/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_spec4_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:14:05,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:14:05,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:14:05,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:14:05,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:14:05,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:14:05,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:14:05,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:14:05,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:14:05,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:14:05,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:14:05,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:14:05,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:14:05,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:14:05,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:14:05,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:14:05,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:14:05,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:14:05,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:14:05,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:14:05,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:14:05,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:14:05,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:14:05,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:14:05,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:14:05,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:14:05,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:14:05,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:14:05,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:14:05,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:14:05,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:14:05,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:14:05,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:14:05,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:14:05,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:14:05,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:14:05,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:14:05,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:14:05,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:14:05,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:14:05,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:14:05,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:14:05,287 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:14:05,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:14:05,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:14:05,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:14:05,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:14:05,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:14:05,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:14:05,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:14:05,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:14:05,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:14:05,290 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:14:05,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:14:05,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:14:05,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:14:05,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:14:05,291 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:14:05,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:14:05,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:14:05,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:14:05,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:14:05,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:14:05,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:14:05,293 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:14:05,293 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:14:05,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:14:05,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:14:05,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:14:05,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:14:05,692 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:14:05,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2021-02-22 01:14:05,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd4c00b6/642014d53bb044aab2f5405313f948db/FLAGcdc419280 [2021-02-22 01:14:06,450 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:14:06,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2021-02-22 01:14:06,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd4c00b6/642014d53bb044aab2f5405313f948db/FLAGcdc419280 [2021-02-22 01:14:06,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd4c00b6/642014d53bb044aab2f5405313f948db [2021-02-22 01:14:06,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:14:06,747 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:14:06,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:14:06,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:14:06,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:14:06,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:14:06" (1/1) ... [2021-02-22 01:14:06,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282cd639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:06, skipping insertion in model container [2021-02-22 01:14:06,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:14:06" (1/1) ... [2021-02-22 01:14:06,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:14:06,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:14:07,149 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_spec4_product45.cil.c[4942,4955] [2021-02-22 01:14:07,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:14:07,248 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:14:07,325 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_spec4_product45.cil.c[4942,4955] [2021-02-22 01:14:07,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:14:07,450 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:14:07,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07 WrapperNode [2021-02-22 01:14:07,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:14:07,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:14:07,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:14:07,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:14:07,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (1/1) ... [2021-02-22 01:14:07,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (1/1) ... [2021-02-22 01:14:07,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (1/1) ... [2021-02-22 01:14:07,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (1/1) ... [2021-02-22 01:14:07,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (1/1) ... [2021-02-22 01:14:07,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (1/1) ... [2021-02-22 01:14:07,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (1/1) ... [2021-02-22 01:14:07,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:14:07,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:14:07,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:14:07,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:14:07,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:14:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:14:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:14:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 01:14:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:14:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 01:14:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 01:14:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 01:14:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-22 01:14:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 01:14:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2021-02-22 01:14:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 01:14:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 01:14:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 01:14:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 01:14:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 01:14:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-22 01:14:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 01:14:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 01:14:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 01:14:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 01:14:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 01:14:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 01:14:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 01:14:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2021-02-22 01:14:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 01:14:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 01:14:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 01:14:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 01:14:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:14:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 01:14:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 01:14:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 01:14:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 01:14:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 01:14:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 01:14:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-22 01:14:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 01:14:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 01:14:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 01:14:07,706 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 01:14:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:14:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:14:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:14:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:14:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:14:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 01:14:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 01:14:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 01:14:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 01:14:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 01:14:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 01:14:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 01:14:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 01:14:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 01:14:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-22 01:14:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 01:14:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 01:14:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 01:14:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 01:14:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2021-02-22 01:14:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 