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_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:39:31,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:39:31,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:39:31,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:39:31,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:39:31,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:39:31,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:39:31,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:39:31,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:39:31,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:39:31,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:39:31,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:39:31,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:39:31,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:39:31,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:39:31,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:39:31,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:39:31,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:39:31,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:39:31,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:39:31,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:39:31,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:39:31,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:39:31,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:39:31,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:39:31,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:39:31,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:39:31,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:39:31,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:39:31,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:39:31,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:39:31,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:39:31,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:39:31,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:39:31,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:39:31,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:39:31,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:39:31,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:39:31,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:39:31,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:39:31,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:39:31,744 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 [2019-10-13 19:39:31,766 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:39:31,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:39:31,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:39:31,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:39:31,768 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:39:31,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:39:31,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:39:31,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:39:31,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:39:31,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:39:31,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:39:31,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:39:31,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:39:31,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:39:31,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:39:31,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:39:31,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:39:31,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:39:31,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:39:31,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:39:31,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:39:31,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:31,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:39:31,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:39:31,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:39:31,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:39:31,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:39:31,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:39:31,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:39:32,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:39:32,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:39:32,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:39:32,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:39:32,108 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:39:32,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-10-13 19:39:32,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e0b47e4e/ac4641164588457288c1c205172c7807/FLAG4e1144b5c [2019-10-13 19:39:32,695 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:39:32,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-10-13 19:39:32,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e0b47e4e/ac4641164588457288c1c205172c7807/FLAG4e1144b5c [2019-10-13 19:39:33,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e0b47e4e/ac4641164588457288c1c205172c7807 [2019-10-13 19:39:33,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:39:33,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:39:33,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:33,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:39:33,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:39:33,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170c7fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33, skipping insertion in model container [2019-10-13 19:39:33,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,038 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:39:33,094 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:39:33,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:33,531 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:39:33,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:33,699 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:39:33,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33 WrapperNode [2019-10-13 19:39:33,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:33,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:39:33,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:39:33,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:39:33,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (1/1) ... [2019-10-13 19:39:33,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:39:33,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:39:33,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:39:33,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:39:33,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (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 [2019-10-13 19:39:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:39:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:39:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:39:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:39:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:39:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:39:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:39:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:39:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:39:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:39:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:39:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:39:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:39:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:39:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:39:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:39:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:39:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:39:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:39:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:39:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:39:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:39:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:39:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:39:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:39:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:39:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 