/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:44:14,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:44:14,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:44:14,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:44:14,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:44:14,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:44:14,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:44:14,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:44:14,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:44:14,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:44:14,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:44:14,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:44:14,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:44:14,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:44:14,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:44:14,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:44:14,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:44:14,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:44:14,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:44:14,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:44:14,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:44:14,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:44:14,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:44:14,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:44:14,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:44:14,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:44:14,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:44:14,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:44:14,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:44:14,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:44:14,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:44:14,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:44:14,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:44:14,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:44:14,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:44:14,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:44:14,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:44:14,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:44:14,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:44:14,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:44:14,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:44:14,811 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 03:44:14,832 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:44:14,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:44:14,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:44:14,836 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:44:14,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:44:14,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:44:14,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:44:14,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:44:14,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:44:14,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:44:14,838 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:44:14,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:44:14,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:44:14,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:44:14,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:44:14,840 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:44:14,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:44:14,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:44:14,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:44:14,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:44:14,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:44:14,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:44:14,841 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:44:14,841 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:44:15,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:44:15,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:44:15,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:44:15,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:44:15,310 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:44:15,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2021-02-24 03:44:15,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace097725/f061452dbea14ba5979fe229da46258a/FLAGac1fa7524 [2021-02-24 03:44:16,173 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:44:16,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2021-02-24 03:44:16,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace097725/f061452dbea14ba5979fe229da46258a/FLAGac1fa7524 [2021-02-24 03:44:16,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace097725/f061452dbea14ba5979fe229da46258a [2021-02-24 03:44:16,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:44:16,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:44:16,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:44:16,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:44:16,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:44:16,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:44:16" (1/1) ... [2021-02-24 03:44:16,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162aefeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:16, skipping insertion in model container [2021-02-24 03:44:16,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:44:16" (1/1) ... [2021-02-24 03:44:16,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:44:16,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:44:16,806 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c[17681,17694] [2021-02-24 03:44:16,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:44:16,833 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:44:16,984 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c[17681,17694] [2021-02-24 03:44:16,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:44:17,032 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:44:17,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17 WrapperNode [2021-02-24 03:44:17,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:44:17,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:44:17,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:44:17,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:44:17,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (1/1) ... [2021-02-24 03:44:17,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (1/1) ... [2021-02-24 03:44:17,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (1/1) ... [2021-02-24 03:44:17,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (1/1) ... [2021-02-24 03:44:17,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (1/1) ... [2021-02-24 03:44:17,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (1/1) ... [2021-02-24 03:44:17,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (1/1) ... [2021-02-24 03:44:17,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:44:17,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:44:17,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:44:17,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:44:17,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:44:17,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:44:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:44:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:44:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:44:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:44:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:44:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:44:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:44:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:44:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:44:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-24 03:44:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:44:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:44:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:44:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:44:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:44:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:44:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:44:17,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:44:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:44:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2021-02-24 03:44:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:44:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-24 03:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-24 03:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-24 03:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:44:17,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:44:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:44:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:44:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:44:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:44:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:44:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:44:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:44:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:44:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:44:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:44:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:44:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:44:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:44:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:44:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-24 03:44:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:44:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:44:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:44:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:44:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:44:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:44:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:44:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:44:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:44:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:44:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:44:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:44:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:44:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:44:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:44:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:44:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:44:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:44:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:44:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:44:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-24 03:44:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-24 03:44:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:44:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:44:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:44:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:44:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-24 03:44:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2021-02-24 03:44:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:44:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:44:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:44:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:44:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:44:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:44:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:44:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:44:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:44:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:44:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:44:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:44:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:44:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:44:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:44:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:44:19,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:44:19,165 