01:14:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 01:14:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-22 01:14:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-22 01:14:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 01:14:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2021-02-22 01:14:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 01:14:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:14:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:14:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 01:14:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:14:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:14:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:14:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:14:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 01:14:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:14:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 01:14:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 01:14:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:14:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 01:14:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 01:14:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 01:14:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 01:14:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 01:14:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 01:14:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 01:14:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 01:14:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 01:14:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 01:14:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:14:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 01:14:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:14:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:14:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:14:09,186 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:14:09,186 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 01:14:09,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:14:09 BoogieIcfgContainer [2021-02-22 01:14:09,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:14:09,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:14:09,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:14:09,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:14:09,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:14:06" (1/3) ... [2021-02-22 01:14:09,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b91b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:14:09, skipping insertion in model container [2021-02-22 01:14:09,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:14:07" (2/3) ... [2021-02-22 01:14:09,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b91b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:14:09, skipping insertion in model container [2021-02-22 01:14:09,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:14:09" (3/3) ... [2021-02-22 01:14:09,205 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2021-02-22 01:14:09,213 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:14:09,218 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:14:09,239 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:14:09,269 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:14:09,269 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:14:09,270 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:14:09,270 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:14:09,270 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:14:09,270 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:14:09,270 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:14:09,270 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:14:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states. [2021-02-22 01:14:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-22 01:14:09,315 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:14:09,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:14:09,316 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:14:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:14:09,323 INFO L82 PathProgramCache]: Analyzing trace with hash -899485707, now seen corresponding path program 1 times [2021-02-22 01:14:09,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:14:09,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874826267] [2021-02-22 01:14:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:14:09,407 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:14:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:09,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:09,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:09,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:09,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:10,198 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:14:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:14:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:10,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:10,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:10,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:14:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:10,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:10,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:10,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:14:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:10,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:10,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:14:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:10,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:10,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:14:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:10,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:10,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:10,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-22 01:14:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:10,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:10,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:10,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 01:14:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:10,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:10,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:14:10,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874826267] [2021-02-22 01:14:10,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:14:10,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 01:14:10,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016138813] [2021-02-22 01:14:10,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 01:14:10,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:14:10,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 01:14:10,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 01:14:10,447 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 3 states. [2021-02-22 01:14:11,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:14:11,929 INFO L93 Difference]: Finished difference Result 503 states and 596 transitions. [2021-02-22 01:14:11,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 01:14:11,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-02-22 01:14:11,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:14:11,947 INFO L225 Difference]: With dead ends: 503 [2021-02-22 01:14:11,947 INFO L226 Difference]: Without dead ends: 312 [2021-02-22 01:14:11,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 01:14:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-02-22 01:14:12,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 269. [2021-02-22 01:14:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2021-02-22 01:14:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 292 transitions. [2021-02-22 01:14:12,133 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 292 transitions. Word has length 147 [2021-02-22 01:14:12,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:14:12,135 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 292 transitions. [2021-02-22 01:14:12,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 01:14:12,135 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 292 transitions. [2021-02-22 01:14:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-22 01:14:12,140 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:14:12,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:14:12,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:14:12,141 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:14:12,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:14:12,142 INFO L82 PathProgramCache]: Analyzing trace with hash -604367563, now seen corresponding path program 1 times [2021-02-22 01:14:12,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:14:12,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846710972] [2021-02-22 01:14:12,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:14:12,147 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:14:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:12,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:12,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,561 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:14:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:14:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:12,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:14:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:12,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:14:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:12,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:14:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:12,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:14:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:12,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:14:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:12,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-22 01:14:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:12,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:12,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:14:12,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846710972] [2021-02-22 01:14:12,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:14:12,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:14:12,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315121307] [2021-02-22 01:14:12,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:14:12,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:14:12,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:14:12,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:14:12,682 INFO L87 Difference]: Start difference. First operand 269 states and 292 transitions. Second operand 4 states. [2021-02-22 01:14:13,271 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:14:14,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:14:14,242 