-02-24 03:50:51,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:50:49" (2/3) ... [2021-02-24 03:50:51,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff1280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:50:51, skipping insertion in model container [2021-02-24 03:50:51,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:50:51" (3/3) ... [2021-02-24 03:50:51,294 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2021-02-24 03:50:51,302 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:50:51,308 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:50:51,329 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:50:51,356 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:50:51,356 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:50:51,356 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:50:51,357 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:50:51,357 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:50:51,357 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:50:51,357 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:50:51,357 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:50:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2021-02-24 03:50:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-24 03:50:51,406 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:50:51,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:50:51,407 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:50:51,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:50:51,414 INFO L82 PathProgramCache]: Analyzing trace with hash -21399929, now seen corresponding path program 1 times [2021-02-24 03:50:51,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:50:51,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [346036221] [2021-02-24 03:50:51,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:50:51,513 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:50:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:51,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:51,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:51,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:51,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,545 WARN L202 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:50:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:50:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:50:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:50:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:50:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:50:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:50:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-24 03:50:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:50:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-24 03:50:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:50:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:52,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:52,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:50:52,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [346036221] [2021-02-24 03:50:52,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:50:52,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:50:52,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641747371] [2021-02-24 03:50:52,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:50:52,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:50:52,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:50:52,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:50:52,832 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 4 states. [2021-02-24 03:50:54,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:50:54,663 INFO L93 Difference]: Finished difference Result 584 states and 680 transitions. [2021-02-24 03:50:54,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 03:50:54,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-24 03:50:54,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:50:54,694 INFO L225 Difference]: With dead ends: 584 [2021-02-24 03:50:54,695 INFO L226 Difference]: Without dead ends: 362 [2021-02-24 03:50:54,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:50:54,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-02-24 03:50:54,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 311. [2021-02-24 03:50:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2021-02-24 03:50:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 338 transitions. [2021-02-24 03:50:54,918 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 338 transitions. Word has length 165 [2021-02-24 03:50:54,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:50:54,919 INFO L480 AbstractCegarLoop]: Abstraction has 311 states and 338 transitions. [2021-02-24 03:50:54,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:50:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 338 transitions. [2021-02-24 03:50:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-24 03:50:54,924 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:50:54,924 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:50:54,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:50:54,925 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:50:54,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:50:54,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1909192765, now seen corresponding path program 1 times [2021-02-24 03:50:54,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:50:54,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108274043] [2021-02-24 03:50:54,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:50:54,930 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:50:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:50:55,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,371 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:50:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:50:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:50:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:50:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:50:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:50:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:50:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:50:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:50:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-24 03:50:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:50:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:55,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:55,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:50:55,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108274043] [2021-02-24 03:50:55,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:50:55,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 03:50:55,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711617235] [2021-02-24 03:50:55,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 03:50:55,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:50:55,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 03:50:55,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 03:50:55,545 INFO L87 Difference]: Start difference. First operand 311 states and 338 transitions. Second operand 5 states. [2021-02-24 03:50:56,340 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:50:57,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:50:57,837 INFO L93 Difference]: Finished difference Result 502 states and 563 transitions. [2021-02-24 03:50:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 03:50:57,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-24 03:50:57,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:50:57,843 INFO L225 Difference]: With dead ends: 502 [2021-02-24 03:50:57,843 INFO L226 Difference]: Without dead ends: 351 [2021-02-24 03:50:57,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-24 03:50:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-02-24 03:50:57,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 301. [2021-02-24 03:50:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2021-02-24 03:50:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 325 transitions. [2021-02-24 03:50:57,949 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 325 transitions. Word has length 166 [2021-02-24 03:50:57,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:50:57,949 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 325 transitions. [2021-02-24 03:50:57,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 03:50:57,950 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 325 transitions. [2021-02-24 03:50:57,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-24 03:50:57,952 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:50:57,953 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:50:57,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:50:57,953 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:50:57,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:50:57,954 INFO L82 PathProgramCache]: Analyzing trace with hash 2049776378, now seen corresponding path program 1 times [2021-02-24 03:50:57,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:50:57,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820413401] [2021-02-24 03:50:57,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:50:57,958 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:50:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:50:58,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:50:58,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:50:58,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,425 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:50:58,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:50:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:50:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:50:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:50:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:50:58,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:50:58,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:50:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:50:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:50:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:50:58,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:50:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:50:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-24 