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:44:19,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:44:19 BoogieIcfgContainer [2021-02-24 03:44:19,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:44:19,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:44:19,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:44:19,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:44:19,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:44:16" (1/3) ... [2021-02-24 03:44:19,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23df415a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:44:19, skipping insertion in model container [2021-02-24 03:44:19,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:44:17" (2/3) ... [2021-02-24 03:44:19,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23df415a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:44:19, skipping insertion in model container [2021-02-24 03:44:19,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:44:19" (3/3) ... [2021-02-24 03:44:19,178 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2021-02-24 03:44:19,185 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:44:19,191 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:44:19,211 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:44:19,236 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:44:19,236 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:44:19,237 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:44:19,237 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:44:19,237 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:44:19,237 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:44:19,237 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:44:19,238 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:44:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2021-02-24 03:44:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-24 03:44:19,284 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:44:19,285 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:44:19,285 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:44:19,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:44:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1542682562, now seen corresponding path program 1 times [2021-02-24 03:44:19,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:44:19,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137221599] [2021-02-24 03:44:19,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:44:19,383 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:44:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:19,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:19,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:19,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:19,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,453 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:44:20,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:44:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:44:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:44:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:44:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:44:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-24 03:44:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-24 03:44:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:44:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:20,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:20,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:44:20,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137221599] [2021-02-24 03:44:20,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:44:20,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:44:20,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815267046] [2021-02-24 03:44:20,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:44:20,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:44:20,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:44:20,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:44:20,752 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2021-02-24 03:44:23,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:44:23,074 INFO L93 Difference]: Finished difference Result 520 states and 605 transitions. [2021-02-24 03:44:23,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 03:44:23,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-24 03:44:23,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:44:23,094 INFO L225 Difference]: With dead ends: 520 [2021-02-24 03:44:23,094 INFO L226 Difference]: Without dead ends: 329 [2021-02-24 03:44:23,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:44:23,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-02-24 03:44:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 280. [2021-02-24 03:44:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-02-24 03:44:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 302 transitions. [2021-02-24 03:44:23,257 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 302 transitions. Word has length 165 [2021-02-24 03:44:23,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:44:23,258 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 302 transitions. [2021-02-24 03:44:23,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:44:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 302 transitions. [2021-02-24 03:44:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-24 03:44:23,263 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:44:23,263 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:44:23,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:44:23,264 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:44:23,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:44:23,264 INFO L82 PathProgramCache]: Analyzing trace with hash 863895014, now seen corresponding path program 1 times [2021-02-24 03:44:23,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:44:23,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910348847] [2021-02-24 03:44:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:44:23,269 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:44:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:23,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:23,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:23,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:23,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,006 WARN L202 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:44:24,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:44:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:44:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:44:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:44:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:44:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:44:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-24 03:44:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:44:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:24,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:24,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:44:24,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910348847] [2021-02-24 03:44:24,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:44:24,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 03:44:24,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132184499] [2021-02-24 03:44:24,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 03:44:24,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:44:24,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 03:44:24,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 03:44:24,161 INFO L87 Difference]: Start difference. First operand 280 states and 302 transitions. Second operand 5 states. [2021-02-24 03:44:25,386 WARN L202 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:44:27,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:44:27,098 INFO L93 Difference]: Finished difference Result 435 states and 486 transitions. [2021-02-24 03:44:27,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 03:44:27,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-24 03:44:27,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:44:27,109 INFO L225 Difference]: With dead ends: 435 [2021-02-24 03:44:27,109 INFO L226 Difference]: Without dead ends: 318 [2021-02-24 03:44:27,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-24 03:44:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-02-24 03:44:27,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 270. [2021-02-24 03:44:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2021-02-24 03:44:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 289 transitions. [2021-02-24 03:44:27,251 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 289 transitions. Word has length 166 [2021-02-24 03:44:27,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:44:27,251 INFO L480 AbstractCegarLoop]: Abstraction has 270 states and 289 transitions. [2021-02-24 03:44:27,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 03:44:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 289 transitions. [2021-02-24 03:44:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-24 03:44:27,254 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:44:27,255 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:44:27,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:44:27,255 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:44:27,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:44:27,256 INFO L82 PathProgramCache]: Analyzing trace with hash -390337318, now seen corresponding path program 1 times [2021-02-24 03:44:27,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:44:27,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228629538] [2021-02-24 03:44:27,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:44:27,261 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:44:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:27,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:27,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:27,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:27,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:27,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:27,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:27,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:27,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:27,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:27,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:44:27,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:27,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,054 WARN L202 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:44:28,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:44:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:44:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:44:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:28,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:44:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:44:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:44:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:28,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:44:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-24 