/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:14:06,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:14:06,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:14:06,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:14:06,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:14:06,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:14:06,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:14:06,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:14:06,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:14:06,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:14:06,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:14:06,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:14:06,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:14:06,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:14:06,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:14:06,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:14:06,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:14:06,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:14:06,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:14:06,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:14:06,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:14:06,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:14:06,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:14:06,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:14:06,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 18:14:06,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 18:14:06,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 18:14:06,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 18:14:06,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 18:14:06,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 18:14:06,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:14:06,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:14:06,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:14:06,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:14:06,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:14:06,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:14:06,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:14:06,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:14:06,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:14:06,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:14:06,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:14:06,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:14:06,893 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:14:06,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:14:06,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:14:06,895 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:14:06,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:14:06,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:14:06,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:14:06,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:14:06,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:14:06,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:14:06,896 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:14:06,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:14:06,896 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:14:06,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:14:06,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:14:06,897 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:14:06,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:14:06,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:14:06,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:14:06,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:14:06,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:14:06,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:14:06,898 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:14:07,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:14:07,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:14:07,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:14:07,180 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:14:07,180 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:14:07,181 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-08-22 18:14:07,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ecc0983/5eb5687304c34c939dcdb5ed1452a07c/FLAG4a734713e [2020-08-22 18:14:07,784 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:14:07,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-08-22 18:14:07,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ecc0983/5eb5687304c34c939dcdb5ed1452a07c/FLAG4a734713e [2020-08-22 18:14:08,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ecc0983/5eb5687304c34c939dcdb5ed1452a07c [2020-08-22 18:14:08,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:14:08,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:14:08,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:14:08,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:14:08,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:14:08,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af9f3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08, skipping insertion in model container [2020-08-22 18:14:08,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:14:08,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:14:08,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:14:08,645 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:14:08,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:14:08,786 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:14:08,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08 WrapperNode [2020-08-22 18:14:08,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:14:08,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:14:08,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:14:08,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:14:08,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (1/1) ... [2020-08-22 18:14:08,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:14:08,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:14:08,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:14:08,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:14:08,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (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 [2020-08-22 18:14:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:14:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:14:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 18:14:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 18:14:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 18:14:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 18:14:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 18:14:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 18:14:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:14:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 18:14:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 18:14:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 18:14:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 18:14:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 18:14:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 18:14:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 18:14:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 18:14:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 18:14:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 18:14:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 18:14:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 18:14:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 18:14:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 18:14:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 18:14:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 18:14:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 18:14:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 18:14:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 18:14:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 18:14:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 18:14:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 18:14:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 18:14:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 18:14:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 18:14:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 18:14:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 18:14:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 18:14:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 18:14:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 18:14:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 18:14:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 18:14:08,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:14:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 18:14:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 18:14:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 18:14:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 18:14:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 18:14:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 18:14:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 18:14:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 18:14:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 18:14:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 18:14:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 18:14:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 18:14:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 18:14:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 18:14:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 18:14:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 18:14:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:14:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 18:14:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 18:14:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 18:14:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 18:14:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 18:14:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 18:14:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 18:14:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 18:14:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 18:14:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 18:14:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 18:14:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 18:14:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 18:14:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 18:14:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 18:14:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 18:14:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 18:14:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 18:14:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 18:14:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 18:14:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 18:14:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 18:14:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 18:14:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 18:14:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 18:14:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 18:14:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 18:14:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 18:14:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 18:14:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 18:14:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 18:14:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 18:14:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 18:14:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 18:14:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:14:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 18:14:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:14:10,092 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:14:10,092 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 18:14:10,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:14:10 BoogieIcfgContainer [2020-08-22 18:14:10,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:14:10,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:14:10,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:14:10,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:14:10,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:14:08" (1/3) ... [2020-08-22 18:14:10,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f4a3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:14:10, skipping insertion in model container [2020-08-22 18:14:10,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:08" (2/3) ... [2020-08-22 18:14:10,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f4a3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:14:10, skipping insertion in model container [2020-08-22 18:14:10,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:14:10" (3/3) ... [2020-08-22 18:14:10,111 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-08-22 18:14:10,123 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:14:10,133 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:14:10,148 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:14:10,173 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:14:10,173 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:14:10,173 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:14:10,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:14:10,174 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:14:10,174 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:14:10,174 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:14:10,174 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:14:10,199 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-08-22 18:14:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 18:14:10,221 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:10,222 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] [2020-08-22 18:14:10,223 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:10,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:10,228 INFO L82 PathProgramCache]: Analyzing trace with hash -548539878, now seen corresponding path program 1 times [2020-08-22 18:14:10,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:10,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628697978] [2020-08-22 18:14:10,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:10,306 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:10,993 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:10,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 18:14:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 18:14:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 