03:50:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-24 03:50:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:50:58,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:50:58,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:50:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:50:58,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820413401] [2021-02-24 03:50:58,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:50:58,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:50:58,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184283167] [2021-02-24 03:50:58,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:50:58,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:50:58,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:50:58,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:50:58,617 INFO L87 Difference]: Start difference. First operand 301 states and 325 transitions. Second operand 11 states. [2021-02-24 03:50:59,455 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:50:59,877 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:51:00,287 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:51:00,688 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:01,086 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:51:01,491 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:02,843 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:51:05,955 INFO L93 Difference]: Finished difference Result 834 states and 962 transitions. [2021-02-24 03:51:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:51:05,965 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-24 03:51:05,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:51:05,979 INFO L225 Difference]: With dead ends: 834 [2021-02-24 03:51:05,979 INFO L226 Difference]: Without dead ends: 653 [2021-02-24 03:51:05,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-24 03:51:05,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2021-02-24 03:51:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 550. [2021-02-24 03:51:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2021-02-24 03:51:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 614 transitions. [2021-02-24 03:51:06,321 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 614 transitions. Word has length 179 [2021-02-24 03:51:06,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:51:06,322 INFO L480 AbstractCegarLoop]: Abstraction has 550 states and 614 transitions. [2021-02-24 03:51:06,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:51:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 614 transitions. [2021-02-24 03:51:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-24 03:51:06,326 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:51:06,326 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:51:06,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:51:06,327 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:51:06,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:51:06,327 INFO L82 PathProgramCache]: Analyzing trace with hash -542095341, now seen corresponding path program 1 times [2021-02-24 03:51:06,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:51:06,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846882645] [2021-02-24 03:51:06,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:51:06,331 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:51:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,762 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:51:06,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:51:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:51:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:51:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:51:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:51:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-24 03:51:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:51:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-24 03:51:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-24 03:51:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:06,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:06,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:06,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-24 03:51:06,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846882645] [2021-02-24 03:51:06,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:51:06,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 03:51:06,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524110061] [2021-02-24 03:51:06,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 03:51:06,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:51:06,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 03:51:06,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-24 03:51:06,969 INFO L87 Difference]: Start difference. First operand 550 states and 614 transitions. Second operand 10 states. [2021-02-24 03:51:07,576 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:51:08,608 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:09,016 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:51:10,462 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:10,868 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:51:11,279 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:11,825 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:51:12,195 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:12,587 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:13,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:51:13,747 INFO L93 Difference]: Finished difference Result 1249 states and 1484 transitions. [2021-02-24 03:51:13,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-24 03:51:13,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-24 03:51:13,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:51:13,754 INFO L225 Difference]: With dead ends: 1249 [2021-02-24 03:51:13,755 INFO L226 Difference]: Without dead ends: 819 [2021-02-24 03:51:13,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-24 03:51:13,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2021-02-24 03:51:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 726. [2021-02-24 03:51:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2021-02-24 03:51:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 814 transitions. [2021-02-24 03:51:14,058 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 814 transitions. Word has length 184 [2021-02-24 03:51:14,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:51:14,059 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 814 transitions. [2021-02-24 03:51:14,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 03:51:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 814 transitions. [2021-02-24 03:51:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 03:51:14,064 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:51:14,064 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] [2021-02-24 03:51:14,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:51:14,064 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:51:14,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:51:14,065 INFO L82 PathProgramCache]: Analyzing trace with hash -896468804, now seen corresponding path program 1 times [2021-02-24 03:51:14,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:51:14,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349619991] [2021-02-24 03:51:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:51:14,069 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:51:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:14,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:14,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,481 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:51:14,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:51:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:51:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:51:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:14,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:14,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:51:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:51:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:51:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:51:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:51:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:14,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:14,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:51:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:14,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:14,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:51:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:51:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:51:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:51:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-24 03:51:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-24 03:51:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:14,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:14,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:51:14,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349619991] [2021-02-24 03:51:14,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:51:14,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-24 03:51:14,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45396638] [2021-02-24 03:51:14,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-24 03:51:14,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:51:14,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-24 03:51:14,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-24 03:51:14,804 INFO L87 Difference]: Start