03:44:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-24 03:44:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:28,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:28,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:28,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:44:28,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228629538] [2021-02-24 03:44:28,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:44:28,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:44:28,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537862479] [2021-02-24 03:44:28,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:44:28,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:44:28,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:44:28,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:44:28,342 INFO L87 Difference]: Start difference. First operand 270 states and 289 transitions. Second operand 11 states. [2021-02-24 03:44:29,424 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:44:30,235 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:44:30,951 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:44:31,707 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:32,397 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:44:33,088 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:35,149 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:44:39,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:44:39,002 INFO L93 Difference]: Finished difference Result 737 states and 848 transitions. [2021-02-24 03:44:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:44:39,003 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-24 03:44:39,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:44:39,010 INFO L225 Difference]: With dead ends: 737 [2021-02-24 03:44:39,011 INFO L226 Difference]: Without dead ends: 587 [2021-02-24 03:44:39,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-24 03:44:39,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-02-24 03:44:39,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 476. [2021-02-24 03:44:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2021-02-24 03:44:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 526 transitions. [2021-02-24 03:44:39,275 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 526 transitions. Word has length 179 [2021-02-24 03:44:39,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:44:39,280 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 526 transitions. [2021-02-24 03:44:39,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:44:39,282 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 526 transitions. [2021-02-24 03:44:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-24 03:44:39,292 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:44:39,293 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:44:39,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:44:39,294 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:44:39,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:44:39,296 INFO L82 PathProgramCache]: Analyzing trace with hash 736207555, now seen corresponding path program 1 times [2021-02-24 03:44:39,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:44:39,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870573653] [2021-02-24 03:44:39,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:44:39,305 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:44:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:39,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:39,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:39,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:39,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:39,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:39,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:39,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:39,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:39,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:39,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,049 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:44:40,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:40,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:44:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:44:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:44:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:44:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:44:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-24 03:44:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:40,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:44:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-24 03:44:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-24 03:44:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:40,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:40,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:40,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:40,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-24 03:44:40,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870573653] [2021-02-24 03:44:40,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:44:40,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 03:44:40,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48588824] [2021-02-24 03:44:40,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 03:44:40,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:44:40,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 03:44:40,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-24 03:44:40,313 INFO L87 Difference]: Start difference. First operand 476 states and 526 transitions. Second operand 10 states. [2021-02-24 03:44:41,366 WARN L202 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:44:43,028 WARN L202 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:43,748 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:44:45,922 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:46,685 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:44:47,420 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:48,305 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:44:48,986 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:49,734 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:44:51,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:44:51,000 INFO L93 Difference]: Finished difference Result 1081 states and 1270 transitions. [2021-02-24 03:44:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-24 03:44:51,002 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-24 03:44:51,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:44:51,009 INFO L225 Difference]: With dead ends: 1081 [2021-02-24 03:44:51,009 INFO L226 Difference]: Without dead ends: 725 [2021-02-24 03:44:51,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-24 03:44:51,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-02-24 03:44:51,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 636. [2021-02-24 03:44:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2021-02-24 03:44:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 708 transitions. [2021-02-24 03:44:51,278 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 708 transitions. Word has length 184 [2021-02-24 03:44:51,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:44:51,279 INFO L480 AbstractCegarLoop]: Abstraction has 636 states and 708 transitions. [2021-02-24 03:44:51,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 03:44:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 708 transitions. [2021-02-24 03:44:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-02-24 03:44:51,283 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:44:51,284 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:44:51,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:44:51,284 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:44:51,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:44:51,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1384706857, now seen corresponding path program 1 times [2021-02-24 03:44:51,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:44:51,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882051404] [2021-02-24 03:44:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:44:51,289 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:44:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:51,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:51,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:51,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:51,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:51,949 WARN L202 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:44:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:51,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:51,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:51,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:44:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:51,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:51,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:51,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:44:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:51,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:51,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:51,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:44:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:51,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:51,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:51,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:44:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:51,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:51,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:44:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:44:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:44:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:44:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:44:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:52,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:44:52,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:44:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:52,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:52,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:44:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:44:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:44:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:44:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:44:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:44:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-02-24 03:44:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-24 03:44:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:44:52,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:44:52,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:44:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:44:52,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882051404] [2021-02-24 03:44:52,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:44:52,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:44:52,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209673319] [2021-02-24 03:44:52,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:44:52,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:44:52,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:44:52,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:44:52,275 INFO L87 Difference]: Start difference. First operand 636 states and 708 transitions. Second operand 11 states. [2021-02-24 03:44:54,955 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:44:55,667 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:44:56,446 