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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:41:44,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:41:44,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:41:44,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:41:44,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:41:44,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:41:44,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:41:44,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:41:44,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:41:44,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:41:44,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:41:44,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:41:44,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:41:44,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:41:44,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:41:44,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:41:44,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:41:44,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:41:44,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:41:44,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:41:44,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:41:44,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:41:44,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:41:44,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:41:44,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:41:44,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:41:44,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:41:44,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:41:44,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:41:44,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:41:44,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:41:44,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:41:44,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:41:44,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:41:44,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:41:44,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:41:44,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:41:44,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:41:44,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:41:44,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:41:44,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:41:44,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:41:44,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:41:44,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:41:44,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:41:44,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:41:44,867 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:41:44,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:41:44,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:41:44,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:41:44,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:41:44,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:41:44,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:41:44,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:41:44,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:41:44,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:41:44,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:41:44,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:41:44,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:41:44,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:41:44,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:41:44,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:41:44,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:41:44,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:41:44,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:41:44,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:41:44,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:41:44,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:41:44,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:41:44,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:41:44,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:41:45,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:41:45,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:41:45,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:41:45,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:41:45,168 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:41:45,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2019-10-14 23:41:45,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ad542d1/ad7caa1e0c8e4333ba2395d0b8733781/FLAGbae2c149e [2019-10-14 23:41:45,811 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:41:45,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2019-10-14 23:41:45,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ad542d1/ad7caa1e0c8e4333ba2395d0b8733781/FLAGbae2c149e [2019-10-14 23:41:46,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ad542d1/ad7caa1e0c8e4333ba2395d0b8733781 [2019-10-14 23:41:46,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:41:46,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:41:46,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:41:46,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:41:46,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:41:46,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b178505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46, skipping insertion in model container [2019-10-14 23:41:46,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,064 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:41:46,117 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:41:46,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:41:46,609 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:41:46,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:41:46,748 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:41:46,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46 WrapperNode [2019-10-14 23:41:46,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:41:46,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:41:46,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:41:46,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:41:46,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (1/1) ... [2019-10-14 23:41:46,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:41:46,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:41:46,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:41:46,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:41:46,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (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 [2019-10-14 23:41:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:41:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:41:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:41:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-14 23:41:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-14 23:41:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-14 23:41:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:41:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:41:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:41:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:41:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:41:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:41:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:41:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:41:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:41:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:41:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:41:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:41:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:41:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 23:41:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 23:41:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:41:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:41:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:41:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:41:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:41:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:41:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:41:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-14 23:41:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:41:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 23:41:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:41:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:41:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:41:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:41:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:41:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:41:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-14 23:41:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:41:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:41:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:41:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:41:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:41:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:41:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:41:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:41:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:41:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:41:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:41:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:41:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:41:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-14 