19:39:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:39:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:39:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:39:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:39:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:39:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:39:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:39:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:39:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:39:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:39:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:39:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:39:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:39:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:39:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:39:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:39:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:39:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:39:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:39:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:39:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:39:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:39:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:39:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:39:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:39:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:39:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:39:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:39:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:39:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:39:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:39:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:39:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:39:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:39:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:39:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:39:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:39:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:39:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:39:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:39:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:39:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:39:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:39:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:39:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:39:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:39:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:39:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:39:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:39:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:39:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:39:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:39:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 19:39:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:39:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:39:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:39:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:39:34,928 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:39:34,928 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:39:34,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:34 BoogieIcfgContainer [2019-10-13 19:39:34,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:39:34,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:39:34,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:39:34,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:39:34,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:33" (1/3) ... [2019-10-13 19:39:34,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59771b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:34, skipping insertion in model container [2019-10-13 19:39:34,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:33" (2/3) ... [2019-10-13 19:39:34,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59771b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:34, skipping insertion in model container [2019-10-13 19:39:34,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:34" (3/3) ... [2019-10-13 19:39:34,939 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2019-10-13 19:39:34,948 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:39:34,958 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:39:34,969 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:39:35,011 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:39:35,011 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:39:35,011 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:39:35,011 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:39:35,012 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:39:35,012 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:39:35,013 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:39:35,013 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:39:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2019-10-13 19:39:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:39:35,058 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:35,059 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:35,062 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:35,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:35,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1860559375, now seen corresponding path program 1 times [2019-10-13 19:39:35,076 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:35,076 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743722613] [2019-10-13 19:39:35,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:35,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:35,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,777 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:35,882 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743722613] [2019-10-13 19:39:35,884 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:35,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:39:35,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859396947] [2019-10-13 19:39:35,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:39:35,900 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:35,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:39:35,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:35,920 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 3 states. [2019-10-13 19:39:37,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:37,165 INFO L93 Difference]: Finished difference Result 299 states and 393 transitions. [2019-10-13 19:39:37,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:39:37,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:39:37,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:37,182 INFO L225 Difference]: With dead ends: 299 [2019-10-13 19:39:37,183 INFO L226 Difference]: Without dead ends: 162 [2019-10-13 19:39:37,188 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:37,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-10-13 19:39:37,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 128. [2019-10-13 19:39:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-13 19:39:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-10-13 19:39:37,280 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2019-10-13 19:39:37,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:37,280 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-10-13 19:39:37,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:39:37,281 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-10-13 19:39:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:39:37,284 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:37,284 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:37,285 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:37,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:37,285 INFO L82 PathProgramCache]: Analyzing trace with hash 344709466, now seen corresponding path program 1 times [2019-10-13 19:39:37,285 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:37,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731239268] [2019-10-13 19:39:37,286 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:37,286 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:37,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,646 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:37,681 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731239268] [2019-10-13 19:39:37,681 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:37,681 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:39:37,681 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530183960] [2019-10-13 19:39:37,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:39:37,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:37,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:39:37,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:39:37,684 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 4 states. [2019-10-13 19:39:38,170 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:38,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:38,980 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2019-10-13 19:39:38,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:39:38,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:39:38,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:38,985 INFO L225 Difference]: With dead ends: 226 [2019-10-13 19:39:38,985 INFO L226 Difference]: Without dead ends: 146 [2019-10-13 19:39:38,987 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:39:38,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-13 19:39:39,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 119. [2019-10-13 19:39:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-13 19:39:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-10-13 19:39:39,023 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2019-10-13 19:39:39,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:39,023 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-10-13 19:39:39,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:39:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-10-13 19:39:39,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 19:39:39,025 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:39,026 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:39,026 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:39,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:39,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1335502603, now