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:44:57,193 WARN L202 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:44:57,903 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:44:58,569 WARN L202 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:45:00,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:45:00,687 INFO L93 Difference]: Finished difference Result 1364 states and 1639 transitions. [2021-02-24 03:45:00,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-24 03:45:00,688 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2021-02-24 03:45:00,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:45:00,694 INFO L225 Difference]: With dead ends: 1364 [2021-02-24 03:45:00,694 INFO L226 Difference]: Without dead ends: 848 [2021-02-24 03:45:00,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-24 03:45:00,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-02-24 03:45:00,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 655. [2021-02-24 03:45:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2021-02-24 03:45:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 727 transitions. [2021-02-24 03:45:00,975 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 727 transitions. Word has length 234 [2021-02-24 03:45:00,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:45:00,976 INFO L480 AbstractCegarLoop]: Abstraction has 655 states and 727 transitions. [2021-02-24 03:45:00,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:45:00,976 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 727 transitions. [2021-02-24 03:45:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-02-24 03:45:00,980 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:45:00,980 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:45:00,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:45:00,981 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:45:00,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:45:00,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1470461047, now seen corresponding path program 1 times [2021-02-24 03:45:00,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:45:00,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265089820] [2021-02-24 03:45:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:45:00,985 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:45:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:01,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:01,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,659 WARN L202 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:45:01,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:45:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:45:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:45:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:45:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:45:01,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:45:01,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:45:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:45:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:45:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:45:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:45:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:45:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:45:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:01,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:01,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:45:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:01,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:01,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:45:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:45:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:45:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:45:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-02-24 03:45:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:01,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-24 03:45:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:01,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:01,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:45:02,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265089820] [2021-02-24 03:45:02,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:45:02,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-24 03:45:02,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911741137] [2021-02-24 03:45:02,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-24 03:45:02,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:45:02,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-24 03:45:02,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-24 03:45:02,043 INFO L87 Difference]: Start difference. First operand 655 states and 727 transitions. Second operand 14 states. [2021-02-24 03:45:03,327 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:45:04,067 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:45:04,777 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:45:05,478 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:45:06,145 WARN L202 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:45:08,238 WARN L202 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:45:08,944 WARN L202 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:45:09,674 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:45:10,447 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:45:11,117 WARN L202 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:45:13,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:45:13,270 INFO L93 Difference]: Finished difference Result 1401 states and 1676 transitions. [2021-02-24 03:45:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:45:13,273 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2021-02-24 03:45:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:45:13,279 INFO L225 Difference]: With dead ends: 1401 [2021-02-24 03:45:13,279 INFO L226 Difference]: Without dead ends: 866 [2021-02-24 03:45:13,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-24 03:45:13,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2021-02-24 03:45:13,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 667. [2021-02-24 03:45:13,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2021-02-24 03:45:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 739 transitions. [2021-02-24 03:45:13,507 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 739 transitions. Word has length 234 [2021-02-24 03:45:13,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:45:13,508 INFO L480 AbstractCegarLoop]: Abstraction has 667 states and 739 transitions. [2021-02-24 03:45:13,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-24 03:45:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 739 transitions. [2021-02-24 03:45:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-02-24 03:45:13,513 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:45:13,513 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:45:13,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 03:45:13,514 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:45:13,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:45:13,514 INFO L82 PathProgramCache]: Analyzing trace with hash -2090932794, now seen corresponding path program 1 times [2021-02-24 03:45:13,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:45:13,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028425347] [2021-02-24 03:45:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:45:13,518 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:45:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:13,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:13,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:13,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:13,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:13,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:13,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:13,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:13,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:13,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:13,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:45:13,626 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-24 03:45:13,627 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-24 03:45:13,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:13,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,250 WARN L202 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:45:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:45:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:45:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:45:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:45:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:45:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:45:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:45:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:45:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:45:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:45:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:45:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:14,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:45:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:45:14,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:45:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:45:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:45:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:45:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:45:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:45:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-02-24 03:45:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-24 03:45:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:14,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:14,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:45:14,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028425347] [2021-02-24 03:45:14,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:45:14,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 03:45:14,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909529133] [2021-02-24 03:45:14,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 03:45:14,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:45:14,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 03:45:14,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-24 03:45:14,513 INFO L87 Difference]: Start difference. First operand 667 states and 739 transitions. Second operand 8 states. [2021-02-24 03:45:15,667 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:45:17,005 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:45:21,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:45:21,094 INFO L93 Difference]: Finished difference Result 2144 states and 2597 transitions. [2021-02-24 03:45:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-24 03:45:21,096 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2021-02-24 03:45:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:45:21,107 INFO L225 Difference]: With dead ends: 2144 [2021-02-24 03:45:21,107 INFO L226 Difference]: Without dead ends: 1597 [2021-02-24 03:45:21,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2021-02-24 03:45:21,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2021-02-24 03:45:21,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1335. [2021-02-24 03:45:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2021-02-24 03:45:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1508 transitions. [2021-02-24 03:45:21,667 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1508 transitions. Word