/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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:56:04,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:56:04,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:56:04,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:56:04,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:56:04,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:56:04,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:56:04,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:56:04,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:56:04,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:56:04,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:56:04,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:56:04,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:56:04,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:56:04,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:56:04,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:56:04,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:56:04,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:56:04,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:56:04,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:56:04,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:56:04,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:56:04,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:56:04,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:56:04,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:56:04,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:56:04,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:56:04,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:56:04,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:56:04,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:56:04,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:56:04,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:56:04,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:56:04,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:56:04,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:56:04,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:56:04,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:56:04,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:56:04,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:56:04,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:56:04,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:56:04,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 12:56:04,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:56:04,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:56:04,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:56:04,824 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:56:04,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:56:04,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:56:04,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:56:04,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:56:04,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:56:04,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:56:04,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:56:04,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:56:04,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:56:04,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:56:04,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:56:04,829 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:56:04,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:56:04,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:56:04,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:56:04,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:56:04,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:56:04,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:56:04,831 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:56:05,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:56:05,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:56:05,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:56:05,142 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:56:05,143 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:56:05,144 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-07 12:56:05,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cab0601/e1a9ebc18ec747eaac8dbe8a0767aeb8/FLAG304f4afa9 [2020-07-07 12:56:05,793 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:56:05,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-07 12:56:05,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cab0601/e1a9ebc18ec747eaac8dbe8a0767aeb8/FLAG304f4afa9 [2020-07-07 12:56:06,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cab0601/e1a9ebc18ec747eaac8dbe8a0767aeb8 [2020-07-07 12:56:06,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:56:06,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:56:06,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:56:06,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:56:06,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:56:06,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef26602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06, skipping insertion in model container [2020-07-07 12:56:06,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:56:06,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:56:06,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:56:06,569 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:56:06,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:56:06,703 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:56:06,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06 WrapperNode [2020-07-07 12:56:06,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:56:06,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:56:06,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:56:06,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:56:06,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (1/1) ... [2020-07-07 12:56:06,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:56:06,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:56:06,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:56:06,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:56:06,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (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 [2020-07-07 12:56:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:56:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:56:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:56:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:56:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:56:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:56:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:56:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:56:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:56:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:56:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 12:56:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:56:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:56:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:56:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:56:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:56:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:56:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:56:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:56:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:56:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:56:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:56:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:56:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:56:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:56:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:56:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:56:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:56:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:56:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:56:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:56:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 12:56:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:56:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:56:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:56:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:56:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:56:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:56:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 12:56:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:56:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:56:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:56:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:56:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:56:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:56:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:56:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:56:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:56:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:56:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:56:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:56:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:56:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:56:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:56:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 12:56:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:56:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:56:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:56:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:56:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:56:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:56:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:56:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:56:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:56:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:56:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:56:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:56:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:56:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:56:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:56:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:56:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:56:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:56:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:56:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:56:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:56:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:56:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:56:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:56:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:56:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:56:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:56:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:56:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:56:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:56:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:56:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:56:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:56:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:56:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:56:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:56:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:56:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:56:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:56:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:56:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 12:56:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 12:56:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:56:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:56:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:56:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:56:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:56:08,020 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:56:08,020 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:56:08,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:56:08 BoogieIcfgContainer [2020-07-07 12:56:08,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:56:08,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:56:08,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:56:08,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:56:08,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:56:06" (1/3) ... [2020-07-07 12:56:08,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2088a58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:56:08, skipping insertion in model container [2020-07-07 12:56:08,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:56:06" (2/3) ... [2020-07-07 12:56:08,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2088a58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:56:08, skipping insertion in model container [2020-07-07 12:56:08,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:56:08" (3/3) ... [2020-07-07 12:56:08,036 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-07-07 12:56:08,048 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:56:08,057 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:56:08,073 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:56:08,097 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:56:08,098 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:56:08,098 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:56:08,098 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:56:08,098 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:56:08,099 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:56:08,099 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:56:08,099 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:56:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states. [2020-07-07 