difference. First operand 726 states and 814 transitions. Second operand 14 states. [2021-02-24 03:51:15,556 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:15,957 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:51:16,352 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:16,739 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:51:17,125 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:18,486 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:18,912 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:51:19,338 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:19,777 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:51:20,171 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:51:22,165 INFO L93 Difference]: Finished difference Result 1546 states and 1863 transitions. [2021-02-24 03:51:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:51:22,169 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 239 [2021-02-24 03:51:22,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:51:22,176 INFO L225 Difference]: With dead ends: 1546 [2021-02-24 03:51:22,176 INFO L226 Difference]: Without dead ends: 940 [2021-02-24 03:51:22,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-24 03:51:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2021-02-24 03:51:22,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 741. [2021-02-24 03:51:22,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2021-02-24 03:51:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 830 transitions. [2021-02-24 03:51:22,482 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 830 transitions. Word has length 239 [2021-02-24 03:51:22,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:51:22,483 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 830 transitions. [2021-02-24 03:51:22,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-24 03:51:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 830 transitions. [2021-02-24 03:51:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 03:51:22,487 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:51:22,488 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] [2021-02-24 03:51:22,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:51:22,488 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:51:22,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:51:22,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1564215204, now seen corresponding path program 1 times [2021-02-24 03:51:22,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:51:22,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990282372] [2021-02-24 03:51:22,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:51:22,492 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:51:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,837 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:51:22,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:51:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:51:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:51:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:51:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:51:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:51:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:51:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:51:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:22,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:22,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:22,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:22,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:22,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:23,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:23,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:23,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:51:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:23,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:23,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:51:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:23,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:23,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:51:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:23,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:51:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:23,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:23,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:51:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:23,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-24 03:51:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:23,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-24 03:51:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:23,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:23,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:51:23,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990282372] [2021-02-24 03:51:23,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:51:23,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:51:23,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42869952] [2021-02-24 03:51:23,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:51:23,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:51:23,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:51:23,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:51:23,124 INFO L87 Difference]: Start difference. First operand 741 states and 830 transitions. Second operand 11 states. [2021-02-24 03:51:24,943 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:25,370 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:51:25,789 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:51:26,211 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:26,613 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:51:26,991 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:28,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:51:28,582 INFO L93 Difference]: Finished difference Result 1571 states and 1889 transitions. [2021-02-24 03:51:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-24 03:51:28,582 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2021-02-24 03:51:28,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:51:28,589 INFO L225 Difference]: With dead ends: 1571 [2021-02-24 03:51:28,589 INFO L226 Difference]: Without dead ends: 950 [2021-02-24 03:51:28,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-24 03:51:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2021-02-24 03:51:29,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 757. [2021-02-24 03:51:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2021-02-24 03:51:29,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 846 transitions. [2021-02-24 03:51:29,033 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 846 transitions. Word has length 239 [2021-02-24 03:51:29,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:51:29,037 INFO L480 AbstractCegarLoop]: Abstraction has 757 states and 846 transitions. [2021-02-24 03:51:29,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:51:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 846 transitions. [2021-02-24 03:51:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 03:51:29,046 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:51:29,046 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] [2021-02-24 03:51:29,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 03:51:29,047 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:51:29,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:51:29,047 INFO L82 PathProgramCache]: Analyzing trace with hash -169363527, now seen corresponding path program 1 times [2021-02-24 03:51:29,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:51:29,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1549193758] [2021-02-24 03:51:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:51:29,051 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:51:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:29,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:29,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:29,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:29,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:51:29,144 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-24 03:51:29,145 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-24 03:51:29,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,429 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:51:29,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:51:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:51:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:51:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:51:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:51:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:51:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:51:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:51:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:51:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:29,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:51:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:51:29,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:51:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:51:29,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:51:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:51:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:51:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:51:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-24 03:51:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-24 03:51:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:29,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:29,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:51:29,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1549193758] [2021-02-24 03:51:29,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:51:29,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 03:51:29,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959985642] [2021-02-24 