has length 234 [2021-02-24 03:45:21,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:45:21,668 INFO L480 AbstractCegarLoop]: Abstraction has 1335 states and 1508 transitions. [2021-02-24 03:45:21,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 03:45:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1508 transitions. [2021-02-24 03:45:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 03:45:21,672 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:45:21,672 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:45:21,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 03:45:21,673 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:45:21,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:45:21,673 INFO L82 PathProgramCache]: Analyzing trace with hash 810853005, now seen corresponding path program 1 times [2021-02-24 03:45:21,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:45:21,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332058023] [2021-02-24 03:45:21,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:45:21,677 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:45:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:21,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:21,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:21,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:21,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:21,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:21,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:21,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:21,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:21,804 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:45:21,805 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:45:21,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:21,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:21,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:21,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:21,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:21,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:21,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:21,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,443 WARN L202 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:45:22,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:45:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:45:22,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:45:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:45:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:45:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:45:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:45:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:45:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:45:22,578 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-24 03:45:22,580 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-24 03:45:22,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:45:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:45:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:45:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-24 03:45:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:45:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:45:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:45:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:45:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:45:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:45:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-24 03:45:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:22,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:22,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-24 03:45:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:22,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:22,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:45:22,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332058023] [2021-02-24 03:45:22,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:45:22,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-24 03:45:22,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943870970] [2021-02-24 03:45:22,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 03:45:22,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:45:22,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 03:45:22,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:45:22,870 INFO L87 Difference]: Start difference. First operand 1335 states and 1508 transitions. Second operand 15 states. [2021-02-24 03:45:24,752 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-24 03:45:26,338 WARN L202 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:45:29,010 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-24 03:45:30,402 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-24 03:45:31,254 WARN L202 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:45:31,976 WARN L202 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:45:33,414 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-24 03:45:34,152 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:45:34,946 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:45:35,663 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:45:41,891 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-24 03:45:42,576 WARN L202 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:45:43,311 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:45:44,129 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:45:47,448 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-24 03:45:48,787 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-24 03:45:50,196 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-24 03:45:51,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:45:51,210 INFO L93 Difference]: Finished difference Result 4016 states and 4873 transitions. [2021-02-24 03:45:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-02-24 03:45:51,211 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2021-02-24 03:45:51,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:45:51,229 INFO L225 Difference]: With dead ends: 4016 [2021-02-24 03:45:51,229 INFO L226 Difference]: Without dead ends: 3072 [2021-02-24 03:45:51,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=805, Invalid=3227, Unknown=0, NotChecked=0, Total=4032 [2021-02-24 03:45:51,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2021-02-24 03:45:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 2386. [2021-02-24 03:45:52,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2021-02-24 03:45:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 2686 transitions. [2021-02-24 03:45:52,587 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 2686 transitions. Word has length 239 [2021-02-24 03:45:52,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:45:52,588 INFO L480 AbstractCegarLoop]: Abstraction has 2386 states and 2686 transitions. [2021-02-24 03:45:52,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 03:45:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2686 transitions. [2021-02-24 03:45:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-02-24 03:45:52,593 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:45:52,593 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:45:52,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 03:45:52,594 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:45:52,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:45:52,594 INFO L82 PathProgramCache]: Analyzing trace with hash 773275830, now seen corresponding path program 1 times [2021-02-24 03:45:52,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:45:52,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411222371] [2021-02-24 03:45:52,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:45:52,710 WARN L141 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size [2021-02-24 03:45:52,733 WARN L147 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size 70 [2021-02-24 03:45:52,744 WARN L141 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size [2021-02-24 03:45:52,750 WARN L147 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size 70 [2021-02-24 03:45:52,817 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-24 03:45:52,829 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-24 03:45:52,833 WARN L141 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size [2021-02-24 03:45:52,836 WARN L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-02-24 03:45:52,839 WARN L141 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size [2021-02-24 03:45:52,840 WARN L147 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size 1 [2021-02-24 03:45:52,843 WARN L141 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size [2021-02-24 03:45:52,843 WARN L147 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size 1 [2021-02-24 03:45:52,846 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:45:52,848 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:45:52,851 WARN L141 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size [2021-02-24 03:45:52,853 WARN L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-02-24 03:45:52,856 WARN L141 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size [2021-02-24 03:45:52,862 WARN L147 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size 70 [2021-02-24 03:45:52,865 WARN L141 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size [2021-02-24 03:45:52,870 WARN L147 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size 70 [2021-02-24 03:45:52,982 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2021-02-24 03:45:52,986 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-24 03:45:52,988 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-24 03:45:52,990 WARN L141 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size [2021-02-24 03:45:52,999 WARN L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-02-24 03:45:53,003 WARN L141 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size [2021-02-24 03:45:53,013 WARN L147 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size 70 [2021-02-24 03:45:53,016 WARN L141 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size [2021-02-24 03:45:53,025 WARN L147 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size 70 [2021-02-24 03:45:53,092 WARN L141 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size [2021-02-24 03:45:53,095 WARN L147 QuantifierPusher]: treesize reduction 32, result has 20.0 percent of original size 8 [2021-02-24 03:45:53,097 WARN L141 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size [2021-02-24 03:45:53,103 WARN L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-02-24 03:45:53,108 WARN L141 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size [2021-02-24 03:45:53,118 WARN L147 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size 70 [2021-02-24 03:45:53,121 WARN L141 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size [2021-02-24 03:45:53,129 WARN L147 QuantifierPusher]: treesize reduction 33, result has 68.0 percent of original size 70 [2021-02-24 03:45:53,194 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-02-24 03:45:53,198 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size 36 [2021-02-24 03:45:53,202 WARN L141 QuantifierPusher]: treesize reduction 18, result has 80.0 percent of original size [2021-02-24 03:45:53,207 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:45:53,228 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:53,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:45:53,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:53,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-02-24 03:45:53,238 WARN L147 QuantifierPusher]: treesize reduction 18, result has 80.0 percent of original