INFO L93 Difference]: Finished difference Result 419 states and 470 transitions. [2021-02-22 01:14:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 01:14:14,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-02-22 01:14:14,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:14:14,247 INFO L225 Difference]: With dead ends: 419 [2021-02-22 01:14:14,247 INFO L226 Difference]: Without dead ends: 295 [2021-02-22 01:14:14,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-22 01:14:14,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-02-22 01:14:14,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 259. [2021-02-22 01:14:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2021-02-22 01:14:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 279 transitions. [2021-02-22 01:14:14,353 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 279 transitions. Word has length 148 [2021-02-22 01:14:14,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:14:14,354 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 279 transitions. [2021-02-22 01:14:14,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:14:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 279 transitions. [2021-02-22 01:14:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-02-22 01:14:14,357 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:14:14,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:14:14,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:14:14,358 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:14:14,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:14:14,359 INFO L82 PathProgramCache]: Analyzing trace with hash 234964863, now seen corresponding path program 1 times [2021-02-22 01:14:14,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:14:14,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059148049] [2021-02-22 01:14:14,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:14:14,363 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:14:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:14,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:14,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:14,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:14,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:14:14,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:14,718 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:14:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:14:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:14,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:14,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:14:14,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:14:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:14,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:14,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:14:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:14,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:14,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:14:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:14,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:14,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:14,831 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-22 01:14:14,832 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-22 01:14:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:14:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:14,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 01:14:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:14,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:14,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-02-22 01:14:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:14,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:14,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:14:14,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059148049] [2021-02-22 01:14:14,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:14:14,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 01:14:14,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183300108] [2021-02-22 01:14:14,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 01:14:14,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:14:14,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 01:14:14,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-22 01:14:14,897 INFO L87 Difference]: Start difference. First operand 259 states and 279 transitions. Second operand 9 states. [2021-02-22 01:14:15,401 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:14:15,751 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:14:16,024 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:14:16,306 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:14:16,635 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:14:16,906 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:14:18,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:14:18,333 INFO L93 Difference]: Finished difference Result 439 states and 495 transitions. [2021-02-22 01:14:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-22 01:14:18,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2021-02-22 01:14:18,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:14:18,338 INFO L225 Difference]: With dead ends: 439 [2021-02-22 01:14:18,338 INFO L226 Difference]: Without dead ends: 295 [2021-02-22 01:14:18,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-02-22 01:14:18,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-02-22 01:14:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 259. [2021-02-22 01:14:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2021-02-22 01:14:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 278 transitions. [2021-02-22 01:14:18,443 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 278 transitions. Word has length 157 [2021-02-22 01:14:18,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:14:18,443 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 278 transitions. [2021-02-22 01:14:18,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 01:14:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 278 transitions. [2021-02-22 01:14:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-22 01:14:18,447 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:14:18,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:14:18,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:14:18,447 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:14:18,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:14:18,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1249943588, now seen corresponding path program 1 times [2021-02-22 01:14:18,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:14:18,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881875846] [2021-02-22 01:14:18,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:14:18,452 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:14:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:18,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:18,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:18,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:18,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:18,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,724 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:14:18,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:14:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:18,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:14:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:14:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:14:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:14:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-22 01:14:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:18,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:14:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:18,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:14:18,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:14:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-22 01:14:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-22 01:14:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:18,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:18,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:14:18,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881875846] [2021-02-22 01:14:18,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:14:18,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 01:14:18,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912088564] [2021-02-22 01:14:18,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 01:14:18,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:14:18,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 01:14:18,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-22 01:14:18,941 INFO L87 Difference]: Start difference. First operand 259 states and 278 transitions. Second operand 6 states. [2021-02-22 01:14:19,456 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:14:21,062 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:14:21,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:14:21,732 INFO L93 Difference]: Finished difference Result 583 states and 662 transitions. [2021-02-22 01:14:21,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-22 01:14:21,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2021-02-22 01:14:21,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:14:21,739 INFO L225 Difference]: With dead ends: 583 [2021-02-22 01:14:21,739 INFO L226 Difference]: Without dead ends: 439 [2021-02-22 01:14:21,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:14:21,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-02-22 01:14:21,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 380. [2021-02-22 01:14:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2021-02-22 01:14:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 407 transitions. [2021-02-22 01:14:21,943 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 407 transitions. Word has length 170 [2021-02-22 01:14:21,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:14:21,946 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 407 transitions. [2021-02-22 01:14:21,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 01:14:21,946 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 407 transitions. [2021-02-22 01:14:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-02-22 01:14:21,949 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:14:21,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:14:21,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 01:14:21,949 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:14:21,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:14:21,950 INFO L82 PathProgramCache]: Analyzing trace with hash -478895907, now seen corresponding path program 1 times [2021-02-22 