03:51:29,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 03:51:29,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:51:29,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 03:51:29,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-24 03:51:29,688 INFO L87 Difference]: Start difference. First operand 757 states and 846 transitions. Second operand 8 states. [2021-02-24 03:51:30,368 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:51:31,196 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:51:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:51:35,170 INFO L93 Difference]: Finished difference Result 2350 states and 2859 transitions. [2021-02-24 03:51:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-24 03:51:35,172 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2021-02-24 03:51:35,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:51:35,183 INFO L225 Difference]: With dead ends: 2350 [2021-02-24 03:51:35,183 INFO L226 Difference]: Without dead ends: 1713 [2021-02-24 03:51:35,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2021-02-24 03:51:35,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2021-02-24 03:51:35,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1445. [2021-02-24 03:51:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2021-02-24 03:51:35,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1643 transitions. [2021-02-24 03:51:35,954 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1643 transitions. Word has length 239 [2021-02-24 03:51:35,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:51:35,955 INFO L480 AbstractCegarLoop]: Abstraction has 1445 states and 1643 transitions. [2021-02-24 03:51:35,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 03:51:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1643 transitions. [2021-02-24 03:51:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-24 03:51:35,961 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:51:35,962 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] [2021-02-24 03:51:35,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 03:51:35,962 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:51:35,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:51:35,963 INFO L82 PathProgramCache]: Analyzing trace with hash 873316975, now seen corresponding path program 1 times [2021-02-24 03:51:35,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:51:35,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288408665] [2021-02-24 03:51:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:51:35,967 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:51:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,169 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:51:36,170 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:51:36,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,523 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:51:36,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:51:36,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:51:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:51:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:51:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:51:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:51:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:51:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:36,642 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-24 03:51:36,644 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-24 03:51:36,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:51:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:51:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-24 03:51:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:51:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:51:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:51:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:51:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:51:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-24 03:51:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:36,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-24 03:51:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:36,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:36,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:51:36,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288408665] [2021-02-24 03:51:36,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:51:36,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-24 03:51:36,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109946462] [2021-02-24 03:51:36,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 03:51:36,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:51:36,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 03:51:36,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:51:36,848 INFO L87 Difference]: Start difference. First operand 1445 states and 1643 transitions. Second operand 15 states. [2021-02-24 03:51:37,871 WARN L202 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-24 03:51:38,853 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:51:40,356 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-24 03:51:41,091 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-24 03:51:41,588 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:41,989 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:51:42,690 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-24 03:51:43,102 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:43,537 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:51:43,967 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:48,327 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-24 03:51:49,220 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:51:49,578 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:51:50,030 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:51:51,706 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-24 03:51:52,405 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-24 03:51:53,138 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-24 03:51:54,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:51:54,240 INFO L93 Difference]: Finished difference Result 4420 states and 5401 transitions. [2021-02-24 03:51:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-24 03:51:54,241 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2021-02-24 03:51:54,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:51:54,261 INFO L225 Difference]: With dead ends: 4420 [2021-02-24 03:51:54,262 INFO L226 Difference]: Without dead ends: 3376 [2021-02-24 03:51:54,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2021-02-24 03:51:54,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2021-02-24 03:51:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 2666. [2021-02-24 03:51:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2666 states. [2021-02-24 03:51:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 3012 transitions. [2021-02-24 03:51:55,884 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 3012 transitions. Word has length 244 [2021-02-24 03:51:55,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:51:55,885 INFO L480 AbstractCegarLoop]: Abstraction has 2666 states and 3012 transitions. [2021-02-24 03:51:55,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 03:51:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3012 transitions. [2021-02-24 03:51:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-02-24 03:51:55,893 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:51:55,894 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:51:55,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 03:51:55,894 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:51:55,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:51:55,895 INFO L82 PathProgramCache]: Analyzing trace with hash -193616466, now seen corresponding path program 1 times [2021-02-24 03:51:55,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:51:55,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749260706] [2021-02-24 03:51:55,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:51:56,016 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:51:56,049 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:51:56,066 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:51:56,131 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:51:56,179 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-24 03:51:56,191 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-24 03:51:56,203 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size [2021-02-24 03:51:56,207 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size 40 [2021-02-24 03:51:56,211 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:51:56,212 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:51:56,219 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:51:56,219 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:51:56,222 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:51:56,227 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:51:56,232 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size [2021-02-24 03:51:56,235 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size 40 [2021-02-24 03:51:56,242 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:51:56,250 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:51:56,255 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:51:56,263 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:51:56,308 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-24 03:51:56,310 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-24 03:51:56,316 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size [2021-02-24 03:51:56,321 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size 40 [2021-02-24 03:51:56,326 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:51:56,335 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:51:56,348 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:51:56,356 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:51:56,398 