12:56:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:56:08,150 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:08,151 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] [2020-07-07 12:56:08,151 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:08,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:08,160 INFO L82 PathProgramCache]: Analyzing trace with hash 797820518, now seen corresponding path program 1 times [2020-07-07 12:56:08,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:08,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671052396] [2020-07-07 12:56:08,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:08,950 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:56:09,135 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:09,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671052396] [2020-07-07 12:56:09,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:09,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:56:09,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291125891] [2020-07-07 12:56:09,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:56:09,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:09,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:56:09,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:56:09,173 INFO L87 Difference]: Start difference. First operand 351 states. Second operand 4 states. [2020-07-07 12:56:10,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:10,640 INFO L93 Difference]: Finished difference Result 563 states and 653 transitions. [2020-07-07 12:56:10,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 12:56:10,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-07 12:56:10,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:10,660 INFO L225 Difference]: With dead ends: 563 [2020-07-07 12:56:10,660 INFO L226 Difference]: Without dead ends: 348 [2020-07-07 12:56:10,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:56:10,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-07 12:56:10,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 300. [2020-07-07 12:56:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-07-07 12:56:10,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 325 transitions. [2020-07-07 12:56:10,825 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 325 transitions. Word has length 160 [2020-07-07 12:56:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:10,827 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 325 transitions. [2020-07-07 12:56:10,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:56:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 325 transitions. [2020-07-07 12:56:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 12:56:10,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:10,833 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] [2020-07-07 12:56:10,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:56:10,833 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:10,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:10,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1390258068, now seen corresponding path program 1 times [2020-07-07 12:56:10,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:10,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773173895] [2020-07-07 12:56:10,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,292 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:56:11,380 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:11,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773173895] [2020-07-07 12:56:11,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:11,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 12:56:11,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910081405] [2020-07-07 12:56:11,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 12:56:11,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:11,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 12:56:11,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:56:11,383 INFO L87 Difference]: Start difference. First operand 300 states and 325 transitions. Second operand 5 states. [2020-07-07 12:56:12,066 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:13,362 INFO L93 Difference]: Finished difference Result 488 states and 545 transitions. [2020-07-07 12:56:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 12:56:13,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-07 12:56:13,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:13,369 INFO L225 Difference]: With dead ends: 488 [2020-07-07 12:56:13,369 INFO L226 Difference]: Without dead ends: 337 [2020-07-07 12:56:13,372 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 [2020-07-07 12:56:13,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-07-07 12:56:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 290. [2020-07-07 12:56:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-07 12:56:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 312 transitions. [2020-07-07 12:56:13,444 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 312 transitions. Word has length 161 [2020-07-07 12:56:13,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:13,444 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 312 transitions. [2020-07-07 12:56:13,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 12:56:13,445 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 312 transitions. [2020-07-07 12:56:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-07 12:56:13,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:13,447 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] [2020-07-07 12:56:13,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:56:13,448 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:13,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:13,448 INFO L82 PathProgramCache]: Analyzing trace with hash -678353695, now seen corresponding path program 1 times [2020-07-07 12:56:13,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:13,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693105381] [2020-07-07 12:56:13,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,832 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:56:14,012 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:14,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693105381] [2020-07-07 12:56:14,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:14,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:56:14,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844010132] [2020-07-07 12:56:14,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:56:14,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:14,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:56:14,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:56:14,016 INFO L87 Difference]: Start difference. First operand 290 states and 312 transitions. Second operand 11 states. [2020-07-07 12:56:14,720 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:56:15,121 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:56:15,413 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:56:15,712 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:16,013 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:56:16,291 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:18,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:18,328 INFO L93 Difference]: Finished difference Result 535 states and 610 transitions. [2020-07-07 12:56:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:56:18,328 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-07 12:56:18,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:18,339 INFO L225 Difference]: With dead ends: 535 [2020-07-07 12:56:18,339 INFO L226 Difference]: Without dead ends: 360 [2020-07-07 12:56:18,344 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 [2020-07-07 12:56:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-07-07 12:56:18,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 290. [2020-07-07 12:56:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-07 12:56:18,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 311 transitions. [2020-07-07 12:56:18,437 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 311 transitions. Word has length 174 [2020-07-07 12:56:18,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:18,438 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 311 transitions. [2020-07-07 12:56:18,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:56:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 311 transitions. [2020-07-07 12:56:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-07 12:56:18,441 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:18,441 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] [2020-07-07 12:56:18,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:56:18,441 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:18,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:18,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1021606715, now seen corresponding path program 1 times [2020-07-07 12:56:18,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:18,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698181037] [2020-07-07 12:56:18,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,766 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:56:19,037 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:19,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698181037] [2020-07-07 12:56:19,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:19,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:56:19,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328875536] [2020-07-07 12:56:19,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:56:19,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:19,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:56:19,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:56:19,042 INFO L87 Difference]: Start difference. First operand 290 states and 311 transitions. Second operand 8 states. [2020-07-07 12:56:19,809 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:56:21,961 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:22,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:22,815 INFO L93 Difference]: Finished difference Result 724 states and 855 transitions. [2020-07-07 12:56:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:56:22,815 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-07-07 12:56:22,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:22,821 INFO L225 Difference]: With dead ends: 724 [2020-07-07 12:56:22,821 INFO L226 Difference]: Without dead ends: 549 [2020-07-07 12:56:22,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:56:22,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-07-07 12:56:22,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 411. [2020-07-07 12:56:22,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-07-07 12:56:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 444 transitions. [2020-07-07 12:56:22,955 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 444 transitions. Word has length 187 [2020-07-07 12:56:22,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:22,956 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 444 transitions. [2020-07-07 12:56:22,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:56:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 444 transitions. [2020-07-07 12:56:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-07-07 12:56:22,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:22,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:56:22,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:56:22,959 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:22,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:22,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1622480709, now seen corresponding path program 1 times [2020-07-07 12:56:22,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:22,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923741356] [2020-07-07 12:56:22,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,321 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 12:56:23,531 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:23,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923741356] [2020-07-07 12:56:23,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:23,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:56:23,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701776738] [2020-07-07 12:56:23,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:56:23,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:23,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:56:23,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:56:23,534 INFO L87 Difference]: Start difference. First operand 411 states and 444 transitions. Second operand 11 states. [2020-07-07 12:56:24,099 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:56:25,033 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:25,331 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:56:26,598 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:56:26,877 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:27,211 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:27,796 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:28,082 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:56:28,391 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:29,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:29,082 INFO L93 Difference]: Finished difference Result 844 states and 984 transitions. [2020-07-07 12:56:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 12:56:29,082 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-07-07 12:56:29,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:29,089 INFO L225 Difference]: With dead ends: 844 [2020-07-07 12:56:29,090 INFO L226 Difference]: Without dead ends: 548 [2020-07-07 12:56:29,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-07-07 12:56:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-07 12:56:29,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-07-07 