01:14:21,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:14:21,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774571362] [2021-02-22 01:14:21,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:14:21,955 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:14:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:22,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:22,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:22,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:22,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:14:22,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:14:22,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:14:22,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:14:22,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:14:22,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:14:22,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,317 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:14:22,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:14:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:14:22,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:14:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:14:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:14:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:22,433 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-22 01:14:22,435 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-22 01:14:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:14:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-22 01:14:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:14:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:14:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:14:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:14:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-02-22 01:14:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:22,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-02-22 01:14:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:22,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:22,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:14:22,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774571362] [2021-02-22 01:14:22,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:14:22,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-22 01:14:22,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069099719] [2021-02-22 01:14:22,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-22 01:14:22,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:14:22,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-22 01:14:22,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-02-22 01:14:22,606 INFO L87 Difference]: Start difference. First operand 380 states and 407 transitions. Second operand 14 states. [2021-02-22 01:14:23,142 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:14:23,498 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:14:23,795 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:14:24,088 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:14:24,401 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:14:24,654 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:14:25,271 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:14:26,423 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:14:26,725 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:14:27,077 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:14:27,386 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:14:27,661 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:14:27,939 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:14:28,281 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:14:28,641 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:14:29,005 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:14:29,295 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:14:30,728 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:14:31,037 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:14:31,495 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:14:32,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:14:32,235 INFO L93 Difference]: Finished difference Result 1141 states and 1344 transitions. [2021-02-22 01:14:32,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-22 01:14:32,236 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 194 [2021-02-22 01:14:32,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:14:32,243 INFO L225 Difference]: With dead ends: 1141 [2021-02-22 01:14:32,243 INFO L226 Difference]: Without dead ends: 876 [2021-02-22 01:14:32,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2021-02-22 01:14:32,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2021-02-22 01:14:32,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 779. [2021-02-22 01:14:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2021-02-22 01:14:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 861 transitions. [2021-02-22 01:14:32,564 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 861 transitions. Word has length 194 [2021-02-22 01:14:32,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:14:32,564 INFO L480 AbstractCegarLoop]: Abstraction has 779 states and 861 transitions. [2021-02-22 01:14:32,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-22 01:14:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 861 transitions. [2021-02-22 01:14:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-02-22 01:14:32,570 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:14:32,571 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-22 01:14:32,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 01:14:32,572 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:14:32,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:14:32,572 INFO L82 PathProgramCache]: Analyzing trace with hash -470450563, now seen corresponding path program 1 times [2021-02-22 01:14:32,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:14:32,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266916362] [2021-02-22 01:14:32,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:14:32,653 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:32,685 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:32,697 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:32,703 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:32,744 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:32,757 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:32,762 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:32,766 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:32,769 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:32,774 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:32,777 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:32,781 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:32,820 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:32,821 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:32,824 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:32,826 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:32,829 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:32,833 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:32,836 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:32,840 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:32,876 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:32,878 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:32,880 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:32,882 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:32,884 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:32,902 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:32,905 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:32,909 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:32,946 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:32,947 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:32,949 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:32,951 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:32,953 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:32,956 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:32,959 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:32,962 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:32,999 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,001 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,003 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,005 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,007 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,010 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,013 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,016 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,051 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,053 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,054 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,056 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,057 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,060 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,063 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,066 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,103 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,104 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,106 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,108 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,110 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,112 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,114 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,117 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,153 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,154 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,156 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,158 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,159 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,162 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,164 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,167 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,202 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,203 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,205 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,207 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,209 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,211 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,214 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,217 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,254 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,255 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,257 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,258 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,260 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,262 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,265 