seen corresponding path program 1 times [2019-10-13 19:39:39,027 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:39,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166089226] [2019-10-13 19:39:39,027 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:39,027 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:39,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,391 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:39,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166089226] [2019-10-13 19:39:39,486 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:39,486 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:39:39,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286006022] [2019-10-13 19:39:39,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:39:39,487 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:39,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:39:39,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:39:39,488 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 8 states. [2019-10-13 19:39:40,021 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:40,412 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:40,714 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:40,962 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:41,726 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:43,533 INFO L93 Difference]: Finished difference Result 409 states and 509 transitions. [2019-10-13 19:39:43,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:39:43,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-13 19:39:43,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:43,539 INFO L225 Difference]: With dead ends: 409 [2019-10-13 19:39:43,540 INFO L226 Difference]: Without dead ends: 314 [2019-10-13 19:39:43,541 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:39:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-10-13 19:39:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 256. [2019-10-13 19:39:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-10-13 19:39:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2019-10-13 19:39:43,603 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2019-10-13 19:39:43,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:43,604 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2019-10-13 19:39:43,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:43,604 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2019-10-13 19:39:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:39:43,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:43,607 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:43,608 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:43,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:43,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1187986019, now seen corresponding path program 1 times [2019-10-13 19:39:43,608 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:43,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314405336] [2019-10-13 19:39:43,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:43,609 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:43,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,931 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:44,049 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314405336] [2019-10-13 19:39:44,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:44,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:44,050 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709289027] [2019-10-13 19:39:44,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:44,050 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:44,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:44,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:44,051 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 12 states. [2019-10-13 19:39:44,591 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:44,926 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:45,196 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:45,464 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:46,110 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:47,130 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:47,618 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:48,036 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:48,333 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:48,643 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:49,066 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:49,483 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:49,886 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:51,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:51,461 INFO L93 Difference]: Finished difference Result 1027 states and 1368 transitions. [2019-10-13 19:39:51,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:51,461 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-13 19:39:51,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:51,469 INFO L225 Difference]: With dead ends: 1027 [2019-10-13 19:39:51,469 INFO L226 Difference]: Without dead ends: 795 [2019-10-13 19:39:51,472 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:39:51,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2019-10-13 19:39:51,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 694. [2019-10-13 19:39:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2019-10-13 19:39:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 862 transitions. [2019-10-13 19:39:51,640 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 862 transitions. Word has length 57 [2019-10-13 19:39:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:51,641 INFO L462 AbstractCegarLoop]: Abstraction has 694 states and 862 transitions. [2019-10-13 19:39:51,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 862 transitions. [2019-10-13 19:39:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 19:39:51,647 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:51,647 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:51,647 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:51,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:51,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1722292439, now seen corresponding path program 1 times [2019-10-13 19:39:51,648 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:51,648 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185971362] [2019-10-13 19:39:51,648 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:51,649 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:51,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:51,964 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:52,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185971362] [2019-10-13 19:39:52,027 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:52,027 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:52,027 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281682919] [2019-10-13 19:39:52,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:52,028 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:52,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:52,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:52,029 INFO L87 Difference]: Start difference. First operand 694 states and 862 transitions. Second operand 6 states. [2019-10-13 19:39:52,535 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:53,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:53,429 INFO L93 Difference]: Finished difference Result 1115 states and 1437 transitions. [2019-10-13 19:39:53,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:53,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 19:39:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:53,435 INFO L225 Difference]: With dead ends: 1115 [2019-10-13 19:39:53,436 INFO L226 Difference]: Without dead ends: 445 [2019-10-13 19:39:53,440 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:39:53,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-13 19:39:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 420. [2019-10-13 19:39:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2019-10-13 19:39:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 479 transitions. [2019-10-13 19:39:53,556 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 479 transitions. Word has length 61 [2019-10-13 19:39:53,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:53,556 INFO L462 AbstractCegarLoop]: Abstraction has 420 states and 479 transitions. [2019-10-13 19:39:53,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 479 transitions. [2019-10-13 19:39:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 19:39:53,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:53,563 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:39:53,563 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:53,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:53,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1674870262, now seen corresponding path program 1 times [2019-10-13 19:39:53,565 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:53,566 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431704213] [2019-10-13 19:39:53,566 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:53,566 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:53,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,913 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:39:54,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431704213] [2019-10-13 