size 72 [2021-02-24 03:45:53,242 WARN L141 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size [2021-02-24 03:45:53,243 WARN L147 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size 1 [2021-02-24 03:45:53,246 WARN L141 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size [2021-02-24 03:45:53,247 WARN L147 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size 1 [2021-02-24 03:45:53,250 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:45:53,251 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:45:53,254 WARN L141 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size [2021-02-24 03:45:53,258 WARN L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-02-24 03:45:53,260 WARN L141 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size [2021-02-24 03:45:53,261 WARN L147 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size 1 [2021-02-24 03:45:53,264 WARN L141 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size [2021-02-24 03:45:53,265 WARN L147 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size 1 [2021-02-24 03:45:53,268 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:45:53,269 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:45:53,272 WARN L141 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size [2021-02-24 03:45:53,275 WARN L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-02-24 03:45:53,278 WARN L141 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size [2021-02-24 03:45:53,279 WARN L147 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size 1 [2021-02-24 03:45:53,281 WARN L141 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size [2021-02-24 03:45:53,281 WARN L147 QuantifierPusher]: treesize reduction 102, result has 1.0 percent of original size 1 [2021-02-24 03:45:53,284 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:45:53,286 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:45:53,288 WARN L141 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size [2021-02-24 03:45:53,290 WARN L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-02-24 03:45:53,291 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:45:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:53,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:53,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:53,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:53,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:53,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:53,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:45:53,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:53,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,022 WARN L202 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:45:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:45:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:45:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:45:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:45:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:45:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:45:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-24 03:45:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:45:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:54,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:54,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:45:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:54,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:54,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-24 03:45:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-24 03:45:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:45:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-02-24 03:45:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-24 03:45:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:45:54,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:45:54,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:45:54,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:45:54,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:45:54,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:45:54,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:45:54,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:45:54,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:45:54,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:54,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:45:54,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:45:54,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:45:54,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:45:54,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:45:54,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:54,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:45:54,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:54,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:45:54,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:45:54,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:54,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:45:54,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:54,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:45:54,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:45:54,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:45:54,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:54,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:45:54,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:45:54,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:45:54,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:45:54,823 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-24 03:45:54,823 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-24 03:45:54,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:45:54,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:45:54,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:54,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:55,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:55,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:45:55,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:55,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:45:55,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:55,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:55,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:55,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:45:55,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:55,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:45:55,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:45:55,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:45:55,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:45:55,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:45:55,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:45:55,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:45:55,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:45:55,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:45:55,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:55,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:55,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:45:55,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:45:55,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:45:55,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:55,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:45:55,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:55,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:45:55,950 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-24 03:45:55,951 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-24 03:45:55,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:55,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:45:56,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:45:56,046 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-24 03:45:56,047 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-24 03:45:56,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:56,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:56,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:56,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:45:56,407 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:45:56,408 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:45:56,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:56,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:45:56,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:56,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:56,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:45:56,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:45:56,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:45:56,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:56,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 03:45:57,031 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:45:57,032 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:45:57,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:57,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:45:57,246 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-24 03:45:57,247 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-24 03:45:57,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:45:57,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:57,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:57,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:45:57,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:57,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:57,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:45:57,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:57,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:57,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:57,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:45:57,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:45:57,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:45:57,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 03:45:57,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:45:57,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:57,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:45:58,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:58,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:45:58,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:58,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:45:58,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:58,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:45:58,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:58,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 03:45:58,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:58,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:45:58,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:58,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:45:58,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:58,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:45:58,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:58,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:45:59,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:59,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:45:59,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:59,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:45:59,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:45:59,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:45:59,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:45:59,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:45:59,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:45:59,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:45:59,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:45:59,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:45:59,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:45:59,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:45:59,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:46:00,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:00,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:46:00,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:00,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:46:00,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:00,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:46:00,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:00,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:46:00,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:00,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:46:00,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:00,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:00,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411222371] [2021-02-24 