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,267 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,303 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,304 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,306 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,307 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,309 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,311 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,313 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,316 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,349 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,351 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,353 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,354 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,356 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,358 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,360 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,362 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,398 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,400 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,401 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,403 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,404 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,407 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,409 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,411 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,448 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,449 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,451 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,452 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,454 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,456 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,458 WARN L141 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size [2021-02-22 01:14:33,461 WARN L147 QuantifierPusher]: treesize reduction 6, result has 92.3 percent of original size 72 [2021-02-22 01:14:33,497 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,499 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,501 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,502 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,504 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,507 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,509 WARN L141 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size [2021-02-22 01:14:33,512 WARN L147 QuantifierPusher]: treesize reduction 8, result has 89.7 percent of original size 70 [2021-02-22 01:14:33,549 WARN L141 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size [2021-02-22 01:14:33,550 WARN L147 QuantifierPusher]: treesize reduction 41, result has 16.3 percent of original size 8 [2021-02-22 01:14:33,552 WARN L141 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-02-22 01:14:33,553 WARN L147 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size 39 [2021-02-22 01:14:33,554 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 01:14:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:33,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:33,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:33,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:33,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,870 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-22 01:14:33,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:14:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-22 01:14:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 01:14:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-22 01:14:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 01:14:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-22 01:14:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 01:14:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:33,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:14:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:33,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:14:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:14:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:14:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-02-22 01:14:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-02-22 01:14:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:14:33,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:33,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:33,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:33,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:14:34,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:14:34,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:14:34,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:34,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:34,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:14:34,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:14:34,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:14:34,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:14:34,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:14:34,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:34,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:14:34,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:14:34,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:14:34,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:14:34,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:14:34,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:14:34,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:14:34,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:14:34,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:14:34,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:14:34,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:14:34,404 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-22 01:14:34,405 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-22 01:14:34,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:14:34,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:14:34,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:14:34,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:14:34,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:14:34,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 01:14:34,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:14:34,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:14:34,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:14:34,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 01:14:34,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:14:34,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 01:14:34,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:14:34,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 01:14:34,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:34,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:14:34,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 01:14:34,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:14:34,910 WARN L141 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-02-22 01:14:34,911 WARN L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-02-22 01:14:34,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:34,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:14:35,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 01:14:35,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 01:14:35,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:14:35,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:14:35,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-02-22 01:14:35,136 WARN L141 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-02-22 01:14:35,137 WARN L147 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size 14 [2021-02-22 01:14:35,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:14:35,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:14:35,273 WARN L141 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-02-22 01:14:35,276 WARN L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-02-22 01:14:35,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:14:35,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:14:35,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:14:35,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:14:35,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 01:14:35,578 WARN L141 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-02-22 01:14:35,579 WARN L147 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size 14 [2021-02-22 01:14:35,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:14:35,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:14:35,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:14:35,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:14:35,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:14:35,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:14:35,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:14:35,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:14:35,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:14:35,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:14:35,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:14:35,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:14:35,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:14:35,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:14:35,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:14:35,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:14:35,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:35,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:14:36,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:36,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:14:36,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:36,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:14:36,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:36,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-22 01:14:36,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:36,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:14:36,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:36,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 01:14:36,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:14:36,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:14:36,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266916362] [2021-02-22 01:14:36,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:14:36,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2021-02-22 01:14:36,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153714901] [2021-02-22 01:14:36,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-02-22 01:14:36,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:14:36,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-02-22 01:14:36,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=2367, Unknown=0, NotChecked=0, Total=2652 [2021-02-22 01:14:36,155 INFO L87 Difference]: Start difference. First