18:14:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:14:11,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628697978] [2020-08-22 18:14:11,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:11,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 18:14:11,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854796197] [2020-08-22 18:14:11,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 18:14:11,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:11,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 18:14:11,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 18:14:11,308 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 4 states. [2020-08-22 18:14:12,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:12,702 INFO L93 Difference]: Finished difference Result 505 states and 591 transitions. [2020-08-22 18:14:12,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 18:14:12,705 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-08-22 18:14:12,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:12,725 INFO L225 Difference]: With dead ends: 505 [2020-08-22 18:14:12,725 INFO L226 Difference]: Without dead ends: 318 [2020-08-22 18:14:12,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 18:14:12,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-08-22 18:14:12,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 272. [2020-08-22 18:14:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-08-22 18:14:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 295 transitions. [2020-08-22 18:14:12,912 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 295 transitions. Word has length 160 [2020-08-22 18:14:12,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:12,913 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 295 transitions. [2020-08-22 18:14:12,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 18:14:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 295 transitions. [2020-08-22 18:14:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 18:14:12,917 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:12,918 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] [2020-08-22 18:14:12,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:14:12,918 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:12,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:12,919 INFO L82 PathProgramCache]: Analyzing trace with hash -2128164298, now seen corresponding path program 1 times [2020-08-22 18:14:12,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:12,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238575302] [2020-08-22 18:14:12,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:12,923 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,274 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:13,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:14:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:14:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:14:13,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238575302] [2020-08-22 18:14:13,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:13,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 18:14:13,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390188556] [2020-08-22 18:14:13,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 18:14:13,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:13,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 18:14:13,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 18:14:13,396 INFO L87 Difference]: Start difference. First operand 272 states and 295 transitions. Second operand 5 states. [2020-08-22 18:14:14,057 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:15,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:15,069 INFO L93 Difference]: Finished difference Result 430 states and 483 transitions. [2020-08-22 18:14:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 18:14:15,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-08-22 18:14:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:15,075 INFO L225 Difference]: With dead ends: 430 [2020-08-22 18:14:15,075 INFO L226 Difference]: Without dead ends: 307 [2020-08-22 18:14:15,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 18:14:15,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-08-22 18:14:15,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-08-22 18:14:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-08-22 18:14:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-08-22 18:14:15,168 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 161 [2020-08-22 18:14:15,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:15,169 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-08-22 18:14:15,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 18:14:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-08-22 18:14:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-08-22 18:14:15,172 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:15,172 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] [2020-08-22 18:14:15,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 18:14:15,173 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:15,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:15,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1816762298, now seen corresponding path program 1 times [2020-08-22 18:14:15,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:15,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915160217] [2020-08-22 18:14:15,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:15,177 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,535 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:15,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 18:14:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-08-22 18:14:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:14:15,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915160217] [2020-08-22 18:14:15,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:15,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 18:14:15,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915593861] [2020-08-22 18:14:15,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 18:14:15,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:15,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 18:14:15,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:14:15,775 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 11 states. [2020-08-22 18:14:16,537 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:16,998 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:17,242 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:14:17,547 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:17,828 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:18,046 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:19,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:19,877 INFO L93 Difference]: Finished difference Result 477 states and 548 transitions. [2020-08-22 18:14:19,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 18:14:19,878 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-08-22 18:14:19,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:19,882 INFO L225 Difference]: With dead ends: 477 [2020-08-22 18:14:19,882 INFO L226 Difference]: Without dead ends: 330 [2020-08-22 18:14:19,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-08-22 18:14:19,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-08-22 18:14:19,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 262. [2020-08-22 18:14:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-08-22 18:14:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 281 transitions. [2020-08-22 18:14:19,955 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 281 transitions. Word has length 174 [2020-08-22 18:14:19,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:19,956 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 281 transitions. [2020-08-22 18:14:19,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 18:14:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 281 transitions. [2020-08-22 18:14:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-08-22 18:14:19,959 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:19,959 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] [2020-08-22 18:14:19,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 18:14:19,960 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:19,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:19,960 INFO L82 PathProgramCache]: Analyzing trace with hash -113759087, now seen corresponding path program 1 times [2020-08-22 18:14:19,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:19,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488798184] [2020-08-22 18:14:19,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:19,963 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,254 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:20,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-22 18:14:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-22 18:14:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:14:20,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [488798184] [2020-08-22 18:14:20,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:20,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 18:14:20,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774856899] [2020-08-22 18:14:20,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 18:14:20,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:20,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 18:14:20,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 18:14:20,490 INFO L87 Difference]: Start difference. First operand 262 states and 281 transitions. Second operand 8 states. [2020-08-22 18:14:20,957 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:22,698 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:23,448 INFO L93 Difference]: Finished difference Result 666 states and 793 transitions. [2020-08-22 18:14:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 18:14:23,449 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-08-22 18:14:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:23,454 INFO L225 Difference]: With dead ends: 666 [2020-08-22 18:14:23,455 INFO L226 Difference]: Without dead ends: 519 [2020-08-22 18:14:23,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-08-22 18:14:23,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-08-22 18:14:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 381. [2020-08-22 18:14:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-08-22 18:14:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 412 transitions. [2020-08-22 18:14:23,614 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 412 transitions. Word has length 187 [2020-08-22 18:14:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:23,615 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 412 transitions. [2020-08-22 18:14:23,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 18:14:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 412 transitions. [2020-08-22 18:14:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-08-22 18:14:23,618 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:23,618 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] [2020-08-22 18:14:23,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 18:14:23,618 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:23,619 INFO L82 PathProgramCache]: Analyzing trace with hash 2080657374, now seen corresponding path program 1 times [2020-08-22 18:14:23,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:23,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139647340] [2020-08-22 18:14:23,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:23,623 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:23,928 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:23,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:23,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:23,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:23,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:23,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:23,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-08-22 18:14:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-08-22 18:14:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 18:14:24,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139647340] [2020-08-22 18:14:24,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:24,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 18:14:24,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080506642] [2020-08-22 18:14:24,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 18:14:24,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:24,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 18:14:24,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:14:24,181 INFO L87 Difference]: Start difference. First operand 381 states and 412 transitions. Second operand 11 states. [2020-08-22 18:14:24,695 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:25,542 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:25,767 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:26,595 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:26,875 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:27,215 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:27,747 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:27,988 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:28,209 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:28,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:28,796 INFO L93 Difference]: Finished difference Result 784 states and 920 transitions. [2020-08-22 18:14:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-22 18:14:28,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-08-22 18:14:28,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:28,802 INFO L225 Difference]: With dead ends: 784 [2020-08-22 18:14:28,802 INFO L226 Difference]: Without dead ends: 518 [2020-08-22 18:14:28,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-08-22 18:14:28,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-08-22 18:14:28,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 380. [2020-08-22 18:14:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-08-22 18:14:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 409 transitions. [2020-08-22 18:14:28,941 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 409 transitions. Word has length 211 [2020-08-22 18:14:28,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:28,941 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 409 transitions. [2020-08-22 18:14:28,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 18:14:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 409 transitions. [2020-08-22 18:14:28,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-08-22 18:14:28,944 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:28,945 