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-24 03:51:56,400 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-24 03:51:56,403 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size [2021-02-24 03:51:56,411 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size 40 [2021-02-24 03:51:56,417 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:51:56,418 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:51:56,423 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:51:56,427 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:51:56,429 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:51:56,430 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:51:56,434 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size [2021-02-24 03:51:56,437 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size 40 [2021-02-24 03:51:56,441 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:51:56,442 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:51:56,446 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:51:56,446 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:51:56,448 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:51:56,451 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:51:56,455 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size [2021-02-24 03:51:56,458 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size 40 [2021-02-24 03:51:56,462 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:51:56,470 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:51:56,476 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:51:56,483 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:51:56,529 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-02-24 03:51:56,531 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-02-24 03:51:56,538 WARN L141 QuantifierPusher]: treesize reduction 15, result has 83.3 percent of original size [2021-02-24 03:51:56,545 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:51:56,550 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:56,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:51:56,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:56,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-24 03:51:56,560 WARN L147 QuantifierPusher]: treesize reduction 15, result has 83.3 percent of original size 75 [2021-02-24 03:51:56,563 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:51:56,564 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:51:56,568 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:51:56,568 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:51:56,571 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:51:56,572 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:51:56,575 WARN L141 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size [2021-02-24 03:51:56,579 WARN L147 QuantifierPusher]: treesize reduction 15, result has 72.7 percent of original size 40 [2021-02-24 03:51:56,580 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:51:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:56,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:56,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:56,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:56,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:56,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:56,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:51:56,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:56,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,006 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:51:57,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:51:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:51:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:51:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:51:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:51:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-24 03:51:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:51:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:57,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:57,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:51:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:57,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:57,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-24 03:51:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-24 03:51:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:51:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-24 03:51:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:51:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-02-24 03:51:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-24 03:51:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:51:57,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:51:57,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:51:57,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:51:57,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:51:57,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:51:57,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:51:57,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:51:57,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:51:57,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:57,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:51:57,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:51:57,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:51:57,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:51:57,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:51:57,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:57,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:51:57,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:57,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:51:57,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:51:57,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:57,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:51:57,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:57,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:51:57,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:51:57,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:51:57,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:57,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:51:57,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:51:57,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:51:57,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:51:57,631 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-24 03:51:57,632 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-24 03:51:57,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:51:57,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:51:57,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:57,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:57,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:51:57,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:57,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:51:57,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:57,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:57,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:57,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:51:57,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:57,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:51:57,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:57,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:51:58,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:58,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:51:58,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:58,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:58,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:58,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:51:58,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:51:58,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:51:58,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:51:58,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:51:58,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:58,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:51:58,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:58,312 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-24 03:51:58,313 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-24 03:51:58,356 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-24 03:51:58,357 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-24 03:51:58,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:51:58,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:51:58,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:51:58,469 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-24 03:51:58,469 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-24 03:51:58,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:58,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:58,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:58,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:51:58,699 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:51:58,700 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:51:58,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:58,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:51:58,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:58,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:58,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:51:58,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:58,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:51:59,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:51:59,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 03:51:59,106 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:51:59,106 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:51:59,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:59,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:51:59,246 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-24 03:51:59,247 