12:56:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-07-07 12:56:29,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 441 transitions. [2020-07-07 12:56:29,273 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 441 transitions. Word has length 211 [2020-07-07 12:56:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:29,275 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 441 transitions. [2020-07-07 12:56:29,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:56:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 441 transitions. [2020-07-07 12:56:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-07 12:56:29,279 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:29,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:56:29,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:56:29,281 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:29,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:29,281 INFO L82 PathProgramCache]: Analyzing trace with hash 258575659, now seen corresponding path program 1 times [2020-07-07 12:56:29,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:29,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087691394] [2020-07-07 12:56:29,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,602 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:56:29,807 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:29,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087691394] [2020-07-07 12:56:29,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:29,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:56:29,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100286890] [2020-07-07 12:56:29,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:56:29,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:29,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:56:29,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:56:29,810 INFO L87 Difference]: Start difference. First operand 410 states and 441 transitions. Second operand 11 states. [2020-07-07 12:56:31,257 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:31,543 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:56:31,843 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:56:32,134 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:32,455 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:56:32,725 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:34,102 INFO L93 Difference]: Finished difference Result 847 states and 993 transitions. [2020-07-07 12:56:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:56:34,103 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-07-07 12:56:34,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:34,109 INFO L225 Difference]: With dead ends: 847 [2020-07-07 12:56:34,110 INFO L226 Difference]: Without dead ends: 552 [2020-07-07 12:56:34,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:56:34,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-07-07 12:56:34,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2020-07-07 12:56:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-07-07 12:56:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 449 transitions. [2020-07-07 12:56:34,291 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 449 transitions. Word has length 234 [2020-07-07 12:56:34,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:34,293 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 449 transitions. [2020-07-07 12:56:34,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:56:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 449 transitions. [2020-07-07 12:56:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-07 12:56:34,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:34,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:56:34,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:56:34,298 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:34,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:34,299 INFO L82 PathProgramCache]: Analyzing trace with hash 926322059, now seen corresponding path program 1 times [2020-07-07 12:56:34,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:34,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097862406] [2020-07-07 12:56:34,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,626 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:56:34,925 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:34,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097862406] [2020-07-07 12:56:34,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:34,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:56:34,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407156288] [2020-07-07 12:56:34,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:56:34,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:34,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:56:34,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:56:34,931 INFO L87 Difference]: Start difference. First operand 418 states and 449 transitions. Second operand 14 states. [2020-07-07 12:56:35,552 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:35,847 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:56:36,133 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:36,416 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:56:36,687 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:37,765 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:38,053 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:56:38,359 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:38,659 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:56:38,936 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:40,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:40,769 INFO L93 Difference]: Finished difference Result 864 states and 1011 transitions. [2020-07-07 12:56:40,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 12:56:40,769 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2020-07-07 12:56:40,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:40,775 INFO L225 Difference]: With dead ends: 864 [2020-07-07 12:56:40,776 INFO L226 Difference]: Without dead ends: 561 [2020-07-07 12:56:40,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-07 12:56:40,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-07-07 12:56:40,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 424. [2020-07-07 12:56:40,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-07 12:56:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 455 transitions. [2020-07-07 12:56:40,905 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 455 transitions. Word has length 234 [2020-07-07 12:56:40,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:40,906 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 455 transitions. [2020-07-07 12:56:40,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:56:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 455 transitions. [2020-07-07 12:56:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-07 12:56:40,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:40,910 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:56:40,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:56:40,910 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:40,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:40,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1653427336, now seen corresponding path program 1 times [2020-07-07 12:56:40,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:40,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906324245] [2020-07-07 12:56:40,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,227 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:56:41,476 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:41,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906324245] [2020-07-07 12:56:41,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:41,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:56:41,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474136256] [2020-07-07 12:56:41,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:56:41,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:41,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:56:41,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:56:41,479 INFO L87 Difference]: Start difference. First operand 424 states and 455 transitions. Second operand 8 states. [2020-07-07 12:56:42,040 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:56:42,663 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:56:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:45,664 INFO L93 Difference]: Finished difference Result 1195 states and 1434 transitions. [2020-07-07 12:56:45,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 12:56:45,665 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-07-07 12:56:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:45,671 INFO L225 Difference]: With dead ends: 1195 [2020-07-07 12:56:45,671 INFO L226 Difference]: Without dead ends: 886 [2020-07-07 12:56:45,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-07-07 12:56:45,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-07-07 12:56:45,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 679. [2020-07-07 12:56:45,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-07-07 12:56:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 747 transitions. [2020-07-07 12:56:45,872 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 747 transitions. Word has length 234 [2020-07-07 12:56:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:45,873 INFO L479 AbstractCegarLoop]: Abstraction has 679 states and 747 transitions. [2020-07-07 12:56:45,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:56:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 747 transitions. [2020-07-07 12:56:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-07 12:56:45,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:45,877 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:56:45,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:56:45,877 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:45,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:45,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1392423546, now seen corresponding path program 1 times [2020-07-07 12:56:45,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:45,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87808330] [2020-07-07 12:56:45,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,285 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:56:46,594 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:46,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87808330] [2020-07-07 12:56:46,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:46,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:56:46,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201287111] [2020-07-07 12:56:46,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:56:46,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:46,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:56:46,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:56:46,597 INFO L87 Difference]: Start difference. First operand 679 states and 747 transitions. Second operand 15 states. [2020-07-07 12:56:47,399 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:56:48,240 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:56:49,976 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 12:56:50,504 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:56:50,845 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:51,131 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:56:51,661 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 12:56:51,968 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:52,298 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:56:52,577 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:54,817 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:56:55,078 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:55,356 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:55,986 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:56:57,613 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:56:58,129 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:56:58,695 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:56:59,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:59,515 INFO L93 Difference]: Finished difference Result 2110 states and 2526 transitions. [2020-07-07 12:56:59,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-07 12:56:59,516 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-07-07 12:56:59,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:59,525 INFO L225 Difference]: With dead ends: 2110 [2020-07-07 12:56:59,525 INFO L226 Difference]: Without dead ends: 1653 [2020-07-07 12:56:59,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-07-07 12:56:59,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2020-07-07 12:57:00,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1212. [2020-07-07 12:57:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-07-07 12:57:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1324 transitions. [2020-07-07 12:57:00,222 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1324 transitions. Word has length 239 [2020-07-07 12:57:00,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:57:00,224 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1324 transitions. [2020-07-07 12:57:00,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:57:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1324 transitions. [2020-07-07 12:57:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-07-07 12:57:00,231 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:57:00,232 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:57:00,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:57:00,233 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:57:00,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:57:00,233 INFO L82 PathProgramCache]: Analyzing trace with hash 