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] [2020-08-22 18:14:28,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 18:14:28,945 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:28,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:28,945 INFO L82 PathProgramCache]: Analyzing trace with hash -841990399, now seen corresponding path program 1 times [2020-08-22 18:14:28,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:28,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118533481] [2020-08-22 18:14:28,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:28,948 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,212 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:29,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-08-22 18:14:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 18:14:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:14:29,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118533481] [2020-08-22 18:14:29,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:29,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 18:14:29,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045463110] [2020-08-22 18:14:29,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 18:14:29,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:29,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 18:14:29,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:14:29,413 INFO L87 Difference]: Start difference. First operand 380 states and 409 transitions. Second operand 11 states. [2020-08-22 18:14:30,661 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:30,900 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:14:31,190 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:14:31,426 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:31,663 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:31,880 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:32,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:32,724 INFO L93 Difference]: Finished difference Result 785 states and 916 transitions. [2020-08-22 18:14:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 18:14:32,729 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-08-22 18:14:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:32,732 INFO L225 Difference]: With dead ends: 785 [2020-08-22 18:14:32,732 INFO L226 Difference]: Without dead ends: 520 [2020-08-22 18:14:32,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-08-22 18:14:32,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-08-22 18:14:32,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 388. [2020-08-22 18:14:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-08-22 18:14:32,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 417 transitions. [2020-08-22 18:14:32,858 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 417 transitions. Word has length 212 [2020-08-22 18:14:32,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:32,859 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 417 transitions. [2020-08-22 18:14:32,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 18:14:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 417 transitions. [2020-08-22 18:14:32,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-08-22 18:14:32,862 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:32,862 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] [2020-08-22 18:14:32,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 18:14:32,863 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:32,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:32,863 INFO L82 PathProgramCache]: Analyzing trace with hash -967194783, now seen corresponding path program 1 times [2020-08-22 18:14:32,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:32,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693486457] [2020-08-22 18:14:32,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:32,866 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,132 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-08-22 18:14:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 18:14:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:14:33,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693486457] [2020-08-22 18:14:33,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:33,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 18:14:33,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372259958] [2020-08-22 18:14:33,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 18:14:33,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:33,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 18:14:33,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-08-22 18:14:33,390 INFO L87 Difference]: Start difference. First operand 388 states and 417 transitions. Second operand 14 states. [2020-08-22 18:14:33,975 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:34,237 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:14:34,485 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:34,740 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:34,979 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:36,013 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:36,263 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:36,523 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:36,798 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:37,049 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:38,352 INFO L93 Difference]: Finished difference Result 804 states and 947 transitions. [2020-08-22 18:14:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 18:14:38,354 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-08-22 18:14:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:38,358 INFO L225 Difference]: With dead ends: 804 [2020-08-22 18:14:38,359 INFO L226 Difference]: Without dead ends: 531 [2020-08-22 18:14:38,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 18:14:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-08-22 18:14:38,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 394. [2020-08-22 18:14:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-08-22 18:14:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 423 transitions. [2020-08-22 18:14:38,460 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 423 transitions. Word has length 212 [2020-08-22 18:14:38,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:38,461 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 423 transitions. [2020-08-22 18:14:38,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 18:14:38,462 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 423 transitions. [2020-08-22 18:14:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-08-22 18:14:38,465 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:38,465 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] [2020-08-22 18:14:38,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 18:14:38,465 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:38,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:38,466 INFO L82 PathProgramCache]: Analyzing trace with hash -276700642, now seen corresponding path program 1 times [2020-08-22 18:14:38,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:38,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760637387] [2020-08-22 18:14:38,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:38,469 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,761 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-08-22 18:14:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 18:14:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:14:38,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760637387] [2020-08-22 18:14:38,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:38,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 18:14:38,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755274085] [2020-08-22 18:14:38,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 18:14:38,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:38,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 18:14:38,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 18:14:38,961 INFO L87 Difference]: Start difference. First operand 394 states and 423 transitions. Second operand 8 states. [2020-08-22 18:14:39,509 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:40,121 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:42,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:42,560 INFO L93 Difference]: Finished difference Result 1135 states and 1370 transitions. [2020-08-22 18:14:42,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 18:14:42,561 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-08-22 18:14:42,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:42,567 INFO L225 Difference]: With dead ends: 1135 [2020-08-22 18:14:42,567 INFO L226 Difference]: Without dead ends: 856 [2020-08-22 18:14:42,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-08-22 18:14:42,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-08-22 18:14:42,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 649. [2020-08-22 18:14:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-08-22 18:14:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 715 transitions. [2020-08-22 18:14:42,761 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 715 transitions. Word has length 212 [2020-08-22 18:14:42,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:42,762 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 715 transitions. [2020-08-22 18:14:42,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 18:14:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 715 transitions. [2020-08-22 18:14:42,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 18:14:42,766 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:42,766 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] [2020-08-22 18:14:42,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 18:14:42,767 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:42,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:42,767 INFO L82 PathProgramCache]: Analyzing trace with hash -61438169, now seen corresponding path program 1 times [2020-08-22 18:14:42,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:42,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50424023] [2020-08-22 18:14:42,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:42,770 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,105 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:43,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:14:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:14:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-22 18:14:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 18:14:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 18:14:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:14:43,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50424023] [2020-08-22 18:14:43,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:43,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 18:14:43,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799460670] [2020-08-22 18:14:43,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 18:14:43,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:43,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 18:14:43,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-08-22 18:14:43,347 INFO L87 Difference]: Start difference. First operand 649 states and 715 transitions. Second operand 15 states. [2020-08-22 18:14:44,126 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-08-22 18:14:44,960 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:46,662 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-08-22 18:14:47,157 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 18:14:47,461 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:47,717 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:48,217 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-08-22 18:14:48,472 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:48,767 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:49,023 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:50,968 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:51,209 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:51,472 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:52,109 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-08-22 18:14:53,548 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 18:14:54,015 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-08-22 18:14:54,503 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-08-22 18:14:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:55,083 INFO L93 Difference]: Finished difference Result 2014 states and 2423 transitions. [2020-08-22 18:14:55,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-08-22 18:14:55,084 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-08-22 18:14:55,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:55,093 INFO L225 Difference]: With dead ends: 2014 [2020-08-22 18:14:55,093 INFO L226 Difference]: Without dead ends: 1587 [2020-08-22 18:14:55,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-08-22 18:14:55,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-08-22 18:14:55,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1146. [2020-08-22 18:14:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2020-08-22 18:14:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1253 transitions. [2020-08-22 18:14:55,509 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1253 transitions. Word has length 217 [2020-08-22 18:14:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:55,510 INFO L479 AbstractCegarLoop]: Abstraction has 1146 states and 1253 transitions. [2020-08-22 18:14:55,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 18:14:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1253 transitions. [2020-08-22 18:14:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-08-22 18:14:55,513 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:55,514 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:14:55,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 18:14:55,514 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:55,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:55,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1808104870, now seen corresponding path program 1 times [2020-08-22 18:14:55,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:55,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344981836] [2020-08-22 18:14:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:55,567 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:55,943 