19:39:54,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241252032] [2019-10-13 19:39:54,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:54,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:54,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:54,520 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:54,521 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:54,521 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698004852] [2019-10-13 19:39:54,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:54,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:54,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:54,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:54,523 INFO L87 Difference]: Start difference. First operand 420 states and 479 transitions. Second operand 15 states. [2019-10-13 19:39:55,220 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:56,007 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:57,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:57,140 INFO L93 Difference]: Finished difference Result 562 states and 654 transitions. [2019-10-13 19:39:57,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 19:39:57,141 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2019-10-13 19:39:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:57,143 INFO L225 Difference]: With dead ends: 562 [2019-10-13 19:39:57,143 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:57,145 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:39:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:57,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:57,146 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-13 19:39:57,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:57,147 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:57,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:57,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:57,352 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:57,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:57,631 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 21 [2019-10-13 19:39:57,887 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 19 [2019-10-13 19:39:58,170 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 207 [2019-10-13 19:40:00,207 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:40:00,406 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:00,623 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-13 19:40:00,853 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:40:01,198 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2019-10-13 19:40:01,403 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:40:01,877 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:40:02,043 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:40:02,497 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:40:02,990 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:40:03,170 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:40:03,328 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:40:03,784 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-13 19:40:04,291 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-13 19:40:04,459 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:40:04,934 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:40:05,416 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:40:05,568 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:05,761 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:05,947 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:06,157 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:06,689 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-13 19:40:07,178 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 15 [2019-10-13 19:40:07,329 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:40:07,332 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-13 19:40:07,333 INFO L443 ceAbstractionStarter]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2019-10-13 19:40:07,333 INFO L443 ceAbstractionStarter]: For program point L278(lines 255 279) no Hoare annotation was computed. [2019-10-13 19:40:07,333 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2019-10-13 19:40:07,333 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2019-10-13 19:40:07,333 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-13 19:40:07,333 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2019-10-13 19:40:07,333 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2019-10-13 19:40:07,333 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 323) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point L339(lines 312 340) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2019-10-13 19:40:07,334 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-10-13 19:40:07,334 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-10-13 19:40:07,335 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-13 19:40:07,335 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-10-13 19:40:07,335 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2019-10-13 19:40:07,335 INFO L443 ceAbstractionStarter]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2019-10-13 19:40:07,335 INFO L446 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: true [2019-10-13 19:40:07,335 INFO L443 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2019-10-13 19:40:07,335 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2019-10-13 19:40:07,335 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2019-10-13 19:40:07,335 INFO L439 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,335 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2019-10-13 19:40:07,336 INFO L439 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,336 INFO L443 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2019-10-13 19:40:07,336 INFO L443 ceAbstractionStarter]: For program point L930(lines 930 943) no Hoare annotation was computed. [2019-10-13 19:40:07,336 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 19:40:07,336 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 19:40:07,336 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,336 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,337 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,337 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,337 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 19:40:07,337 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-13 19:40:07,337 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,337 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 19:40:07,338 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 19:40:07,339 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 19:40:07,339 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 19:40:07,339 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 19:40:07,339 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 19:40:07,339 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 19:40:07,339 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 19:40:07,339 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 19:40:07,339 INFO L439 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:40:07,339 INFO L443 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2019-10-13 19:40:07,340 INFO L439 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,340 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,340 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-10-13 19:40:07,340 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:40:07,340 INFO L439 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,340 INFO L443 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2019-10-13 19:40:07,340 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2019-10-13 19:40:07,340 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2019-10-13 19:40:07,340 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2019-10-13 19:40:07,340 INFO L439 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:40:07,340 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 915) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: (or (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2019-10-13 19:40:07,341 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 865) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point L857-2(lines 857 865) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point L880-1(line 880) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 850 885) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 877) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point L869-2(lines 869 877) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2019-10-13 19:40:07,342 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 532) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 525) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2019-10-13 19:40:07,343 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-13 19:40:07,343 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-13 19:40:07,344 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2019-10-13 19:40:07,344 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2019-10-13 19:40:07,344 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2019-10-13 19:40:07,344 INFO L439 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:40:07,344 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2019-10-13 19:40:07,344 INFO L443 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2019-10-13 19:40:07,344 