23:41:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-14 23:41:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-14 23:41:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:41:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:41:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:41:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:41:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:41:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:41:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 23:41:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:41:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:41:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:41:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:41:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:41:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:41:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:41:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:41:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:41:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:41:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:41:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-14 23:41:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:41:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:41:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:41:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:41:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:41:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-14 23:41:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 23:41:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:41:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 23:41:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:41:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:41:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:41:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:41:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:41:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:41:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:41:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:41:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:41:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:41:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:41:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:41:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:41:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:41:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:41:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:41:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:41:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:41:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:41:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:41:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:41:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:41:48,020 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:41:48,021 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:41:48,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:41:48 BoogieIcfgContainer [2019-10-14 23:41:48,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:41:48,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:41:48,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:41:48,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:41:48,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:41:46" (1/3) ... [2019-10-14 23:41:48,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b12a750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:41:48, skipping insertion in model container [2019-10-14 23:41:48,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:41:46" (2/3) ... [2019-10-14 23:41:48,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b12a750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:41:48, skipping insertion in model container [2019-10-14 23:41:48,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:41:48" (3/3) ... [2019-10-14 23:41:48,035 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2019-10-14 23:41:48,047 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:41:48,057 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:41:48,069 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:41:48,104 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:41:48,105 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:41:48,105 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:41:48,105 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:41:48,106 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:41:48,107 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:41:48,107 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:41:48,108 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:41:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2019-10-14 23:41:48,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-14 23:41:48,155 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:41:48,156 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:41:48,158 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:41:48,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:41:48,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1893311162, now seen corresponding path program 1 times [2019-10-14 23:41:48,173 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:41:48,174 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058973799] [2019-10-14 23:41:48,174 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:41:48,174 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:41:48,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:41:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,810 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:41:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:41:48,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058973799] [2019-10-14 23:41:48,963 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:41:48,963 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:41:48,964 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219856094] [2019-10-14 23:41:48,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:41:48,971 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:41:48,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:41:48,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:41:48,989 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 4 states. [2019-10-14 23:41:50,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:41:50,409 INFO L93 Difference]: Finished difference Result 372 states and 477 transitions. [2019-10-14 23:41:50,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 23:41:50,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2019-10-14 23:41:50,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:41:50,428 INFO L225 Difference]: With dead ends: 372 [2019-10-14 23:41:50,428 INFO L226 Difference]: Without dead ends: 204 [2019-10-14 23:41:50,433 INFO L600 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 [2019-10-14 23:41:50,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-10-14 23:41:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 169. [2019-10-14 23:41:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-10-14 23:41:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2019-10-14 23:41:50,548 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 59 [2019-10-14 23:41:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:41:50,549 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2019-10-14 23:41:50,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:41:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2019-10-14 23:41:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-14 23:41:50,585 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:41:50,586 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:41:50,586 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:41:50,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:41:50,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1978801715, now seen corresponding path program 1 times [2019-10-14 23:41:50,588 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:41:50,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766992719] [2019-10-14 23:41:50,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:41:50,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:41:50,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:41:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,012 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:41:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:41:51,097 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766992719] [2019-10-14 23:41:51,097 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:41:51,098 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-14 23:41:51,098 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921970684] [2019-10-14 23:41:51,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 23:41:51,100 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:41:51,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 23:41:51,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:41:51,101 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand 5 states. [2019-10-14 23:41:51,747 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:41:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:41:52,969 INFO L93 Difference]: Finished difference Result 311 states and 381 transitions. [2019-10-14 