operand 779 states and 861 transitions. Second operand 49 states. [2021-02-22 01:14:36,806 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:14:37,427 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:14:37,757 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:14:38,068 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:14:38,355 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:14:38,669 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:14:39,013 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:14:39,341 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:14:39,670 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:14:40,036 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:14:40,371 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:14:40,754 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:14:41,158 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:14:41,561 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:14:41,978 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:14:42,415 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:14:42,875 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:14:43,620 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:14:43,982 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:14:44,359 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:14:44,774 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:14:45,183 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:14:45,560 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:14:46,016 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:14:46,429 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:14:46,914 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-22 01:14:47,407 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:14:47,855 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:14:48,234 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:14:48,634 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:14:49,278 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:14:49,805 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:14:50,174 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:14:50,574 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:14:50,932 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:14:51,296 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:14:51,645 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:14:52,048 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:14:52,484 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:14:52,977 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-22 01:14:53,617 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2021-02-22 01:14:54,130 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-02-22 01:14:54,797 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-02-22 01:14:55,242 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:14:55,685 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:14:56,586 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2021-02-22 01:14:57,125 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:14:57,896 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:14:58,764 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 225 [2021-02-22 01:14:59,250 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:15:00,041 WARN L202 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:15:00,449 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:15:00,756 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-22 01:15:01,089 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:15:01,785 WARN L202 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:15:02,802 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-22 01:15:03,775 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:15:06,615 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:15:07,043 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-22 01:15:07,537 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:15:08,008 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:15:08,354 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:15:08,861 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-22 01:15:09,308 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:15:10,120 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-22 01:15:10,608 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-02-22 01:15:11,123 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-02-22 01:15:11,486 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:15:11,977 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-22 01:15:12,470 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-22 01:15:12,894 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-22 01:15:13,394 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:15:14,204 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:15:14,578 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:15:15,240 WARN L202 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 215 [2021-02-22 01:15:15,928 WARN L202 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-02-22 01:15:16,813 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:17,190 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:15:17,589 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:15:17,896 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:18,244 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:18,605 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:15:18,966 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:15:19,276 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:19,801 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:15:20,131 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:20,844 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-22 01:15:21,173 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:15:21,544 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:15:22,442 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:15:33,036 WARN L202 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-22 01:15:34,115 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-22 01:15:35,154 WARN L202 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-22 01:15:36,256 WARN L202 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-22 01:15:40,206 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-22 01:15:41,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:15:41,903 INFO L93 Difference]: Finished difference Result 3163 states and 4006 transitions. [2021-02-22 01:15:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 373 states. [2021-02-22 01:15:41,904 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 275 [2021-02-22 01:15:41,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:15:41,927 INFO L225 Difference]: With dead ends: 3163 [2021-02-22 01:15:41,928 INFO L226 Difference]: Without dead ends: 2499 [2021-02-22 01:15:41,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 145 SyntacticMatches, 10 SemanticMatches, 418 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78964 ImplicationChecksByTransitivity, 54.9s TimeCoverageRelationStatistics Valid=13803, Invalid=162177, Unknown=0, NotChecked=0, Total=175980 [2021-02-22 01:15:41,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2499 states. [2021-02-22 01:15:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2499 to 1577. [2021-02-22 01:15:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1577 states. [2021-02-22 01:15:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 1788 transitions. [2021-02-22 01:15:42,771 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 1788 transitions. Word has length 275 [2021-02-22 01:15:42,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:15:42,772 INFO L480 AbstractCegarLoop]: Abstraction has 1577 states and 1788 transitions. [2021-02-22 01:15:42,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 49 states. [2021-02-22 01:15:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 1788 transitions. [2021-02-22 01:15:42,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-02-22 01:15:42,785 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:15:42,785 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-22 01:15:42,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 01:15:42,786 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:15:42,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:15:42,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1030943736, now seen corresponding path program 1 times [2021-02-22 01:15:42,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:15:42,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088546221] [2021-02-22 01:15:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:15:42,815 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 01:15:42,820 INFO L168 Benchmark]: Toolchain (without parser) took 96086.21 ms. Allocated memory was 152.0 MB in the beginning and 973.1 MB in the end (delta: 821.0 MB). Free memory was 127.1 MB in the beginning and 614.9 MB in the end (delta: -487.8 MB). Peak memory consumption was 333.9 MB. Max. memory is 8.0 GB. [2021-02-22 01:15:42,820 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:15:42,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.28 ms. Allocated memory is still 152.0 MB. Free memory was 126.0 MB in the beginning and 104.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:15:42,821 INFO L168 Benchmark]: Boogie Preprocessor took 92.06 ms. Allocated memory is still 152.0 MB. Free memory was 104.7 MB in the beginning and 100.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:15:42,821 INFO L168 Benchmark]: RCFGBuilder took 1644.60 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 100.7 MB in the beginning and 116.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. [2021-02-22 01:15:42,821 INFO L168 Benchmark]: TraceAbstraction took 93623.99 ms. Allocated memory was 182.5 MB in the beginning and 973.1 MB in the end (delta: 790.6 MB). Free memory was 115.1 MB in the beginning and 614.9 MB in the end (delta: -499.8 MB). Peak memory consumption was 290.9 MB. Max. memory is 8.0 GB. [2021-02-22 01:15:42,822 INFO L339 ainManager$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 152.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 699.28 ms. Allocated memory is still 152.0 MB. Free memory was 126.0 MB in the beginning and 104.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.06 ms. Allocated memory is still 152.0 MB. Free memory was 104.7 MB in the beginning and 100.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1644.60 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 100.7 MB in the beginning and 116.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 93623.99 ms. Allocated memory was 182.5 MB in the beginning and 973.1 MB in the end (delta: 790.6 MB). Free memory was 115.1 MB in the beginning and 614.9 MB in the end (delta: -499.8 MB). Peak memory consumption was 290.9 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...