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-24 03:51:59,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:51:59,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:59,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:59,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:51:59,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:59,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:59,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:51:59,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:59,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:51:59,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:51:59,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:51:59,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:51:59,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:51:59,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 03:51:59,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:51:59,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:51:59,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:51:59,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:51:59,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:51:59,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:52:00,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 03:52:00,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:52:00,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:52:00,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:52:00,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:52:00,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:52:00,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:52:00,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:52:00,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:52:00,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:52:00,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:52:00,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:52:00,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:00,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:52:00,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:52:00,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:52:00,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:52:00,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:52:00,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:00,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:52:01,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:01,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:52:01,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:01,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:52:01,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:01,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:52:01,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:01,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:52:01,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:01,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:52:01,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:01,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:52:01,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:52:01,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:52:01,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749260706] [2021-02-24 03:52:01,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:52:01,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-24 03:52:01,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721960680] [2021-02-24 03:52:01,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-24 03:52:01,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:52:01,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-24 03:52:01,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=4819, Unknown=0, NotChecked=0, Total=5256 [2021-02-24 03:52:01,187 INFO L87 Difference]: Start difference. First operand 2666 states and 3012 transitions. Second operand 67 states. [2021-02-24 03:52:01,874 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:52:02,640 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:52:03,029 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:52:03,486 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:52:03,883 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:52:04,282 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:52:04,693 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:52:05,139 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:52:05,548 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:52:05,969 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:52:06,471 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:52:06,922 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:52:07,415 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:52:07,943 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:52:08,456 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:52:08,994 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:09,822 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:52:10,559 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:52:10,994 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:52:11,483 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:52:11,863 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:52:12,327 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:52:12,712 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:52:13,132 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:52:13,979 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:52:14,352 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:52:15,298 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:52:15,770 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:52:16,290 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:16,689 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:52:17,124 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:52:17,661 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:52:18,263 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:18,796 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:52:19,437 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:20,087 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:52:20,579 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:52:21,079 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:52:21,616 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:52:22,272 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:52:23,068 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:23,670 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:52:24,674 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:52:25,730 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:52:26,450 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:27,042 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:52:27,634 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:52:28,325 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:28,813 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:52:29,333 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:52:29,879 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:52:30,320 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:52:30,850 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:52:31,306 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:31,802 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:52:32,522 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:52:33,058 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:52:33,616 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:52:34,054 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:52:34,552 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:52:34,995 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:52:35,804 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:52:36,329 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:52:36,941 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:52:38,787 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:52:40,119 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:52:42,102 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:52:43,273 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:52:44,429 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:52:45,063 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:52:45,903 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:52:46,516 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:52:47,073 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:52:49,255 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-24 03:52:50,013 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:52:51,658 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-24 03:52:54,035 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-24 03:52:55,908 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:52:57,577 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:52:58,239 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:52:59,388 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-24 03:52:59,915 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:53:00,516 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:53:01,568 WARN L202 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2021-02-24 03:53:02,522 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:53:02,970 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:53:04,724 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:53:05,115 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:53:06,242 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:53:06,649 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:53:07,069 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:53:07,816 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:53:08,950 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:53:09,570 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:53:10,242 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:53:11,139 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:53:12,505 