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:55,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:55,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:55,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:55,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:14:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:14:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:14:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:14:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:14:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:14:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:14:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-08-22 18:14:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:14:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:14:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-08-22 18:14:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-08-22 18:14:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:14:56,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344981836] [2020-08-22 18:14:56,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:56,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:14:56,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405152674] [2020-08-22 18:14:56,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:14:56,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:56,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:14:56,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:14:56,417 INFO L87 Difference]: Start difference. First operand 1146 states and 1253 transitions. Second operand 19 states. [2020-08-22 18:14:57,102 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:14:57,473 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:14:57,755 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-08-22 18:14:58,038 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:14:58,325 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 18:14:58,630 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:14:59,614 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:14:59,896 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:15:00,152 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:00,661 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 18:15:01,512 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:02,029 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:15:02,402 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-08-22 18:15:04,196 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:15:04,676 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:15:04,958 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 18:15:05,447 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 18:15:05,855 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:06,596 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:15:07,190 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 18:15:07,538 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-08-22 18:15:08,146 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-22 18:15:08,680 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-08-22 18:15:10,192 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-22 18:15:10,464 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:11,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:15:11,927 INFO L93 Difference]: Finished difference Result 2789 states and 3239 transitions. [2020-08-22 18:15:11,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-08-22 18:15:11,928 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 303 [2020-08-22 18:15:11,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:15:11,939 INFO L225 Difference]: With dead ends: 2789 [2020-08-22 18:15:11,940 INFO L226 Difference]: Without dead ends: 1860 [2020-08-22 18:15:11,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-08-22 18:15:11,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-08-22 18:15:12,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1377. [2020-08-22 18:15:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-08-22 18:15:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1512 transitions. [2020-08-22 18:15:12,439 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1512 transitions. Word has length 303 [2020-08-22 18:15:12,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:12,440 INFO L479 AbstractCegarLoop]: Abstraction has 1377 states and 1512 transitions. [2020-08-22 18:15:12,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:15:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1512 transitions. [2020-08-22 18:15:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-08-22 18:15:12,449 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:12,450 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:15:12,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 18:15:12,450 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:12,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:12,451 INFO L82 PathProgramCache]: Analyzing trace with hash -473333949, now seen corresponding path program 1 times [2020-08-22 18:15:12,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:12,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364754478] [2020-08-22 18:15:12,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:12,483 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,808 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:15:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:15:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:15:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:15:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:15:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:15:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:15:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:12,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:15:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:15:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:15:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-08-22 18:15:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-08-22 18:15:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:15:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2020-08-22 18:15:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2020-08-22 18:15:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-08-22 18:15:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-08-22 18:15:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-08-22 18:15:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:15:13,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364754478] [2020-08-22 18:15:13,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:15:13,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:15:13,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351204912] [2020-08-22 18:15:13,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:15:13,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:15:13,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:15:13,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:15:13,366 INFO L87 Difference]: Start difference. First operand 1377 states and 1512 transitions. Second operand 17 states. [2020-08-22 18:15:15,298 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:15:15,544 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:15,790 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:16,047 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:16,281 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:16,513 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:18,784 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:19,039 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:20,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:15:20,823 INFO L93 Difference]: Finished difference Result 4050 states and 4808 transitions. [2020-08-22 18:15:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-22 18:15:20,824 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 473 [2020-08-22 18:15:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:15:20,840 INFO L225 Difference]: With dead ends: 4050 [2020-08-22 18:15:20,840 INFO L226 Difference]: Without dead ends: 2593 [2020-08-22 18:15:20,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-08-22 18:15:20,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2020-08-22 18:15:21,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 1775. [2020-08-22 18:15:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-08-22 18:15:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1982 transitions. [2020-08-22 18:15:21,761 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1982 transitions. Word has length 473 [2020-08-22 18:15:21,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:21,762 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 1982 transitions. [2020-08-22 18:15:21,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:15:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1982 transitions. [2020-08-22 18:15:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2020-08-22 18:15:21,769 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:21,770 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:15:21,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 18:15:21,770 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:21,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:21,771 INFO L82 PathProgramCache]: Analyzing trace with hash 327340526, now seen corresponding path program 1 times [2020-08-22 18:15:21,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:21,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079078081] [2020-08-22 18:15:21,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:21,789 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,097 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:22,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:15:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:15:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:15:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:15:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:15:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:15:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:15:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:15:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:15:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:15:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:15:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-08-22 18:15:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-22 18:15:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:15:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-08-22 18:15:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-08-22 18:15:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-08-22 18:15:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-08-22 18:15:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-08-22 18:15:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-08-22 18:15:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:15:22,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079078081] [2020-08-22 18:15:22,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:15:22,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:15:22,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697878188] [2020-08-22 18:15:22,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:15:22,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:15:22,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:15:22,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:15:22,544 INFO L87 Difference]: Start difference. First operand 1775 states and 1982 transitions. Second operand 19 states. [2020-08-22 18:15:23,095 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:23,427 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:23,689 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:23,938 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:24,254 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:15:24,489 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:25,426 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:25,664 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:26,547 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:26,984 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:27,283 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:27,593 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:28,634 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:28,874 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:29,754 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:30,022 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:30,258 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:31,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:15:31,879 INFO L93 Difference]: Finished difference Result 3740 states and 4388 transitions. [2020-08-22 18:15:31,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-08-22 18:15:31,881 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 487 [2020-08-22 18:15:31,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:15:31,895 INFO L225 Difference]: With dead ends: 3740 [2020-08-22 18:15:31,895 INFO L226 Difference]: Without dead ends: 2218 [2020-08-22 18:15:31,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-08-22 18:15:31,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-08-22 18:15:32,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 1703. [2020-08-22 18:15:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-08-22 18:15:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1883 transitions. [2020-08-22 18:15:32,481 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1883 transitions. Word has length 487 [2020-08-22 18:15:32,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:32,482 INFO L479 AbstractCegarLoop]: Abstraction has 1703 states and 1883 transitions. [2020-08-22 18:15:32,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:15:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1883 transitions. [2020-08-22 18:15:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-08-22 18:15:32,489 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:32,489 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:15:32,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 18:15:32,490 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:32,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:32,490 INFO L82 PathProgramCache]: Analyzing trace with hash -463950692, now seen corresponding path program 1 times [2020-08-22 18:15:32,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:32,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628130320] [2020-08-22 18:15:32,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:32,507 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,817 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:32,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:15:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:15:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:15:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:15:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:15:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:15:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:15:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:15:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:15:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:15:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:15:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2020-08-22 