2041397131, now seen corresponding path program 1 times [2020-07-07 12:57:00,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:57:00,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823557902] [2020-07-07 12:57:00,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:57:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,608 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:57:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:57:01,226 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:57:01,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823557902] [2020-07-07 12:57:01,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:57:01,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:57:01,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676127907] [2020-07-07 12:57:01,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:57:01,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:57:01,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:57:01,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:57:01,231 INFO L87 Difference]: Start difference. First operand 1212 states and 1324 transitions. Second operand 19 states. [2020-07-07 12:57:01,968 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:57:02,382 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:57:02,681 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-07 12:57:02,982 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:57:03,275 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:57:03,577 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:57:04,578 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:57:04,927 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:57:05,212 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:57:05,771 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 12:57:06,852 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:57:07,208 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-07 12:57:08,139 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:57:09,120 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:57:10,061 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:57:10,617 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:57:11,144 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:57:11,571 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:12,425 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:57:13,032 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:57:13,390 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:57:14,072 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:57:14,686 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:57:16,252 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-07 12:57:16,550 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:57:18,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:57:18,098 INFO L93 Difference]: Finished difference Result 2921 states and 3381 transitions. [2020-07-07 12:57:18,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-07 12:57:18,104 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 330 [2020-07-07 12:57:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:57:18,115 INFO L225 Difference]: With dead ends: 2921 [2020-07-07 12:57:18,116 INFO L226 Difference]: Without dead ends: 1926 [2020-07-07 12:57:18,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1907 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-07-07 12:57:18,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2020-07-07 12:57:18,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1443. [2020-07-07 12:57:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1443 states. [2020-07-07 12:57:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1583 transitions. [2020-07-07 12:57:18,688 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1583 transitions. Word has length 330 [2020-07-07 12:57:18,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:57:18,689 INFO L479 AbstractCegarLoop]: Abstraction has 1443 states and 1583 transitions. [2020-07-07 12:57:18,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:57:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1583 transitions. [2020-07-07 12:57:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-07-07 12:57:18,696 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:57:18,697 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:57:18,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 12:57:18,697 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:57:18,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:57:18,697 INFO L82 PathProgramCache]: Analyzing trace with hash -534426062, now seen corresponding path program 1 times [2020-07-07 12:57:18,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:57:18,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750402946] [2020-07-07 12:57:18,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:57:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,102 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:57:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:57:20,228 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:57:20,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750402946] [2020-07-07 12:57:20,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:57:20,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:57:20,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126964278] [2020-07-07 12:57:20,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:57:20,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:57:20,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:57:20,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:57:20,234 INFO L87 Difference]: Start difference. First operand 1443 states and 1583 transitions. Second operand 17 states. [2020-07-07 12:57:22,403 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:57:22,693 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:57:23,002 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:23,302 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:57:23,582 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:23,856 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:57:26,190 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:26,498 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:57:28,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:57:28,632 INFO L93 Difference]: Finished difference Result 4230 states and 5000 transitions. [2020-07-07 12:57:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 12:57:28,638 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 531 [2020-07-07 12:57:28,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:57:28,653 INFO L225 Difference]: With dead ends: 4230 [2020-07-07 12:57:28,653 INFO L226 Difference]: Without dead ends: 2707 [2020-07-07 12:57:28,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 125 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-07-07 12:57:28,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2020-07-07 12:57:29,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 1865. [2020-07-07 12:57:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1865 states. [2020-07-07 12:57:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2078 transitions. [2020-07-07 12:57:29,548 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2078 transitions. Word has length 531 [2020-07-07 12:57:29,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:57:29,549 INFO L479 AbstractCegarLoop]: Abstraction has 1865 states and 2078 transitions. [2020-07-07 12:57:29,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:57:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2078 transitions. [2020-07-07 12:57:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2020-07-07 12:57:29,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:57:29,557 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, 2, 2, 2, 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] [2020-07-07 12:57:29,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 12:57:29,558 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:57:29,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:57:29,558 INFO L82 PathProgramCache]: Analyzing trace with hash -193447125, now seen corresponding path program 1 times [2020-07-07 12:57:29,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:57:29,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866225561] [2020-07-07 12:57:29,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:57:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:29,990 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:57:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:57:30,496 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:57:30,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866225561] [2020-07-07 12:57:30,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:57:30,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:57:30,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967546152] [2020-07-07 12:57:30,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:57:30,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:57:30,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:57:30,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:57:30,498 INFO L87 Difference]: Start difference. First operand 1865 states and 2078 transitions. Second operand 19 states. [2020-07-07 12:57:31,090 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:57:31,485 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:57:31,775 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:57:32,070 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:32,430 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:57:32,703 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:33,754 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:57:34,038 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:57:35,246 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:57:35,622 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:57:35,997 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:57:36,531 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:57:37,695 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:57:37,971 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:57:39,006 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:57:39,310 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:57:39,582 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:57:41,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:57:41,153 INFO L93 Difference]: Finished difference Result 3920 states and 4580 transitions. [2020-07-07 12:57:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-07 12:57:41,153 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 541 [2020-07-07 12:57:41,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:57:41,168 INFO L225 Difference]: With dead ends: 3920 [2020-07-07 12:57:41,168 INFO L226 Difference]: Without dead ends: 2308 [2020-07-07 12:57:41,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 12:57:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2020-07-07 12:57:41,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 1793. [2020-07-07 12:57:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1793 states. [2020-07-07 12:57:41,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 1979 transitions. [2020-07-07 12:57:41,829 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 1979 transitions. Word has length 541 [2020-07-07 12:57:41,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:57:41,830 INFO L479 AbstractCegarLoop]: Abstraction has 1793 states and 1979 transitions. [2020-07-07 12:57:41,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:57:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 1979 transitions. [2020-07-07 12:57:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-07-07 12:57:41,838 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:57:41,839 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, 2, 2, 2, 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] [2020-07-07 12:57:41,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 12:57:41,839 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:57:41,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:57:41,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1594060712, now seen corresponding path program 1 times [2020-07-07 12:57:41,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:57:41,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94584441] [2020-07-07 12:57:41,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:57:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,284 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:57:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:57:42,713 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:57:42,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94584441] [2020-07-07 12:57:42,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:57:42,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 12:57:42,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620078236] [2020-07-07 12:57:42,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 12:57:42,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:57:42,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 12:57:42,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-07-07 12:57:42,715 INFO L87 Difference]: Start difference. First operand 1793 states and 1979 transitions. Second operand 13 states. [2020-07-07 12:57:45,363 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:57:45,628 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:45,896 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:57:46,167 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:57:46,448 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:46,704 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:57:47,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:57:47,703 INFO L93 Difference]: Finished difference Result 3822 states and 4424 transitions. [2020-07-07 12:57:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:57:47,704 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 538 [2020-07-07 12:57:47,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:57:47,717 INFO L225 Difference]: With dead ends: 3822 [2020-07-07 12:57:47,717 INFO L226 Difference]: Without dead ends: 2282 [2020-07-07 12:57:47,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-07-07 12:57:47,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-07-07 12:57:48,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1817. [2020-07-07 12:57:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1817 states. [2020-07-07 12:57:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2003 transitions. [2020-07-07 12:57:48,461 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2003 transitions. Word has length 538 [2020-07-07 12:57:48,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:57:48,462 INFO L479 AbstractCegarLoop]: Abstraction has 1817 states and 2003 transitions. [2020-07-07 12:57:48,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 12:57:48,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2003 transitions. [2020-07-07 12:57:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2020-07-07 12:57:48,469 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:57:48,469 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, 2, 2, 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] [2020-07-07 12:57:48,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 12:57:48,470 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:57:48,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:57:48,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1226583404, now seen corresponding path program 1 times [2020-07-07 12:57:48,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:57:48,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308365284] [2020-07-07 12:57:48,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:57:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,830 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:57:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:57:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:57:49,563 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:57:49,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308365284] [2020-07-07 12:57:49,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:57:49,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:57:49,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586345493] [2020-07-07 12:57:49,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:57:49,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:57:49,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:57:49,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:57:49,566 INFO L87 Difference]: Start difference. First operand 1817 states and 2003 transitions. Second operand 18 states. [2020-07-07 12:57:50,112 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:57:52,131 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:52,429 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:57:52,988 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:57:53,272 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:57:53,795 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:57:54,074 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:57:54,633 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:57:54,926 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:55,241 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:57:55,521 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:55,788 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:57:57,638 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:57:57,944 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:00,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:00,755 INFO L93 Difference]: Finished difference Result 4098 states and 4814 transitions. [2020-07-07 12:58:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-07 12:58:00,759 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 542 [2020-07-07 12:58:00,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:00,775 INFO L225 Difference]: With dead ends: 4098 [2020-07-07 12:58:00,775 INFO L226 Difference]: Without dead ends: 3029 [2020-07-07 12:58:00,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 138 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=755, Invalid=3277, Unknown=0, NotChecked=0, Total=4032 [2020-07-07 12:58:00,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2020-07-07 12:58:01,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2220. [2020-07-07 12:58:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2220 states. [2020-07-07 12:58:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 2438 transitions. [2020-07-07 12:58:01,650 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 2438 transitions. Word has length 542 [2020-07-07 12:58:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:01,651 INFO L479 AbstractCegarLoop]: Abstraction has 2220 states and 2438 transitions. [2020-07-07 12:58:01,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:58:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 2438 transitions. [2020-07-07 12:58:01,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-07-07 12:58:01,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:01,659 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, 4, 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, 2, 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] [2020-07-07 12:58:01,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 12:58:01,660 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:01,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:01,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1229463039, now seen corresponding path program 1 times [2020-07-07 12:58:01,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:01,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030917430] [2020-07-07 12:58:01,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,022 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:58:02,900 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:02,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030917430] [2020-07-07 12:58:02,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:02,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:58:02,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008162771] [2020-07-07 12:58:02,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:58:02,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:02,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:58:02,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:58:02,902 INFO L87 Difference]: Start difference. First operand 2220 states and 2438 transitions. Second operand 18 states. [2020-07-07 12:58:03,459 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:05,145 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:06,034 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:06,347 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:06,928 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:58:07,224 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:07,781 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:58:08,072 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:08,598 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:58:09,157 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:58:09,760 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-07 12:58:10,299 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:58:10,569 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:13,650 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:14,144 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:16,173 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:17,643 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:17,965 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:18,531 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:58:18,801 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:19,388 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:58:19,670 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:58:20,197 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:58:20,503 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:58:20,830 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 12:58:21,125 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:58:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:25,230 INFO L93 Difference]: Finished difference Result 5478 states and 6488 transitions. [2020-07-07 12:58:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2020-07-07 12:58:25,231 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 553 [2020-07-07 12:58:25,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:25,251 INFO L225 Difference]: With dead ends: 5478 [2020-07-07 12:58:25,251 INFO L226 Difference]: Without dead ends: 4177 [2020-07-07 12:58:25,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 157 SyntacticMatches, 6 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3273 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=1592, Invalid=7720, Unknown=0, NotChecked=0, Total=9312 [2020-07-07 12:58:25,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4177 states. [2020-07-07 12:58:26,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4177 to 2779. [2020-07-07 12:58:26,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2020-07-07 12:58:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3046 transitions. [2020-07-07 12:58:26,291 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3046 transitions. Word has length 553 [2020-07-07 12:58:26,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:26,292 INFO L479 AbstractCegarLoop]: Abstraction has 2779 states and 3046 transitions. [2020-07-07 12:58:26,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:58:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3046 transitions. [2020-07-07 12:58:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2020-07-07 12:58:26,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:26,303 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, 5, 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, 2, 2, 2, 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] [2020-07-07 12:58:26,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 12:58:26,303 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:26,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:26,304 INFO L82 PathProgramCache]: Analyzing trace with hash 551208705, now seen corresponding path program 1 times [2020-07-07 12:58:26,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:26,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081494674] [2020-07-07 12:58:26,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,703 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:58:27,585 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:27,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081494674] [2020-07-07 12:58:27,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:27,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:58:27,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795694998] [2020-07-07 12:58:27,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:58:27,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:27,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:58:27,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:58:27,589 INFO L87 Difference]: Start difference. First operand 2779 states and 3046 transitions. Second operand 19 states. [2020-07-07 12:58:28,143 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:29,096 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:30,161 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:31,010 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:31,316 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:31,884 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:58:32,182 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:32,717 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:58:33,011 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:33,529 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:58:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:37,394 INFO L93 Difference]: Finished difference Result 5325 states and 6138 transitions. [2020-07-07 12:58:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-07 12:58:37,395 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 645 [2020-07-07 12:58:37,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:37,411 INFO L225 Difference]: With dead ends: 5325 [2020-07-07 12:58:37,412 INFO L226 Difference]: Without dead ends: 3493 [2020-07-07 12:58:37,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 164 SyntacticMatches, 9 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=709, Invalid=2597, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 12:58:37,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3493 states. [2020-07-07 12:58:38,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3493 to 2609. [2020-07-07 12:58:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2609 states. [2020-07-07 12:58:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 2829 transitions. [2020-07-07 12:58:38,405 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 2829 transitions. Word has length 645 [2020-07-07 12:58:38,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:38,405 INFO L479 AbstractCegarLoop]: Abstraction has 2609 states and 2829 transitions. [2020-07-07 12:58:38,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:58:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 2829 transitions. [2020-07-07 12:58:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-07-07 12:58:38,414 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:38,414 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, 5, 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, 2, 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] [2020-07-07 12:58:38,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 12:58:38,415 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:38,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:38,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1507476049, now