23:41:52,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:41:52,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2019-10-14 23:41:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:41:52,973 INFO L225 Difference]: With dead ends: 311 [2019-10-14 23:41:52,975 INFO L226 Difference]: Without dead ends: 194 [2019-10-14 23:41:52,977 INFO L600 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 [2019-10-14 23:41:52,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-10-14 23:41:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 160. [2019-10-14 23:41:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-14 23:41:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 189 transitions. [2019-10-14 23:41:53,049 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 189 transitions. Word has length 60 [2019-10-14 23:41:53,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:41:53,049 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 189 transitions. [2019-10-14 23:41:53,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 23:41:53,049 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 189 transitions. [2019-10-14 23:41:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-14 23:41:53,051 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:41:53,051 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:41:53,052 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:41:53,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:41:53,052 INFO L82 PathProgramCache]: Analyzing trace with hash -532508270, now seen corresponding path program 1 times [2019-10-14 23:41:53,052 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:41:53,053 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405339095] [2019-10-14 23:41:53,053 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:41:53,053 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:41:53,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:41:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,465 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:41:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:41:53,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405339095] [2019-10-14 23:41:53,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:41:53,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:41:53,610 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772635831] [2019-10-14 23:41:53,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:41:53,611 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:41:53,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:41:53,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:41:53,612 INFO L87 Difference]: Start difference. First operand 160 states and 189 transitions. Second operand 9 states. [2019-10-14 23:41:54,106 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:41:54,488 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-10-14 23:41:54,831 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:41:55,154 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:41:56,198 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:41:58,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:41:58,796 INFO L93 Difference]: Finished difference Result 533 states and 661 transitions. [2019-10-14 23:41:58,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-14 23:41:58,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2019-10-14 23:41:58,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:41:58,804 INFO L225 Difference]: With dead ends: 533 [2019-10-14 23:41:58,804 INFO L226 Difference]: Without dead ends: 401 [2019-10-14 23:41:58,806 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-14 23:41:58,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-10-14 23:41:58,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 340. [2019-10-14 23:41:58,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-14 23:41:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 414 transitions. [2019-10-14 23:41:58,883 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 414 transitions. Word has length 64 [2019-10-14 23:41:58,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:41:58,883 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 414 transitions. [2019-10-14 23:41:58,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:41:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 414 transitions. [2019-10-14 23:41:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-14 23:41:58,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:41:58,886 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:41:58,886 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:41:58,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:41:58,886 INFO L82 PathProgramCache]: Analyzing trace with hash 216340368, now seen corresponding path program 1 times [2019-10-14 23:41:58,887 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:41:58,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780148009] [2019-10-14 23:41:58,887 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:41:58,887 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:41:58,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:41:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,242 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:41:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:41:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:41:59,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780148009] [2019-10-14 23:41:59,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:41:59,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:41:59,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567812526] [2019-10-14 23:41:59,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:41:59,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:41:59,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:41:59,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:41:59,348 INFO L87 Difference]: Start difference. First operand 340 states and 414 transitions. Second operand 9 states. [2019-10-14 23:41:59,818 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:42:00,561 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:42:01,721 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:42:01,994 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:42:02,391 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:42:02,707 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:03,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:42:03,820 INFO L93 Difference]: Finished difference Result 875 states and 1130 transitions. [2019-10-14 23:42:03,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:42:03,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2019-10-14 23:42:03,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:42:03,837 INFO L225 Difference]: With dead ends: 875 [2019-10-14 23:42:03,838 INFO L226 Difference]: Without dead ends: 563 [2019-10-14 23:42:03,840 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:42:03,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2019-10-14 23:42:03,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 499. [2019-10-14 23:42:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2019-10-14 23:42:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 597 transitions. [2019-10-14 23:42:03,949 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 597 transitions. Word has length 70 [2019-10-14 23:42:03,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:42:03,950 INFO L462 AbstractCegarLoop]: Abstraction has 499 states and 597 transitions. [2019-10-14 23:42:03,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:42:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 597 transitions. [2019-10-14 23:42:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-14 23:42:03,952 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:42:03,952 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:42:03,953 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:42:03,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:42:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1357993179, now seen corresponding path program 1 times [2019-10-14 23:42:03,953 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:42:03,954 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120743449] [2019-10-14 23:42:03,954 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:42:03,954 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:42:03,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:42:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,256 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:42:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:42:04,454 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120743449] [2019-10-14 23:42:04,454 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:42:04,455 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:42:04,455 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036878249] [2019-10-14 23:42:04,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:42:04,457 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:42:04,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:42:04,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:42:04,458 INFO L87 Difference]: Start difference. First operand 499 states and 597 transitions. Second operand 9 states. [2019-10-14 23:42:05,856 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:06,135 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-10-14 23:42:06,408 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:06,685 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:42:07,722 INFO L93 Difference]: Finished difference Result 1060 states and 1356 transitions. [2019-10-14 