18:15:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-08-22 18:15:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:15:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-08-22 18:15:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-08-22 18:15:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-08-22 18:15:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2020-08-22 18:15:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-08-22 18:15:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:15:33,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628130320] [2020-08-22 18:15:33,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:15:33,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:15:33,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246154282] [2020-08-22 18:15:33,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:15:33,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:15:33,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:15:33,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:15:33,578 INFO L87 Difference]: Start difference. First operand 1703 states and 1883 transitions. Second operand 17 states. [2020-08-22 18:15:34,096 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:35,099 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:15:38,489 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:38,756 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:39,031 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:39,299 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:39,561 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:39,820 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:40,060 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:40,326 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:40,589 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:40,858 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:41,126 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:41,388 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:41,874 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-08-22 18:15:42,138 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:42,605 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-08-22 18:15:42,979 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:43,284 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:15:43,575 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 18:15:45,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:15:45,439 INFO L93 Difference]: Finished difference Result 5515 states and 6515 transitions. [2020-08-22 18:15:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-08-22 18:15:45,440 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 484 [2020-08-22 18:15:45,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:15:45,464 INFO L225 Difference]: With dead ends: 5515 [2020-08-22 18:15:45,464 INFO L226 Difference]: Without dead ends: 3940 [2020-08-22 18:15:45,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-08-22 18:15:45,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2020-08-22 18:15:46,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3048. [2020-08-22 18:15:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3048 states. [2020-08-22 18:15:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 3339 transitions. [2020-08-22 18:15:46,748 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 3339 transitions. Word has length 484 [2020-08-22 18:15:46,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:46,748 INFO L479 AbstractCegarLoop]: Abstraction has 3048 states and 3339 transitions. [2020-08-22 18:15:46,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:15:46,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3339 transitions. [2020-08-22 18:15:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-08-22 18:15:46,758 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:46,759 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:15:46,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 18:15:46,759 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:46,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:46,760 INFO L82 PathProgramCache]: Analyzing trace with hash -339543744, now seen corresponding path program 1 times [2020-08-22 18:15:46,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:46,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159939479] [2020-08-22 18:15:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:46,780 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,068 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:47,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:15:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:15:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:15:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 18:15:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:15:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-08-22 18:15:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:15:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:15:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:15:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 18:15:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:15:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:15:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:15:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:15:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:15:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-08-22 18:15:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-08-22 18:15:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 18:15:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-08-22 18:15:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-08-22 18:15:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:15:47,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159939479] [2020-08-22 18:15:47,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:15:47,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-08-22 18:15:47,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643580123] [2020-08-22 18:15:47,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-22 18:15:47,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:15:47,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-22 18:15:47,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-08-22 18:15:47,802 INFO L87 Difference]: Start difference. First operand 3048 states and 3339 transitions. Second operand 23 states. [2020-08-22 18:15:48,362 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:48,715 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:48,972 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:49,230 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:49,483 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:15:49,724 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:50,673 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:55,330 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:55,616 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:55,927 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:56,195 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:56,462 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:56,730 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:56,984 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:57,255 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:57,517 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:57,827 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:58,120 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:58,415 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:59,027 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:15:59,553 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:16:00,045 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:16:02,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:02,945 INFO L93 Difference]: Finished difference Result 6688 states and 7753 transitions. [2020-08-22 18:16:02,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-08-22 18:16:02,946 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 489 [2020-08-22 18:16:02,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:02,967 INFO L225 Difference]: With dead ends: 6688 [2020-08-22 18:16:02,967 INFO L226 Difference]: Without dead ends: 4012 [2020-08-22 18:16:02,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1819 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-08-22 18:16:02,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4012 states. [2020-08-22 18:16:03,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4012 to 2843. [2020-08-22 18:16:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-08-22 18:16:03,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3111 transitions. [2020-08-22 18:16:03,969 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3111 transitions. Word has length 489 [2020-08-22 18:16:03,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:03,970 INFO L479 AbstractCegarLoop]: Abstraction has 2843 states and 3111 transitions. [2020-08-22 18:16:03,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-22 18:16:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3111 transitions. [2020-08-22 18:16:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-08-22 18:16:03,979 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:03,980 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:03,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 18:16:03,980 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:03,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:03,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1337240858, now seen corresponding path program 2 times [2020-08-22 18:16:03,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:03,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367872684] [2020-08-22 18:16:03,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:04,001 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,292 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:04,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:16:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:16:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:16:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:16:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:16:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:16:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:16:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-08-22 18:16:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:16:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:16:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:16:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-08-22 18:16:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-08-22 18:16:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 18:16:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-08-22 18:16:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-08-22 18:16:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:16:04,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367872684] [2020-08-22 18:16:04,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:04,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:16:04,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202933343] [2020-08-22 18:16:04,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:16:04,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:04,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:16:04,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:16:04,999 INFO L87 Difference]: Start difference. First operand 2843 states and 3111 transitions. Second operand 19 states. [2020-08-22 18:16:05,534 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:07,651 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:07,927 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:08,419 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:16:08,679 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:09,160 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 18:16:09,426 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:09,897 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:16:10,179 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:10,467 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:10,729 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:10,957 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:13,958 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:14,220 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:18,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:18,179 INFO L93 Difference]: Finished difference Result 6904 states and 8177 transitions. [2020-08-22 18:16:18,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-08-22 18:16:18,180 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 489 [2020-08-22 18:16:18,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:18,206 INFO L225 Difference]: With dead ends: 6904 [2020-08-22 18:16:18,206 INFO L226 Difference]: Without dead ends: 5212 [2020-08-22 18:16:18,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 139 SyntacticMatches, 6 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2031 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-08-22 18:16:18,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2020-08-22 18:16:20,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 3390. [2020-08-22 18:16:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states. [2020-08-22 18:16:20,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 3696 transitions. [2020-08-22 18:16:20,263 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 3696 transitions. Word has length 489 [2020-08-22 18:16:20,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:20,264 INFO L479 AbstractCegarLoop]: Abstraction has 3390 states and 3696 transitions. [2020-08-22 18:16:20,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:16:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 3696 transitions. [2020-08-22 18:16:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-08-22 18:16:20,272 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:20,273 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 18:16:20,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 18:16:20,273 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:20,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:20,274 INFO L82 PathProgramCache]: Analyzing trace with hash 896342264, now seen corresponding path program 1 times [2020-08-22 18:16:20,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:20,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658364095] [2020-08-22 