03:46:00,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:46:00,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-24 03:46:00,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492115816] [2021-02-24 03:46:00,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-24 03:46:00,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:46:00,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-24 03:46:00,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=4819, Unknown=0, NotChecked=0, Total=5256 [2021-02-24 03:46:00,124 INFO L87 Difference]: Start difference. First operand 2386 states and 2686 transitions. Second operand 67 states. [2021-02-24 03:46:01,286 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:02,668 WARN L202 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:46:03,430 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:46:04,201 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:46:04,978 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:46:05,756 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:46:06,572 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:46:08,071 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 223 DAG size of output: 221 [2021-02-24 03:46:08,882 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:46:09,768 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:46:10,579 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:46:11,455 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:46:12,418 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-24 03:46:13,425 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:46:14,353 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-24 03:46:15,387 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:46:17,098 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:46:17,994 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:46:18,674 WARN L202 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:46:19,483 WARN L202 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:46:20,243 WARN L202 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:46:21,138 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:21,926 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:46:22,717 WARN L202 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:23,624 WARN L202 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:46:24,405 WARN L202 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:25,559 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:46:26,428 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:46:27,269 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:46:28,232 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:46:29,256 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:46:30,018 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:46:30,845 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:46:31,598 WARN L202 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:46:32,637 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:46:33,577 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:46:34,598 WARN L202 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:46:35,715 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:46:36,739 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:46:37,677 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:46:38,568 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:46:39,465 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:46:42,182 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:46:43,302 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:46:44,353 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:46:45,511 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:46:46,406 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:46:47,425 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:46:48,457 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:46:49,411 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:46:50,527 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:46:51,468 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:46:52,357 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:46:53,426 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:46:54,201 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:46:55,003 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:46:55,832 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:46:57,075 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:46:57,960 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:46:59,135 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:47:00,064 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:47:00,952 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:02,179 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:47:02,972 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:05,139 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:47:07,306 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:47:09,617 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:47:11,736 WARN L202 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:47:12,924 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:47:13,979 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:15,081 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:47:16,229 WARN L202 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:17,119 WARN L202 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:47:20,758 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:47:23,176 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-24 03:47:26,078 WARN L202 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-24 03:47:29,150 WARN L202 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-24 03:47:30,919 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:32,681 WARN L202 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:47:34,596 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:47:35,722 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:36,683 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:38,630 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-24 03:47:39,701 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:47:40,830 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:42,719 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2021-02-24 03:47:44,463 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:45,568 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:47,218 WARN L202 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:47:48,072 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:47:50,931 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:47:51,708 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:47:53,445 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-24 03:47:55,709 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-24 03:47:58,875 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:00,284 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:01,730 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-24 03:48:04,213 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:48:05,792 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:48:06,936 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:48:07,973 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:48:08,804 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:09,708 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:48:10,516 WARN L202 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:48:11,368 WARN L202 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:12,161 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:13,054 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:13,883 WARN L202 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:48:19,989 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:48:21,810 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:48:22,954 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:24,111 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:24,926 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:25,758 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:26,909 WARN L202 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:49:04,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:49:04,278 INFO L93 Difference]: Finished difference Result 7411 states and 9606 transitions. [2021-02-24 03:49:04,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 665 states. [2021-02-24 03:49:04,280 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 302 [2021-02-24 03:49:04,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:49:04,322 INFO L225 Difference]: With dead ends: 7411 [2021-02-24 03:49:04,322 INFO L226 Difference]: Without dead ends: 5401 [2021-02-24 03:49:04,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 950 GetRequests, 215 SyntacticMatches, 5 SemanticMatches, 730 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247996 ImplicationChecksByTransitivity, 152.1s TimeCoverageRelationStatistics Valid=25058, Invalid=510034, Unknown=0, NotChecked=0, Total=535092 [2021-02-24 03:49:04,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5401 states. [2021-02-24 03:49:06,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5401 to 2882. [2021-02-24 03:49:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2882 states. [2021-02-24 03:49:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 3210 transitions. [2021-02-24 03:49:06,275 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 3210 transitions. Word has length 302 [2021-02-24 03:49:06,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:49:06,276 INFO L480 AbstractCegarLoop]: Abstraction has 2882 states and 3210 transitions. [2021-02-24 03:49:06,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-24 03:49:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 3210 transitions. [2021-02-24 03:49:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2021-02-24 03:49:06,289 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:49:06,290 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:49:06,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-24 03:49:06,290 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:49:06,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:49:06,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1597226935, now seen corresponding path program 1 times [2021-02-24 03:49:06,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:49:06,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039049933] [2021-02-24 03:49:06,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:49:06,499 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size [2021-02-24 03:49:06,502 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size 72 [2021-02-24 03:49:06,505 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size [2021-02-24 03:49:06,508 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size 72 [2021-02-24 03:49:06,582 WARN L141 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size [2021-02-24 03:49:06,584 WARN L147 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size 8 [2021-02-24 03:49:06,587 WARN L141 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-02-24 03:49:06,591 WARN L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-02-24 03:49:06,594 WARN L141 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size [2021-02-24 03:49:06,597 WARN L147 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size 70 [2021-02-24 03:49:06,599 WARN L141 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size [2021-02-24 03:49:06,608 WARN L147 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size 70 [2021-02-24 03:49:06,670 WARN L141 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size [2021-02-24 03:49:06,672 WARN L147 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size 8 [2021-02-24 03:49:06,674 WARN L141 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-02-24 03:49:06,678 WARN L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-02-24 03:49:06,680 WARN L141 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size [2021-02-24 03:49:06,681 WARN L147 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size 1 [2021-02-24 03:49:06,683 WARN L141 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size [2021-02-24 03:49:06,683 WARN L147 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size 1 [2021-02-24 03:49:06,686 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:49:06,688 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:49:06,690 WARN L141 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-02-24 03:49:06,694 WARN L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-02-24 03:49:06,696 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size [2021-02-24 03:49:06,701 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size 72 [2021-02-24 03:49:06,703 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size [2021-02-24 03:49:06,706 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.7 percent of original size 72 [2021-02-24 03:49:06,770 WARN L141 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size [2021-02-24 03:49:06,772 WARN L147 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size 8 [2021-02-24 03:49:06,775 WARN L141 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-02-24 03:49:06,777 WARN L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-02-24 03:49:06,779 WARN L141 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size [2021-02-24 03:49:06,782 WARN L147 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size 70 [2021-02-24 03:49:06,785 WARN L141 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size [2021-02-24 03:49:06,787 WARN L147 QuantifierPusher]: treesize reduction 13, result has 84.3 percent of original size 70 [2021-02-24 03:49:06,859 WARN L141 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-02-24 03:49:06,861 WARN L147 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size 33 [2021-02-24 03:49:06,864 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size [2021-02-24 03:49:06,865 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:06,866 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:06,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:06,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:06,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-24 03:49:06,871 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.3 percent of original size 75 [2021-02-24 03:49:06,873 WARN L141 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size [2021-02-24 03:49:06,873 WARN L147 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size 1 [2021-02-24 03:49:06,878 WARN L141 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size [2021-02-24 03:49:06,878 WARN L147 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size 1 [2021-02-24 03:49:06,883 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:49:06,885 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:49:06,887 WARN L141 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-02-24 03:49:06,888 WARN L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-02-24 03:49:06,890 WARN L141 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size [2021-02-24 03:49:06,890 WARN L147 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size 1 [2021-02-24 03:49:06,894 WARN L141 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size [2021-02-24 03:49:06,895 WARN L147 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size 1 [2021-02-24 03:49:06,897 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:49:06,898 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:49:06,900 WARN L141 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-02-24 03:49:06,902 WARN L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-02-24 03:49:06,903 WARN L141 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size [2021-02-24 03:49:06,904 WARN L147 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size 1 [2021-02-24 03:49:06,906 WARN L141 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size [2021-02-24 03:49:06,906 WARN L147 QuantifierPusher]: treesize reduction 82, result has 1.2 percent of original size 1 [2021-02-24 03:49:06,910 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:49:06,912 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:49:06,914 WARN L141 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-02-24 03:49:06,916 WARN L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-02-24 03:49:06,918 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-24 03:49:06,918 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-24 03:49:06,920 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form, v_~switchedOnBeforeTS~0_77 has two outvars in equality [(= v_test_~tmp___2~0_15 |v_test_#t~nondet74_32|), (= v_test_~tmp~6_15 0), (<= v_~pumpRunning~0_113 2147483647), (<= |v_test_#t~nondet74_32| 2147483647), (> v_test_~tmp___2~0_15 0), (< 0 v_~waterLevel~0_110), (= v_~pumpRunning~0_113 v_~switchedOnBeforeTS~0_77), (> v_~pumpRunning~0_113 0), (<= 0 (+ |v_test_#t~nondet73_32| 2147483648)), (< v_test_~tmp___0~1_15 0), (= v_~methaneLevelCritical~0_53 1), (<= |v_test_#t~nondet72_32| 2147483647), (< v_~systemActive~0_50 0), (= v_~systemActive~0_50 1), (= v_~methaneLevelCritical~0_54 0), (<= 0 (+ v_~pumpRunning~0_113 2147483648)), (= 2 v_~waterLevel~0_109), (= v_~waterLevel~0_110 (+ v_~waterLevel~0_109 1)), (= v_test_~tmp___0~1_15 |v_test_#t~nondet73_32|), (= v_test_~tmp~6_15 |v_test_#t~nondet72_32|), (<= 0 (+ |v_test_#t~nondet74_32| 2147483648)), (<= 0 (+ |v_test_#t~nondet72_32| 2147483648)), (= v_~pumpRunning~0_114 v_~pumpRunning~0_113), (< v_test_~splverifierCounter~0_23 4), (<= |v_test_#t~nondet73_32| 2147483647)] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.extractUpdateRhs(SimultaneousUpdate.java:154) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:104) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.calculateSymbolicMemory(LoopAcceleratorLite.java:167) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.summarizeLoop(LoopAcceleratorLite.java:105) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:52) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 03:49:06,924 INFO L168 Benchmark]: Toolchain (without parser) took 290500.45 ms. Allocated memory was 153.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 128.3 MB in the beginning and 425.2 MB in the end (delta: -296.9 MB). Peak memory consumption was 744.9 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:06,924 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 153.1 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:49:06,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.49 ms. Allocated memory is still 153.1 MB. Free memory was 127.1 MB in the beginning and 105.7 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:06,924 INFO L168 Benchmark]: Boogie Preprocessor took 142.44 ms. Allocated memory is still 153.1 MB. Free memory was 105.7 MB in the beginning and 101.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:06,925 INFO L168 Benchmark]: RCFGBuilder took 1991.13 ms. Allocated memory was 153.1 MB in the beginning and 190.8 MB in the end (delta: 37.7 MB). Free memory was 101.7 MB in the beginning and 124.8 MB in the end (delta: -23.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:06,925 INFO L168 Benchmark]: TraceAbstraction took 287753.31 ms. Allocated memory was 190.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 124.3 MB in the beginning and 425.2 MB in the end (delta: -300.9 MB). Peak memory consumption was 701.5 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:06,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 153.1 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 592.49 ms. Allocated memory is still 153.1 MB. Free memory was 127.1 MB in the beginning and 105.7 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 142.44 ms. Allocated memory is still 153.1 MB. Free memory was 105.7 MB in the beginning and 101.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1991.13 ms. Allocated memory was 153.1 MB in the beginning and 190.8 MB in the end (delta: 37.7 MB). Free memory was 101.7 MB in the beginning and 124.8 MB in the end (delta: -23.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 287753.31 ms. Allocated memory was 190.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 124.3 MB in the beginning and 425.2 MB in the end (delta: -300.9 MB). Peak memory consumption was 701.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form, v_~switchedOnBeforeTS~0_77 has two outvars in equality [(= v_test_~tmp___2~0_15 |v_test_#t~nondet74_32|), (= v_test_~tmp~6_15 0), (<= v_~pumpRunning~0_113 2147483647), (<= |v_test_#t~nondet74_32| 2147483647), (> v_test_~tmp___2~0_15 0), (< 0 v_~waterLevel~0_110), (= v_~pumpRunning~0_113 v_~switchedOnBeforeTS~0_77), (> v_~pumpRunning~0_113 0), (<= 0 (+ |v_test_#t~nondet73_32| 2147483648)), (< v_test_~tmp___0~1_15 0), (= v_~methaneLevelCritical~0_53 1), (<= |v_test_#t~nondet72_32| 2147483647), (< v_~systemActive~0_50 0), (= v_~systemActive~0_50 1), (= v_~methaneLevelCritical~0_54 0), (<= 0 (+ v_~pumpRunning~0_113 2147483648)), (= 2 v_~waterLevel~0_109), (= v_~waterLevel~0_110 (+ v_~waterLevel~0_109 1)), (= v_test_~tmp___0~1_15 |v_test_#t~nondet73_32|), (= v_test_~tmp~6_15 |v_test_#t~nondet72_32|), (<= 0 (+ |v_test_#t~nondet74_32| 2147483648)), (<= 0 (+ |v_test_#t~nondet72_32| 2147483648)), (= v_~pumpRunning~0_114 v_~pumpRunning~0_113), (< v_test_~splverifierCounter~0_23 4), (<= |v_test_#t~nondet73_32| 2147483647)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, v_~switchedOnBeforeTS~0_77 has two outvars in equality [(= v_test_~tmp___2~0_15 |v_test_#t~nondet74_32|), (= v_test_~tmp~6_15 0), (<= v_~pumpRunning~0_113 2147483647), (<= |v_test_#t~nondet74_32| 2147483647), (> v_test_~tmp___2~0_15 0), (< 0 v_~waterLevel~0_110), (= v_~pumpRunning~0_113 v_~switchedOnBeforeTS~0_77), (> v_~pumpRunning~0_113 0), (<= 0 (+ |v_test_#t~nondet73_32| 2147483648)), (< v_test_~tmp___0~1_15 0), (= v_~methaneLevelCritical~0_53 1), (<= |v_test_#t~nondet72_32| 2147483647), (< v_~systemActive~0_50 0), (= v_~systemActive~0_50 1), (= v_~methaneLevelCritical~0_54 0), (<= 0 (+ v_~pumpRunning~0_113 2147483648)), (= 2 v_~waterLevel~0_109), (= v_~waterLevel~0_110 (+ v_~waterLevel~0_109 1)), (= v_test_~tmp___0~1_15 |v_test_#t~nondet73_32|), (= v_test_~tmp~6_15 |v_test_#t~nondet72_32|), (<= 0 (+ |v_test_#t~nondet74_32| 2147483648)), (<= 0 (+ |v_test_#t~nondet72_32| 2147483648)), (= v_~pumpRunning~0_114 v_~pumpRunning~0_113), (< v_test_~splverifierCounter~0_23 4), (<= |v_test_#t~nondet73_32| 2147483647)]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...