seen corresponding path program 1 times [2020-07-07 12:58:38,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:38,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393204753] [2020-07-07 12:58:38,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,789 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:58:39,716 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:39,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393204753] [2020-07-07 12:58:39,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:39,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-07-07 12:58:39,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014376167] [2020-07-07 12:58:39,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-07 12:58:39,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:39,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-07 12:58:39,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2020-07-07 12:58:39,718 INFO L87 Difference]: Start difference. First operand 2609 states and 2829 transitions. Second operand 25 states. [2020-07-07 12:58:40,389 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:42,840 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:58:43,938 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:44,273 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:58:44,901 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:58:45,467 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:58:46,061 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:58:46,627 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:58:47,196 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:58:47,782 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-07 12:58:48,420 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-07-07 12:58:48,985 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-07 12:58:49,617 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-07-07 12:58:52,133 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-07 12:58:52,959 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 12:58:53,546 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 195 [2020-07-07 12:58:54,198 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-07-07 12:58:54,797 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-07-07 12:58:56,132 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:58:56,724 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-07-07 12:58:57,414 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-07 12:58:58,010 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-07-07 12:58:58,558 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-07 12:58:59,710 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:58:59,978 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:00,441 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:59:00,768 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:59:01,097 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:01,403 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:59:01,714 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:59:02,037 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-07-07 12:59:02,334 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:02,657 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:59:02,984 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:59:03,296 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:59:03,588 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:59:04,843 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:05,382 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:59:05,686 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:06,250 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-07 12:59:06,811 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:59:07,395 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-07-07 12:59:07,685 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:59:08,252 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:59:08,555 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:09,169 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2020-07-07 12:59:09,701 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:59:10,268 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-07-07 12:59:10,594 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:59:10,950 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 12:59:11,270 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:59:14,951 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-07 12:59:15,582 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-07-07 12:59:18,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:59:18,915 INFO L93 Difference]: Finished difference Result 6444 states and 7361 transitions. [2020-07-07 12:59:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2020-07-07 12:59:18,916 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 655 [2020-07-07 12:59:18,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:59:18,940 INFO L225 Difference]: With dead ends: 6444 [2020-07-07 12:59:18,940 INFO L226 Difference]: Without dead ends: 4160 [2020-07-07 12:59:18,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 179 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6336 ImplicationChecksByTransitivity, 26.2s TimeCoverageRelationStatistics Valid=2724, Invalid=14568, Unknown=0, NotChecked=0, Total=17292 [2020-07-07 12:59:18,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4160 states. [2020-07-07 12:59:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4160 to 2796. [2020-07-07 12:59:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2020-07-07 12:59:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3018 transitions. [2020-07-07 12:59:20,018 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3018 transitions. Word has length 655 [2020-07-07 12:59:20,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:59:20,019 INFO L479 AbstractCegarLoop]: Abstraction has 2796 states and 3018 transitions. [2020-07-07 12:59:20,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-07 12:59:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3018 transitions. [2020-07-07 12:59:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2020-07-07 12:59:20,028 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:59:20,028 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, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:59:20,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-07 12:59:20,029 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:59:20,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:59:20,030 INFO L82 PathProgramCache]: Analyzing trace with hash 218975718, now seen corresponding path program 2 times [2020-07-07 12:59:20,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:59:20,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469321116] [2020-07-07 12:59:20,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:59:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,504 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:59:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:59:21,816 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:59:21,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469321116] [2020-07-07 12:59:21,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:59:21,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:59:21,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951382260] [2020-07-07 12:59:21,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:59:21,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:59:21,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:59:21,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:59:21,818 INFO L87 Difference]: Start difference. First operand 2796 states and 3018 transitions. Second operand 19 states. [2020-07-07 12:59:22,459 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:23,496 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:24,524 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:25,452 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:25,760 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:26,392 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:59:26,713 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:27,331 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:59:27,649 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:28,238 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:59:30,949 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:31,691 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:32,025 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:32,631 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:59:33,252 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:59:33,803 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:59:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:59:37,424 INFO L93 Difference]: Finished difference Result 6133 states and 7017 transitions. [2020-07-07 12:59:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-07 12:59:37,425 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 660 [2020-07-07 12:59:37,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:59:37,441 INFO L225 Difference]: With dead ends: 6133 [2020-07-07 12:59:37,441 INFO L226 Difference]: Without dead ends: 4294 [2020-07-07 12:59:37,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 181 SyntacticMatches, 8 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1998 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=1292, Invalid=4870, Unknown=0, NotChecked=0, Total=6162 [2020-07-07 12:59:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2020-07-07 12:59:38,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 3037. [2020-07-07 12:59:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3037 states. [2020-07-07 12:59:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 3280 transitions. [2020-07-07 12:59:38,559 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 3280 transitions. Word has length 660 [2020-07-07 12:59:38,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:59:38,559 INFO L479 AbstractCegarLoop]: Abstraction has 3037 states and 3280 transitions. [2020-07-07 12:59:38,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:59:38,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3280 transitions. [2020-07-07 12:59:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2020-07-07 12:59:38,567 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:59:38,567 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1] [2020-07-07 12:59:38,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-07 12:59:38,568 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:59:38,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:59:38,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1654059893, now seen corresponding path program 1 times [2020-07-07 12:59:38,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:59:38,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286521131] [2020-07-07 12:59:38,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:59:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:38,987 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:59:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:59:39,607 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:59:39,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286521131] [2020-07-07 12:59:39,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:59:39,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 12:59:39,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603507897] [2020-07-07 12:59:39,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 12:59:39,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:59:39,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 12:59:39,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-07-07 12:59:39,610 INFO L87 Difference]: Start difference. First operand 3037 states and 3280 transitions. Second operand 13 states. [2020-07-07 12:59:40,214 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:42,680 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:44,616 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-07 12:59:46,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:59:46,359 INFO L93 Difference]: Finished difference Result 5820 states and 6557 transitions. [2020-07-07 12:59:46,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-07 12:59:46,360 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 761 [2020-07-07 12:59:46,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:59:46,375 INFO L225 Difference]: With dead ends: 5820 [2020-07-07 12:59:46,376 INFO L226 Difference]: Without dead ends: 3778 [2020-07-07 12:59:46,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 183 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=360, Invalid=1362, Unknown=0, NotChecked=0, Total=1722 [2020-07-07 12:59:46,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2020-07-07 12:59:47,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 2999. [2020-07-07 12:59:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2999 states. [2020-07-07 12:59:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2999 states and 3224 transitions. [2020-07-07 12:59:47,465 INFO L78 Accepts]: Start accepts. Automaton has 2999 states and 3224 transitions. Word has length 761 [2020-07-07 12:59:47,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:59:47,465 INFO L479 AbstractCegarLoop]: Abstraction has 2999 states and 3224 transitions. [2020-07-07 12:59:47,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 12:59:47,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 3224 transitions. [2020-07-07 12:59:47,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2020-07-07 12:59:47,473 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:59:47,473 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:59:47,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-07 12:59:47,473 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:59:47,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:59:47,474 INFO L82 PathProgramCache]: Analyzing trace with hash 431658232, now seen