18:16:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:20,286 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,587 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:16:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:16:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:16:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:16:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:16:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:16:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:16:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-08-22 18:16:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:16:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:16:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:16:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-08-22 18:16:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-08-22 18:16:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-08-22 18:16:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-08-22 18:16:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2020-08-22 18:16:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-08-22 18:16:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:16:21,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658364095] [2020-08-22 18:16:21,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:21,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:16:21,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718314423] [2020-08-22 18:16:21,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:16:21,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:21,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:16:21,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:16:21,289 INFO L87 Difference]: Start difference. First operand 3390 states and 3696 transitions. Second operand 19 states. [2020-08-22 18:16:21,818 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:23,440 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:24,823 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:25,258 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:26,022 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 18:16:26,410 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:27,201 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-08-22 18:16:27,592 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:28,289 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 18:16:28,804 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-08-22 18:16:29,326 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-08-22 18:16:29,797 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-08-22 18:16:30,030 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:32,595 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:32,854 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:33,871 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:34,915 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:35,187 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:35,665 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:16:35,905 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:36,390 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:16:36,637 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:37,105 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:16:37,393 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:16:37,700 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-08-22 18:16:37,983 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:16:43,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:43,452 INFO L93 Difference]: Finished difference Result 9142 states and 10911 transitions. [2020-08-22 18:16:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-08-22 18:16:43,452 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 504 [2020-08-22 18:16:43,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:43,490 INFO L225 Difference]: With dead ends: 9142 [2020-08-22 18:16:43,490 INFO L226 Difference]: Without dead ends: 7142 [2020-08-22 18:16:43,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 170 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5679 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-08-22 18:16:43,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7142 states. [2020-08-22 18:16:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 4153. [2020-08-22 18:16:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4153 states. [2020-08-22 18:16:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 4153 states and 4511 transitions. [2020-08-22 18:16:45,122 INFO L78 Accepts]: Start accepts. Automaton has 4153 states and 4511 transitions. Word has length 504 [2020-08-22 18:16:45,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:45,123 INFO L479 AbstractCegarLoop]: Abstraction has 4153 states and 4511 transitions. [2020-08-22 18:16:45,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:16:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 4153 states and 4511 transitions. [2020-08-22 18:16:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-08-22 18:16:45,136 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:45,136 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:45,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 18:16:45,136 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:45,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:45,137 INFO L82 PathProgramCache]: Analyzing trace with hash 604620519, now seen corresponding path program 1 times [2020-08-22 18:16:45,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:45,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380022009] [2020-08-22 18:16:45,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:45,150 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,455 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:45,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:16:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:16:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:16:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:16:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:16:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:16:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:16:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-08-22 18:16:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:16:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:16:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:16:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-08-22 18:16:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-08-22 18:16:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-08-22 18:16:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:16:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2020-08-22 18:16:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-08-22 18:16:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-08-22 18:16:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-08-22 18:16:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-08-22 18:16:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-08-22 18:16:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:16:45,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380022009] [2020-08-22 18:16:45,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:45,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 18:16:45,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338968238] [2020-08-22 18:16:45,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 18:16:45,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:45,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 18:16:45,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-08-22 18:16:45,982 INFO L87 Difference]: Start difference. First operand 4153 states and 4511 transitions. Second operand 18 states. [2020-08-22 18:16:46,528 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:47,360 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:48,371 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:49,208 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:49,553 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:50,040 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:16:50,300 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:50,775 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 18:16:51,040 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:51,514 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:16:57,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:57,907 INFO L93 Difference]: Finished difference Result 8573 states and 9936 transitions. [2020-08-22 18:16:57,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-08-22 18:16:57,907 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 595 [2020-08-22 18:16:57,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:57,934 INFO L225 Difference]: With dead ends: 8573 [2020-08-22 18:16:57,935 INFO L226 Difference]: Without dead ends: 5865 [2020-08-22 18:16:57,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 161 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1744 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1049, Invalid=4207, Unknown=0, NotChecked=0, Total=5256 [2020-08-22 18:16:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2020-08-22 18:16:59,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 3897. [2020-08-22 18:16:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2020-08-22 18:16:59,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 4192 transitions. [2020-08-22 18:16:59,572 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 4192 transitions. Word has length 595 [2020-08-22 18:16:59,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:59,572 INFO L479 AbstractCegarLoop]: Abstraction has 3897 states and 4192 transitions. [2020-08-22 18:16:59,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 18:16:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4192 transitions. [2020-08-22 18:16:59,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-08-22 18:16:59,582 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:59,582 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:59,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 18:16:59,583 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:59,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:59,583 INFO L82 PathProgramCache]: Analyzing trace with hash -281354309, now seen corresponding path program 2 times [2020-08-22 18:16:59,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:59,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223101583] [2020-08-22 18:16:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:59,597 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,914 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:59,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:16:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:16:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:59,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:17:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:17:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:17:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-08-22 18:17:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:17:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:17:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-08-22 18:17:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-08-22 18:17:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-08-22 18:17:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:17:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-08-22 18:17:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-08-22 18:17:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-08-22 18:17:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-08-22 18:17:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-08-22 18:17:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-08-22 18:17:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:17:00,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223101583] [2020-08-22 18:17:00,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:17:00,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 18:17:00,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821574383] [2020-08-22 18:17:00,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 18:17:00,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:17:00,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 18:17:00,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-08-22 18:17:00,483 INFO L87 Difference]: Start difference. First operand 3897 states and 4192 transitions. Second operand 15 states. [2020-08-22 18:17:00,989 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:01,658 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:02,506 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:05,662 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:09,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:09,839 INFO L93 Difference]: Finished difference Result 9336 states and 10830 transitions. [2020-08-22 18:17:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-08-22 18:17:09,842 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 606 [2020-08-22 18:17:09,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:09,871 INFO L225 Difference]: With dead ends: 9336 [2020-08-22 18:17:09,872 INFO L226 Difference]: Without dead ends: 6884 [2020-08-22 18:17:09,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2620 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1284, Invalid=6026, Unknown=0, NotChecked=0, Total=7310 [2020-08-22 18:17:09,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6884 states. [2020-08-22 18:17:11,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6884 to 4401. [2020-08-22 18:17:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4401 states. [2020-08-22 18:17:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4401 states and 4731 transitions. [2020-08-22 18:17:11,642 INFO L78 Accepts]: Start accepts. Automaton has 4401 states and 4731 transitions. Word has length 606 [2020-08-22 18:17:11,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:11,642 INFO L479 AbstractCegarLoop]: Abstraction has 4401 states and 4731 transitions. [2020-08-22 18:17:11,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 18:17:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4401 states and 4731 transitions. [2020-08-22 18:17:11,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-08-22 18:17:11,653 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:17:11,654 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:17:11,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 18:17:11,654 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:17:11,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:17:11,655 INFO L82 PathProgramCache]: Analyzing trace with hash -2069772295, now seen corresponding path program 1 times [2020-08-22 