23:42:07,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:42:07,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2019-10-14 23:42:07,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:42:07,731 INFO L225 Difference]: With dead ends: 1060 [2019-10-14 23:42:07,732 INFO L226 Difference]: Without dead ends: 589 [2019-10-14 23:42:07,733 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-10-14 23:42:07,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-14 23:42:07,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 512. [2019-10-14 23:42:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-10-14 23:42:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 611 transitions. [2019-10-14 23:42:07,826 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 611 transitions. Word has length 112 [2019-10-14 23:42:07,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:42:07,827 INFO L462 AbstractCegarLoop]: Abstraction has 512 states and 611 transitions. [2019-10-14 23:42:07,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:42:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 611 transitions. [2019-10-14 23:42:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-14 23:42:07,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:42:07,829 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:42:07,830 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:42:07,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:42:07,830 INFO L82 PathProgramCache]: Analyzing trace with hash 581168867, now seen corresponding path program 1 times [2019-10-14 23:42:07,830 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:42:07,830 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895380016] [2019-10-14 23:42:07,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:42:07,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:42:07,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:42:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,145 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:42:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:42:08,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895380016] [2019-10-14 23:42:08,334 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:42:08,334 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:42:08,334 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310794827] [2019-10-14 23:42:08,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:42:08,335 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:42:08,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:42:08,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:42:08,336 INFO L87 Difference]: Start difference. First operand 512 states and 611 transitions. Second operand 11 states. [2019-10-14 23:42:09,010 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:42:09,320 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:09,621 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:10,536 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:10,849 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:11,131 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:42:12,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:42:12,350 INFO L93 Difference]: Finished difference Result 1083 states and 1380 transitions. [2019-10-14 23:42:12,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:42:12,351 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2019-10-14 23:42:12,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:42:12,356 INFO L225 Difference]: With dead ends: 1083 [2019-10-14 23:42:12,356 INFO L226 Difference]: Without dead ends: 599 [2019-10-14 23:42:12,358 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:42:12,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-10-14 23:42:12,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 520. [2019-10-14 23:42:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-14 23:42:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 619 transitions. [2019-10-14 23:42:12,443 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 619 transitions. Word has length 112 [2019-10-14 23:42:12,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:42:12,444 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 619 transitions. [2019-10-14 23:42:12,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:42:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 619 transitions. [2019-10-14 23:42:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-14 23:42:12,446 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:42:12,446 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:42:12,446 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:42:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:42:12,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1350338882, now seen corresponding path program 1 times [2019-10-14 23:42:12,447 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:42:12,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98461081] [2019-10-14 23:42:12,447 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:42:12,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:42:12,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:42:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,762 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:42:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:42:12,986 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98461081] [2019-10-14 23:42:12,986 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:42:12,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:42:12,987 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601909838] [2019-10-14 23:42:12,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:42:12,988 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:42:12,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:42:12,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:42:12,989 INFO L87 Difference]: Start difference. First operand 520 states and 619 transitions. Second operand 7 states. [2019-10-14 23:42:13,455 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:42:14,037 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:42:16,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:42:16,483 INFO L93 Difference]: Finished difference Result 1571 states and 2020 transitions. [2019-10-14 23:42:16,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-14 23:42:16,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2019-10-14 23:42:16,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:42:16,490 INFO L225 Difference]: With dead ends: 1571 [2019-10-14 23:42:16,490 INFO L226 Difference]: Without dead ends: 1079 [2019-10-14 23:42:16,493 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:42:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2019-10-14 23:42:16,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1005. [2019-10-14 23:42:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2019-10-14 23:42:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1219 transitions. [2019-10-14 23:42:16,679 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1219 transitions. Word has length 112 [2019-10-14 23:42:16,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:42:16,681 INFO L462 AbstractCegarLoop]: Abstraction has 1005 states and 1219 transitions. [2019-10-14 23:42:16,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:42:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1219 transitions. [2019-10-14 23:42:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-14 23:42:16,687 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:42:16,688 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:42:16,688 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:42:16,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:42:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1975342852, now seen corresponding path program 1 times [2019-10-14 23:42:16,689 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:42:16,689 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962558453] [2019-10-14 23:42:16,690 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:42:16,690 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:42:16,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:42:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,129 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:42:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:42:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:42:17,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962558453] [2019-10-14 23:42:17,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:42:17,325 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:42:17,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006727492] [2019-10-14 23:42:17,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:42:17,326 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:42:17,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:42:17,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:42:17,327 INFO L87 Difference]: Start difference. First operand 1005 states and 1219 transitions. Second operand 12 states. [2019-10-14 23:42:17,999 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:42:18,721 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:42:19,444 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:42:19,819 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:42:20,101 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-10-14 23:42:20,434 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:42:20,742 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-14 23:42:23,187 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:42:23,525 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190