corresponding path program 2 times [2020-07-07 12:59:47,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:59:47,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103753626] [2020-07-07 12:59:47,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:59:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,903 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:59:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:59:48,922 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:59:48,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103753626] [2020-07-07 12:59:48,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:59:48,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-07-07 12:59:48,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453730096] [2020-07-07 12:59:48,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 12:59:48,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:59:48,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 12:59:48,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-07 12:59:48,924 INFO L87 Difference]: Start difference. First operand 2999 states and 3224 transitions. Second operand 20 states. [2020-07-07 12:59:49,884 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:59:50,848 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:54,067 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:54,697 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:59:55,292 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-07-07 12:59:56,788 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:57,213 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:59:57,571 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:59:57,974 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:58,320 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:59:58,634 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:59,973 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 13:00:01,336 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-07-07 13:00:02,030 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 205 [2020-07-07 13:00:02,661 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-07-07 13:00:03,324 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-07-07 13:00:03,924 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-07-07 13:00:06,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:00:06,644 INFO L93 Difference]: Finished difference Result 4889 states and 5451 transitions. [2020-07-07 13:00:06,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-07-07 13:00:06,645 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 762 [2020-07-07 13:00:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:00:06,647 INFO L225 Difference]: With dead ends: 4889 [2020-07-07 13:00:06,648 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 13:00:06,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 195 SyntacticMatches, 4 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2142 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1248, Invalid=5558, Unknown=0, NotChecked=0, Total=6806 [2020-07-07 13:00:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 13:00:06,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 13:00:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 13:00:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 13:00:06,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 762 [2020-07-07 13:00:06,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:00:06,659 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 13:00:06,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 13:00:06,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 13:00:06,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 13:00:06,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-07 13:00:06,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 13:00:06,856 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-07-07 13:00:07,134 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-07-07 13:00:07,793 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:00:08,230 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 230 [2020-07-07 13:00:09,920 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-07-07 13:00:10,234 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-07-07 13:00:11,262 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-07 13:00:12,099 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:00:12,488 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-07 13:00:19,438 WARN L193 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-07 13:00:19,732 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 258 [2020-07-07 13:00:20,779 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 227 [2020-07-07 13:00:21,043 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 223 [2020-07-07 13:00:21,248 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-07-07 13:00:21,661 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-07-07 13:00:21,810 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-07-07 13:00:22,041 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-07-07 13:00:22,828 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 246 [2020-07-07 13:00:23,222 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:00:29,414 WARN L193 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-07 13:00:35,288 WARN L193 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-07 13:00:35,619 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2020-07-07 13:00:35,938 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 209 [2020-07-07 13:00:36,637 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-07-07 13:00:36,934 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-07-07 13:00:37,165 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-07-07 13:00:40,286 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2020-07-07 13:00:40,610 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 209 [2020-07-07 13:00:41,248 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-07-07 13:00:41,673 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-07-07 13:00:42,864 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-07-07 13:00:43,490 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 241 [2020-07-07 13:00:44,200 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-07-07 13:00:44,493 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:00:46,157 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 244 [2020-07-07 13:00:49,295 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 800 DAG size of output: 657 [2020-07-07 13:00:51,516 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 255 [2020-07-07 13:00:51,625 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 255 [2020-07-07 13:00:52,329 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 255 [2020-07-07 13:00:58,127 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 696 DAG size of output: 579 [2020-07-07 13:01:01,166 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 800 DAG size of output: 657 [2020-07-07 13:01:06,685 WARN L193 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-07 13:01:07,094 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:07,286 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:07,496 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:07,746 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:07,943 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:08,143 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-07 13:01:08,272 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-07 13:01:09,426 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-07 13:01:09,558 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-07 13:01:09,977 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-07 13:01:10,172 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-07 13:01:10,381 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:10,536 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:10,889 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:11,044 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:11,464 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:11,624 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:11,966 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-07 13:01:12,165 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-07 13:01:14,345 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:01:14,890 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:15,049 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:15,343 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:15,476 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-07 13:01:15,607 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-07 13:01:15,804 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:15,957 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:01:16,872 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-07 13:01:17,008 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-07 13:01:22,968 WARN L193 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-07 13:01:27,652 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 800 DAG size of output: 657 [2020-07-07 13:01:27,831 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:01:29,989 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 255 [2020-07-07 13:01:30,734 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:01:32,581 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-07-07 13:01:40,169 WARN L193 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-07 13:01:40,295 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-07-07 13:01:40,675 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 13:01:43,771 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 800 DAG size of output: 657 [2020-07-07 13:01:47,243 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 800 DAG size of output: 657 [2020-07-07 13:01:52,879 WARN L193 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 975 DAG size of output: 810 [2020-07-07 13:01:58,872 WARN L193 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 975 DAG size of output: 810 [2020-07-07 13:01:59,009 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:02:05,341 WARN L193 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 975 DAG size of output: 810 [2020-07-07 13:02:06,337 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:02:07,450 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:02:07,759 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 257 [2020-07-07 13:02:08,173 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 217 [2020-07-07 13:02:09,337 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-07 13:02:10,134 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:02:10,507 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-07 13:02:11,603 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 255 [2020-07-07 13:02:11,899 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 261 [2020-07-07 13:02:12,192 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-07-07 13:02:12,502 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-07-07 13:02:19,817 WARN L193 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-07 13:02:25,585 WARN L193 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-07 13:02:27,209 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-07 13:02:27,398 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:02:27,558 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:02:27,842 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:02:27,971 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-07 13:02:28,102 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-07 13:02:28,310 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:02:28,462 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:02:29,371 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-07 13:02:29,501 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-07 13:02:31,728 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-07-07 13:02:31,863 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-07-07 13:02:32,530 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-07 13:02:32,786 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:02:33,198 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-07 13:02:40,343 WARN L193 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-07 13:02:43,735 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 800 DAG size of output: 657 [2020-07-07 13:02:48,524 WARN L193 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-07 13:02:54,390 WARN L193 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 975 DAG size of output: 810 [2020-07-07 13:03:02,643 WARN L193 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 1006 DAG size of output: 857 [2020-07-07 13:03:03,118 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-07-07 13:03:04,092 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 254 [2020-07-07 13:03:04,609 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-07-07 13:03:04,951 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-07-07 13:03:05,303 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:03:05,456 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:03:05,737 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:03:05,869 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-07 13:03:06,001 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-07 13:03:06,201 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:03:06,353 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-07 13:03:07,245 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-07 13:03:07,378 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-07 13:03:08,060 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 246 [2020-07-07 13:03:08,849 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 258 [2020-07-07 13:03:09,893 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 227 [2020-07-07 13:03:10,401 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-07-07 13:03:10,722 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-07-07 13:03:13,167 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 245 DAG size of output: 31 [2020-07-07 