18:17:11,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:17:11,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424325091] [2020-08-22 18:17:11,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:17:11,667 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:17:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,051 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:17:12,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:17:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:17:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:17:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:17:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:17:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:17:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:17:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:17:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:17:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:17:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:17:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-08-22 18:17:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:17:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:17:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:17:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-08-22 18:17:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-08-22 18:17:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 18:17:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 18:17:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-08-22 18:17:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-08-22 18:17:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-08-22 18:17:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-08-22 18:17:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-08-22 18:17:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-08-22 18:17:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:17:12,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424325091] [2020-08-22 18:17:12,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:17:12,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:17:12,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110240653] [2020-08-22 18:17:12,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:17:12,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:17:12,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:17:12,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:17:12,524 INFO L87 Difference]: Start difference. First operand 4401 states and 4731 transitions. Second operand 17 states. [2020-08-22 18:17:13,085 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:13,919 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:14,853 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:15,627 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:15,878 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:16,167 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:16,414 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:16,684 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:16,939 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:17,177 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:21,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:21,942 INFO L93 Difference]: Finished difference Result 8629 states and 9794 transitions. [2020-08-22 18:17:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-08-22 18:17:21,943 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 606 [2020-08-22 18:17:21,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:21,947 INFO L225 Difference]: With dead ends: 8629 [2020-08-22 18:17:21,947 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 18:17:21,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 169 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=994, Invalid=3836, Unknown=0, NotChecked=0, Total=4830 [2020-08-22 18:17:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 18:17:21,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 18:17:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 18:17:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 18:17:21,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 606 [2020-08-22 18:17:21,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:21,971 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 18:17:21,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:17:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 18:17:21,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 18:17:21,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 18:17:21,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 18:17:22,569 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-08-22 18:17:22,847 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:17:23,175 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-08-22 18:17:23,533 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:17:24,032 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:17:24,416 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:17:25,044 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-08-22 18:17:25,288 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:17:25,520 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:17:25,901 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:17:26,105 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-22 18:17:26,305 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:17:26,602 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-22 18:17:27,532 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:17:27,748 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-08-22 18:17:28,402 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 18:17:29,451 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:17:29,658 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:17:30,008 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:17:40,633 WARN L193 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:17:45,368 WARN L193 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 1073 DAG size of output: 729 [2020-08-22 18:17:45,881 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-08-22 18:17:46,478 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-08-22 18:17:47,100 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-08-22 18:17:47,275 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 251 [2020-08-22 18:17:47,952 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-08-22 18:17:48,237 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-08-22 18:17:49,240 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:17:49,522 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-08-22 18:17:50,007 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:17:50,548 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2020-08-22 18:17:59,978 WARN L193 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 1299 DAG size of output: 895 [2020-08-22 18:18:02,987 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:18:03,488 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:18:16,713 WARN L193 SmtUtils]: Spent 12.32 s on a formula simplification. DAG size of input: 1558 DAG size of output: 1046 [2020-08-22 18:18:29,019 WARN L193 SmtUtils]: Spent 10.19 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:18:33,386 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:33,518 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:33,652 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:33,776 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:33,897 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:34,144 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:34,303 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:34,463 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:34,609 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:34,863 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:34,991 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:35,640 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:35,758 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:36,039 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-08-22 18:18:36,189 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-08-22 18:18:36,513 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-08-22 18:18:36,878 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-08-22 18:18:37,308 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2020-08-22 18:18:37,660 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2020-08-22 18:18:45,014 WARN L193 SmtUtils]: Spent 7.29 s on a formula simplification. DAG size of input: 1232 DAG size of output: 868 [2020-08-22 18:18:48,213 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-08-22 18:18:48,417 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 232 [2020-08-22 18:18:48,616 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-08-22 18:18:48,907 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 232 [2020-08-22 18:18:49,257 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:18:49,464 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-08-22 18:18:49,652 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:18:49,950 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-08-22 18:18:50,140 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:18:50,343 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-08-22 18:18:50,535 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:18:50,830 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-08-22 18:18:52,282 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:52,404 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:52,572 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:52,730 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:53,372 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:18:53,526 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:18:53,871 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:53,996 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:54,120 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:54,245 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:54,469 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:18:54,600 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:18:54,802 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:18:54,933 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:18:55,097 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:55,222 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:55,919 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:18:56,148 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:18:56,302 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:56,421 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:57,187 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:18:57,313 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:18:57,820 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-08-22 18:18:57,934 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-08-22 18:18:58,046 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-08-22 18:18:58,172 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:18:58,284 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-08-22 18:18:58,442 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:18:58,669 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:58,795 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:59,482 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:18:59,605 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:18:59,751 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:18:59,871 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:19:00,317 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:00,652 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:00,780 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:00,961 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:01,077 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 18:19:01,208 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 18:19:01,486 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:19:01,665 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:19:01,889 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:19:02,037 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:19:02,219 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:02,346 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:02,898 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:03,025 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:03,261 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:19:03,396 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:19:03,770 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:19:03,890 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:19:08,106 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 201 [2020-08-22 18:19:08,385 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-08-22 18:19:08,824 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-08-22 18:19:09,047 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2020-08-22 18:19:09,245 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 215 [2020-08-22 18:19:09,676 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 246 [2020-08-22 18:19:09,935 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 250 [2020-08-22 18:19:10,432 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 206 [2020-08-22 18:19:10,783 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 201 [2020-08-22 18:19:11,059 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-08-22 18:19:11,500 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-08-22 18:19:11,722 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2020-08-22 18:19:11,917 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 215 [2020-08-22 18:19:12,349 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 246 [2020-08-22 18:19:12,609 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 250 [2020-08-22 18:19:13,113 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 206 [2020-08-22 18:19:14,261 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:19:14,417 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-08-22 18:19:15,056 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 18:19:15,759 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:19:15,956 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:19:16,305 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:19:26,646 WARN L193 SmtUtils]: Spent 10.15 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:19:38,152 WARN L193 SmtUtils]: Spent 10.18 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:19:38,925 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 216 [2020-08-22 18:19:39,457 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 216 [2020-08-22 18:19:44,296 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 1073 DAG size of output: 729 [2020-08-22 18:19:49,257 WARN L193 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 965 DAG size of output: 699 [2020-08-22 18:19:53,825 