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:53:13,391 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:53:14,505 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:53:15,392 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:53:17,185 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-24 03:53:18,002 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:53:19,380 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-24 03:53:20,350 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:53:21,641 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:53:22,496 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:53:25,132 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-24 03:53:25,951 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:53:28,060 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:53:29,392 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:53:30,159 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:53:30,682 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:53:31,093 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:53:31,523 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:53:32,063 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:53:32,508 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:53:33,264 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:53:47,838 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-02-24 03:54:00,296 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-02-24 03:54:03,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:54:03,239 INFO L93 Difference]: Finished difference Result 10298 states and 13161 transitions. [2021-02-24 03:54:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2021-02-24 03:54:03,240 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 335 [2021-02-24 03:54:03,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:54:03,298 INFO L225 Difference]: With dead ends: 10298 [2021-02-24 03:54:03,298 INFO L226 Difference]: Without dead ends: 8018 [2021-02-24 03:54:03,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 985 GetRequests, 223 SyntacticMatches, 6 SemanticMatches, 756 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267881 ImplicationChecksByTransitivity, 87.1s TimeCoverageRelationStatistics Valid=23252, Invalid=550554, Unknown=0, NotChecked=0, Total=573806 [2021-02-24 03:54:03,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8018 states. [2021-02-24 03:54:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8018 to 5054. [2021-02-24 03:54:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5054 states. [2021-02-24 03:54:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 5054 states and 5671 transitions. [2021-02-24 03:54:06,803 INFO L78 Accepts]: Start accepts. Automaton has 5054 states and 5671 transitions. Word has length 335 [2021-02-24 03:54:06,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:54:06,804 INFO L480 AbstractCegarLoop]: Abstraction has 5054 states and 5671 transitions. [2021-02-24 03:54:06,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-24 03:54:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5054 states and 5671 transitions. [2021-02-24 03:54:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-02-24 03:54:06,832 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:54:06,834 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:54:06,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-24 03:54:06,834 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:54:06,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:54:06,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1630064329, now seen corresponding path program 1 times [2021-02-24 03:54:06,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:54:06,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407023907] [2021-02-24 03:54:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:54:06,943 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size [2021-02-24 03:54:06,947 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size 84 [2021-02-24 03:54:06,950 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size [2021-02-24 03:54:06,954 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size 84 [2021-02-24 03:54:07,010 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-02-24 03:54:07,011 INFO L723 QuantifierPusher]: Distributing 10 disjuncts over 3 conjuncts [2021-02-24 03:54:07,014 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:54:07,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:54:07,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:54:07,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-02-24 03:54:07,024 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size 41 [2021-02-24 03:54:07,032 WARN L141 QuantifierPusher]: treesize reduction 20, result has 86.7 percent of original size [2021-02-24 03:54:07,038 WARN L147 QuantifierPusher]: treesize reduction 20, result has 86.7 percent of original size 130 [2021-02-24 03:54:07,041 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size [2021-02-24 03:54:07,045 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size 84 [2021-02-24 03:54:07,048 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size [2021-02-24 03:54:07,053 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size 84 [2021-02-24 03:54:07,108 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-02-24 03:54:07,109 INFO L723 QuantifierPusher]: Distributing 10 disjuncts over 3 conjuncts [2021-02-24 03:54:07,113 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:54:07,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:54:07,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:54:07,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-02-24 03:54:07,122 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size 41 [2021-02-24 03:54:07,129 WARN L141 QuantifierPusher]: treesize reduction 20, result has 86.7 percent of original size [2021-02-24 03:54:07,134 WARN L147 QuantifierPusher]: treesize reduction 20, result has 86.7 percent of original size 130 [2021-02-24 03:54:07,138 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size [2021-02-24 03:54:07,142 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size 84 [2021-02-24 03:54:07,145 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size [2021-02-24 03:54:07,150 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size 84 [2021-02-24 03:54:07,206 WARN L141 QuantifierPusher]: treesize reduction 37, result has 17.8 percent of original size [2021-02-24 03:54:07,207 WARN L147 QuantifierPusher]: treesize reduction 37, result has 17.8 percent of original size 8 [2021-02-24 03:54:07,210 WARN L141 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-02-24 03:54:07,211 WARN L147 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size 51 [2021-02-24 03:54:07,215 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size [2021-02-24 03:54:07,218 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size 84 [2021-02-24 03:54:07,221 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size [2021-02-24 03:54:07,226 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.2 percent of original size 84 [2021-02-24 03:54:07,281 WARN L141 QuantifierPusher]: treesize reduction 37, result has 17.8 percent of original size [2021-02-24 03:54:07,282 WARN L147 QuantifierPusher]: treesize reduction 37, result has 17.8 percent of original size 8 [2021-02-24 03:54:07,284 WARN L141 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-02-24 03:54:07,286 WARN L147 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size 51 [2021-02-24 03:54:07,287 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 03:54:07,291 INFO L168 Benchmark]: Toolchain (without parser) took 198716.76 ms. Allocated memory was 175.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 149.9 MB in the beginning and 711.5 MB in the end (delta: -561.5 MB). Peak memory consumption was 960.1 MB. Max. memory is 8.0 GB. [2021-02-24 03:54:07,291 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 175.1 MB. Free memory is still 146.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:54:07,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.03 ms. Allocated memory is still 175.1 MB. Free memory was 148.7 MB in the beginning and 125.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-24 03:54:07,291 INFO L168 Benchmark]: Boogie Preprocessor took 181.77 ms. Allocated memory is still 175.1 MB. Free memory was 125.8 MB in the beginning and 155.1 MB in the end (delta: -29.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:54:07,292 INFO L168 Benchmark]: RCFGBuilder took 1846.12 ms. Allocated memory was 175.1 MB in the beginning and 222.3 MB in the end (delta: 47.2 MB). Free memory was 155.1 MB in the beginning and 142.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 61.6 MB. Max. memory is 8.0 GB. [2021-02-24 03:54:07,292 INFO L168 Benchmark]: TraceAbstraction took 196004.31 ms. Allocated memory was 222.3 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 142.2 MB in the beginning and 711.5 MB in the end (delta: -569.3 MB). Peak memory consumption was 904.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:54:07,293 INFO L339 ainManager$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 175.1 MB. Free memory is still 146.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 667.03 ms. Allocated memory is still 175.1 MB. Free memory was 148.7 MB in the beginning and 125.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 181.77 ms. Allocated memory is still 175.1 MB. Free memory was 125.8 MB in the beginning and 155.1 MB in the end (delta: -29.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1846.12 ms. Allocated memory was 175.1 MB in the beginning and 222.3 MB in the end (delta: 47.2 MB). Free memory was 155.1 MB in the beginning and 142.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 61.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 196004.31 ms. Allocated memory was 222.3 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 142.2 MB in the beginning and 711.5 MB in the end (delta: -569.3 MB). Peak memory consumption was 904.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...