13:03:13,382 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-07-07 13:03:14,178 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 19 [2020-07-07 13:03:14,427 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 13:03:14,926 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2020-07-07 13:03:15,190 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 13:03:15,370 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 13:03:16,952 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 261 DAG size of output: 31 [2020-07-07 13:03:18,078 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 256 DAG size of output: 31 [2020-07-07 13:03:18,311 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-07 13:03:18,744 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 17 [2020-07-07 13:03:19,886 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 367 DAG size of output: 1 [2020-07-07 13:03:20,139 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-07 13:03:20,391 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-07 13:03:21,720 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 244 DAG size of output: 33 [2020-07-07 13:03:35,882 WARN L193 SmtUtils]: Spent 14.15 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-07 13:03:38,644 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 409 DAG size of output: 40 [2020-07-07 13:03:39,766 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 234 DAG size of output: 27 [2020-07-07 13:03:40,106 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-07-07 13:03:40,786 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 23 [2020-07-07 13:03:41,251 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-07 13:03:57,287 WARN L193 SmtUtils]: Spent 16.02 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-07 13:03:57,443 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 21 [2020-07-07 13:04:13,350 WARN L193 SmtUtils]: Spent 15.89 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-07 13:04:13,876 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:04:16,780 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 334 DAG size of output: 44 [2020-07-07 13:04:18,908 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 221 DAG size of output: 36 [2020-07-07 13:04:19,167 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-07 13:04:20,291 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 249 DAG size of output: 31 [2020-07-07 13:04:20,560 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-07 13:04:20,864 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 13:04:22,130 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-07-07 13:04:23,944 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 234 DAG size of output: 34 [2020-07-07 13:04:25,588 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 237 DAG size of output: 40 [2020-07-07 13:04:28,489 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 334 DAG size of output: 44 [2020-07-07 13:04:28,715 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-07 13:04:30,521 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 234 DAG size of output: 34 [2020-07-07 13:04:30,966 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-07 13:04:31,436 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-07 13:04:32,127 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 31 [2020-07-07 13:04:33,408 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 213 DAG size of output: 56 [2020-07-07 13:04:34,616 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 231 DAG size of output: 55 [2020-07-07 13:04:35,331 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 14 [2020-07-07 13:04:35,847 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 25 [2020-07-07 13:04:36,556 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 17 [2020-07-07 13:04:46,012 WARN L193 SmtUtils]: Spent 9.45 s on a formula simplification. DAG size of input: 539 DAG size of output: 40 [2020-07-07 13:04:47,012 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-07-07 13:04:47,277 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 13:04:48,222 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 35 [2020-07-07 13:04:48,496 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-07 13:04:49,185 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 27 [2020-07-07 13:04:49,843 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 17 [2020-07-07 13:04:50,383 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:04:50,953 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 25 [2020-07-07 13:04:52,376 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 232 DAG size of output: 32 [2020-07-07 13:04:53,520 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 269 DAG size of output: 31 [2020-07-07 13:04:55,406 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 261 DAG size of output: 36 [2020-07-07 13:04:55,607 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-07 13:04:56,947 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 245 DAG size of output: 38 [2020-07-07 13:04:57,148 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-07 13:05:06,480 WARN L193 SmtUtils]: Spent 9.33 s on a formula simplification. DAG size of input: 479 DAG size of output: 40 [2020-07-07 13:05:06,912 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 13 [2020-07-07 13:05:16,349 WARN L193 SmtUtils]: Spent 9.43 s on a formula simplification. DAG size of input: 539 DAG size of output: 40 [2020-07-07 13:05:16,582 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 30 [2020-07-07 13:05:17,247 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 27 [2020-07-07 13:05:18,003 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 37 [2020-07-07 13:05:32,182 WARN L193 SmtUtils]: Spent 14.15 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-07 13:05:34,459 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 337 DAG size of output: 40 [2020-07-07 13:05:34,729 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 13:05:34,921 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 13:05:37,437 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 358 DAG size of output: 46 [2020-07-07 13:05:38,643 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 231 DAG size of output: 55 [2020-07-07 13:05:39,705 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 218 DAG size of output: 43 [2020-07-07 13:05:39,911 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-07 13:05:40,394 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-07 13:05:42,703 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 336 DAG size of output: 41 [2020-07-07 13:05:43,480 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 37 [2020-07-07 13:05:44,202 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2020-07-07 13:05:58,485 WARN L193 SmtUtils]: Spent 14.28 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-07 13:05:59,710 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 222 DAG size of output: 36 [2020-07-07 13:06:00,944 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 222 DAG size of output: 36 [2020-07-07 13:06:01,406 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 17 [2020-07-07 13:06:02,600 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 219 DAG size of output: 33 [2020-07-07 13:06:12,046 WARN L193 SmtUtils]: Spent 9.43 s on a formula simplification. DAG size of input: 539 DAG size of output: 40 [2020-07-07 13:06:12,557 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-07 13:06:12,826 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-07 13:06:13,076 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-07 13:06:13,347 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-07 13:06:13,617 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-07-07 13:06:13,886 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-07-07 13:06:15,156 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 225 DAG size of output: 37 [2020-07-07 13:06:15,404 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-07 13:06:16,369 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 32 [2020-07-07 13:06:16,619 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-07 13:06:16,872 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-07 13:06:18,810 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 261 DAG size of output: 36 [2020-07-07 13:06:19,335 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-07 13:06:20,030 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 19 [2020-07-07 13:06:20,306 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-07 13:06:20,576 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-07 13:06:21,059 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-07 13:06:22,873 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 228 DAG size of output: 35 [2020-07-07 13:06:24,501 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 261 DAG size of output: 31 [2020-07-07 13:06:26,265 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 228 DAG size of output: 38 [2020-07-07 13:06:42,514 WARN L193 SmtUtils]: Spent 16.24 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-07 13:06:43,575 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 242 DAG size of output: 32 [2020-07-07 13:06:44,526 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 38 [2020-07-07 13:06:54,221 WARN L193 SmtUtils]: Spent 9.69 s on a formula simplification. DAG size of input: 539 DAG size of output: 40 [2020-07-07 13:06:54,427 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-07 13:07:03,946 WARN L193 SmtUtils]: Spent 9.48 s on a formula simplification. DAG size of input: 539 DAG size of output: 40 [2020-07-07 13:07:20,137 WARN L193 SmtUtils]: Spent 16.18 s on a formula simplification. DAG size of input: 685 DAG size of output: 41 [2020-07-07 13:07:20,806 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 15 [2020-07-07 13:07:37,113 WARN L193 SmtUtils]: Spent 16.29 s on a formula simplification. DAG size of input: 685 DAG size of output: 41 [2020-07-07 13:07:37,674 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:07:38,168 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-07 13:07:38,859 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 15 [2020-07-07 13:07:54,919 WARN L193 SmtUtils]: Spent 16.05 s on a formula simplification. DAG size of input: 685 DAG size of output: 41 [2020-07-07 13:07:55,109 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 13:07:55,718 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-07-07 13:07:56,387 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 21 [2020-07-07 13:07:58,056 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 245 DAG size of output: 31 [2020-07-07 13:07:58,467 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 17 [2020-07-07 13:07:58,639 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 13:07:59,046 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 17 [2020-07-07 13:08:00,753 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 254 DAG size of output: 29 [2020-07-07 13:08:00,923 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 13:08:02,260 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 280 DAG size of output: 20 [2020-07-07 13:08:03,243 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 29 [2020-07-07 13:08:04,861 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-07-07 13:08:05,011 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 21 [2020-07-07 13:08:06,072 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 367 DAG size of output: 1 [2020-07-07 13:08:06,347 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-07 13:08:07,424 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 274 DAG size of output: 29 [2020-07-07 13:08:08,539 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 258 DAG size of output: 33 [2020-07-07 13:08:09,549 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 256 DAG size of output: 32 [2020-07-07 13:08:10,554 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 32 [2020-07-07 13:08:12,107 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 228 DAG size of output: 38 [2020-07-07 13:08:12,725 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 17 [2020-07-07 13:08:14,677 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 221 DAG size of output: 36 [2020-07-07 13:08:14,857 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-07 13:08:28,171 WARN L193 SmtUtils]: Spent 13.28 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-07 13:08:28,709 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:08:45,137 WARN L193 SmtUtils]: Spent 16.41 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-07 13:08:45,328 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-07-07 13:08:45,882 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:08:47,092 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 222 DAG size of output: 36 [2020-07-07 13:08:47,377 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-07 13:08:47,633 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 13:08:47,818 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-07-07 13:08:48,261 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-07 13:08:50,080 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 254 DAG size of output: 29 [2020-07-07 13:08:52,356 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 336 DAG size of output: 41 [2020-07-07 13:08:53,572 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-07-07 13:08:54,572 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 35 [2020-07-07 13:08:56,442 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 252 DAG size of output: 37 [2020-07-07 13:08:56,721 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-07 13:08:58,945 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 342 DAG size of output: 33 [2020-07-07 13:08:59,224 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-07-07 13:09:00,512 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 213 DAG size of output: 56 [2020-07-07 13:09:01,567 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 232 DAG size of output: 32 [2020-07-07 13:09:02,723 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-07 13:09:03,716 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 36