WARN L193 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 1073 DAG size of output: 729 [2020-08-22 18:19:55,110 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-08-22 18:19:55,276 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-08-22 18:19:55,414 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-08-22 18:19:55,596 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-08-22 18:19:55,826 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-08-22 18:19:56,050 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2020-08-22 18:19:56,496 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-08-22 18:19:56,610 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 238 [2020-08-22 18:19:57,286 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:19:57,543 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-08-22 18:19:58,799 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-08-22 18:20:01,127 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:02,872 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:03,188 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:20:11,681 WARN L193 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 1299 DAG size of output: 895 [2020-08-22 18:20:19,701 WARN L193 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 1299 DAG size of output: 895 [2020-08-22 18:20:19,866 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-08-22 18:20:20,094 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:25,193 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1073 DAG size of output: 729 [2020-08-22 18:20:25,300 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 249 [2020-08-22 18:20:25,507 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-08-22 18:20:28,422 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-08-22 18:20:28,690 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-08-22 18:20:28,960 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-08-22 18:20:29,355 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-08-22 18:20:33,781 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-08-22 18:20:33,964 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 249 [2020-08-22 18:20:34,337 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 245 [2020-08-22 18:20:34,809 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 251 [2020-08-22 18:20:35,759 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-08-22 18:20:36,018 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-08-22 18:20:36,487 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-08-22 18:20:49,995 WARN L193 SmtUtils]: Spent 10.15 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:20:54,775 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 1073 DAG size of output: 729 [2020-08-22 18:20:59,583 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 1073 DAG size of output: 729 [2020-08-22 18:21:00,508 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:21:10,810 WARN L193 SmtUtils]: Spent 10.18 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:21:20,939 WARN L193 SmtUtils]: Spent 10.12 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:21:31,549 WARN L193 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:21:33,044 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:21:33,178 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:21:33,312 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:21:33,448 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:21:33,568 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:21:33,771 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:33,895 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:34,026 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:34,158 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:34,317 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:21:34,469 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:21:34,628 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:21:34,774 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:21:35,050 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:21:35,174 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:21:35,306 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:35,431 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:35,754 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:35,939 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:36,558 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:21:36,679 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:21:41,936 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:42,101 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-08-22 18:21:42,597 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-08-22 18:21:42,764 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:43,177 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 18:21:43,510 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-08-22 18:21:44,008 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:44,130 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:44,261 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:44,395 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:44,599 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:44,722 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-08-22 18:21:44,921 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:45,077 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-08-22 18:21:56,047 WARN L193 SmtUtils]: Spent 7.93 s on a formula simplification. DAG size of input: 1299 DAG size of output: 895 [2020-08-22 18:22:06,872 WARN L193 SmtUtils]: Spent 10.14 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-08-22 18:22:09,005 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-08-22 18:22:09,175 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 251 [2020-08-22 18:22:09,781 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-08-22 18:22:10,061 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-08-22 18:22:11,049 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:22:11,328 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-08-22 18:22:11,801 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-08-22 18:22:14,444 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 300 DAG size of output: 43 [2020-08-22 18:22:14,860 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:22:15,573 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 1 [2020-08-22 18:22:16,590 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 39 [2020-08-22 18:22:19,567 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 278 DAG size of output: 39 [2020-08-22 18:22:19,760 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-08-22 18:22:21,655 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 455 DAG size of output: 1 [2020-08-22 18:22:43,764 WARN L193 SmtUtils]: Spent 22.10 s on a formula simplification. DAG size of input: 860 DAG size of output: 52 [2020-08-22 18:22:53,043 WARN L193 SmtUtils]: Spent 9.27 s on a formula simplification. DAG size of input: 556 DAG size of output: 51 [2020-08-22 18:22:56,260 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 278 DAG size of output: 47 [2020-08-22 18:22:57,667 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-08-22 18:22:58,204 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-08-22 18:23:03,209 WARN L193 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 500 DAG size of output: 43 [2020-08-22 18:23:05,650 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 256 DAG size of output: 37 [2020-08-22 18:23:07,447 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 225 DAG size of output: 38 [2020-08-22 18:23:07,628 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-08-22 18:23:24,853 WARN L193 SmtUtils]: Spent 17.21 s on a formula simplification. DAG size of input: 753 DAG size of output: 52 [2020-08-22 18:23:25,533 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 37 [2020-08-22 18:23:26,141 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-08-22 18:23:26,303 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-08-22 18:23:27,648 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 239 DAG size of output: 49 [2020-08-22 18:23:28,427 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 46 [2020-08-22 18:23:29,171 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 1 [2020-08-22 18:23:31,123 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 252 DAG size of output: 71 [2020-08-22 18:23:32,584 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 240 DAG size of output: 21 [2020-08-22 18:23:55,873 WARN L193 SmtUtils]: Spent 23.28 s on a formula simplification. DAG size of input: 859 DAG size of output: 47 [2020-08-22 18:23:56,015 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-08-22 18:23:57,854 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 287 DAG size of output: 65 [2020-08-22 18:24:00,610 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 268 DAG size of output: 39 [2020-08-22 18:24:01,794 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 167 DAG size of output: 29 [2020-08-22 18:24:02,653 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-08-22 18:24:24,920 WARN L193 SmtUtils]: Spent 22.23 s on a formula simplification. DAG size of input: 860 DAG size of output: 52 [2020-08-22 18:24:26,629 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 292 DAG size of output: 51 [2020-08-22 18:24:26,847 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-22 18:24:27,267 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:24:28,249 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 31 [2020-08-22 18:24:29,378 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 255 DAG size of output: 39 [2020-08-22 18:24:32,955 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 285 DAG size of output: 48 [2020-08-22 18:24:35,267 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 249 DAG size of output: 32 [2020-08-22 18:24:35,685 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:24:37,956 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 221 DAG size of output: 41 [2020-08-22 18:24:39,491 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 329 DAG size of output: 37 [2020-08-22 18:24:41,990 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 344 DAG size of output: 42 [2020-08-22 18:24:44,305 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 252 DAG size of output: 35 [2020-08-22 18:25:03,312 WARN L193 SmtUtils]: Spent 18.99 s on a formula simplification. DAG size of input: 746 DAG size of output: 51 [2020-08-22 18:25:03,460 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-08-22 18:25:04,953 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 231 DAG size of output: 52 [2020-08-22 18:25:05,112 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-08-22 18:25:08,449 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 283 DAG size of output: 47 [2020-08-22 18:25:09,503 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 263 DAG size of output: 31 [2020-08-22 18:25:12,620 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 281 DAG size of output: 41 [2020-08-22 18:25:15,736 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 281 DAG size of output: 41 [2020-08-22 18:25:17,212 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 239 DAG size of output: 49 [2020-08-22 18:25:17,416 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-08-22 18:25:17,615 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-08-22 18:25:17,820 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-08-22 18:25:21,687 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 438 DAG size of output: 35 [2020-08-22 18:25:25,768 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 451 DAG size of output: 43 [2020-08-22 18:25:27,070 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 286 DAG size of output: 50 [2020-08-22 18:25:28,980 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 287 DAG size of output: 65 [2020-08-22 18:25:30,951 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 247 DAG size of output: 1 [2020-08-22 18:25:33,164 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 243 DAG size of output: 41 [2020-08-22 18:25:34,103 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 35 [2020-08-22 18:25:35,825 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 242 DAG size of output: 31 [2020-08-22 18:25:38,026 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 243 DAG size of output: 41 [2020-08-22 18:25:41,535 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 414 DAG size of output: 48 [2020-08-22 18:25:45,063 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 414 DAG size of output: 48 [2020-08-22 18:25:45,233 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-08-22 18:25:45,417 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-08-22 18:25:45,577 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-08-22 18:25:47,525 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 455 DAG size of output: 1 [2020-08-22 18:25:48,560 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 250 DAG size of output: 39 [2020-08-22 18:26:11,086 WARN L193 SmtUtils]: Spent 22.50 s on a formula simplification. DAG size of input: 860 DAG size of output: 52 [2020-08-22 18:26:13,458 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 247 DAG size of output: 25 [2020-08-22 18:26:15,385 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 250 DAG size of output: 46 [2020-08-22 18:26:38,161 WARN L193 SmtUtils]: Spent 22.77 s on a formula simplification. DAG size of input: 860 DAG size of output: 52 [2020-08-22 18:26:38,586 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:26:38,763 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2020-08-22 18:26:41,247 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 250 DAG size of output: 29 [2020-08-22 18:26:50,979 WARN L193 SmtUtils]: Spent 9.71 s on a formula simplification. DAG size of input: 556 DAG size of output: 51 [2020-08-22 18:27:02,350 WARN L193 SmtUtils]: Spent 11.36 s on a formula simplification. DAG size of input: 555 DAG size of output: 48 [2020-08-22 18:27:12,029 WARN L193 SmtUtils]: Spent 9.66 s on a formula simplification. DAG size of input: 556 DAG size of output: 51 [2020-08-22 18:27:15,620 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 285 DAG size of output: 48 [2020-08-22 18:27:17,326 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 282 DAG size of output: 46 [2020-08-22 18:27:17,546 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-08-22 18:27:18,911 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 225 DAG size of output: 44 [2020-08-22 18:27:19,682 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 1 [2020-08-22 18:27:20,022 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2020-08-22 18:27:21,228 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 167 DAG size of output: 29 [2020-08-22 18:27:24,507 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 278 DAG size of output: 47 [2020-08-22 18:27:24,664 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1