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:40:07,344 INFO L439 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,344 INFO L439 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,344 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2019-10-13 19:40:07,344 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,345 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-10-13 19:40:07,345 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2019-10-13 19:40:07,345 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2019-10-13 19:40:07,345 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2019-10-13 19:40:07,345 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 640 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,345 INFO L439 ceAbstractionStarter]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:40:07,345 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2019-10-13 19:40:07,345 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1))) [2019-10-13 19:40:07,345 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2019-10-13 19:40:07,345 INFO L439 ceAbstractionStarter]: At program point L686-1(lines 680 693) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:40:07,345 INFO L443 ceAbstractionStarter]: For program point L651(lines 650 697) no Hoare annotation was computed. [2019-10-13 19:40:07,345 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 693) no Hoare annotation was computed. [2019-10-13 19:40:07,346 INFO L439 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:40:07,346 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 676) no Hoare annotation was computed. [2019-10-13 19:40:07,346 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2019-10-13 19:40:07,346 INFO L439 ceAbstractionStarter]: At program point L695(lines 650 697) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:40:07,346 INFO L439 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:40:07,346 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-10-13 19:40:07,346 INFO L443 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2019-10-13 19:40:07,346 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2019-10-13 19:40:07,346 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2019-10-13 19:40:07,346 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2019-10-13 19:40:07,346 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 479) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 486) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 797 804) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2019-10-13 19:40:07,347 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2019-10-13 19:40:07,348 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2019-10-13 19:40:07,348 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 613) no Hoare annotation was computed. [2019-10-13 19:40:07,348 INFO L443 ceAbstractionStarter]: For program point L605-2(lines 605 613) no Hoare annotation was computed. [2019-10-13 19:40:07,348 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 597 619) no Hoare annotation was computed. [2019-10-13 19:40:07,348 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 597 619) no Hoare annotation was computed. [2019-10-13 19:40:07,348 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 597 619) no Hoare annotation was computed. [2019-10-13 19:40:07,348 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-10-13 19:40:07,348 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2019-10-13 19:40:07,349 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-13 19:40:07,349 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2019-10-13 19:40:07,349 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 394) no Hoare annotation was computed. [2019-10-13 19:40:07,349 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-10-13 19:40:07,349 INFO L443 ceAbstractionStarter]: For program point L399(lines 398 418) no Hoare annotation was computed. [2019-10-13 19:40:07,349 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 19:40:07,349 INFO L443 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2019-10-13 19:40:07,349 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 436) no Hoare annotation was computed. [2019-10-13 19:40:07,350 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2019-10-13 19:40:07,350 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-13 19:40:07,350 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-13 19:40:07,350 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-13 19:40:07,350 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 448) no Hoare annotation was computed. [2019-10-13 19:40:07,350 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2019-10-13 19:40:07,350 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-10-13 19:40:07,350 INFO L443 ceAbstractionStarter]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2019-10-13 19:40:07,351 INFO L443 ceAbstractionStarter]: For program point L419(lines 397 420) no Hoare annotation was computed. [2019-10-13 19:40:07,351 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:40:07,351 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-10-13 19:40:07,351 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:40:07,351 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-13 19:40:07,351 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2019-10-13 19:40:07,352 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-10-13 19:40:07,352 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2019-10-13 19:40:07,352 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-13 19:40:07,352 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-13 19:40:07,352 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 805 821) no Hoare annotation was computed. [2019-10-13 19:40:07,352 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2019-10-13 19:40:07,352 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2019-10-13 19:40:07,352 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2019-10-13 19:40:07,353 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:40:07,353 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2019-10-13 19:40:07,353 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2019-10-13 19:40:07,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:40:07,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:40:07,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:40:07,353 INFO L439 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2)))) [2019-10-13 19:40:07,354 INFO L439 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= 1 ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2019-10-13 19:40:07,354 INFO L439 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:40:07,354 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= 1 ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2019-10-13 19:40:07,354 INFO L443 ceAbstractionStarter]: For program point L718(lines 717 736) no Hoare annotation was computed. [2019-10-13 19:40:07,354 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2019-10-13 19:40:07,354 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2019-10-13 19:40:07,354 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 19:40:07,355 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 19:40:07,355 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 19:40:07,355 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 19:40:07,355 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 19:40:07,355 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-13 19:40:07,355 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 19:40:07,355 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 19:40:07,355 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 19:40:07,356 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 19:40:07,356 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2019-10-13 19:40:07,356 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2019-10-13 19:40:07,356 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2019-10-13 19:40:07,356 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2019-10-13 19:40:07,356 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2019-10-13 19:40:07,356 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2019-10-13 19:40:07,356 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 19:40:07,356 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 19:40:07,356 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:40:07,357 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 19:40:07,357 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:40:07,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:40:07,357 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2019-10-13 19:40:07,357 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2019-10-13 19:40:07,357 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (= 1 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:40:07,357 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2019-10-13 19:40:07,357 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2019-10-13 19:40:07,358 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2019-10-13 19:40:07,358 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2019-10-13 19:40:07,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:40:07 BoogieIcfgContainer [2019-10-13 19:40:07,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:40:07,374 INFO L168 Benchmark]: Toolchain (without parser) took 34348.37 ms. Allocated memory was 138.9 MB in the beginning and 651.2 MB in the end (delta: 512.2 MB). Free memory was 102.4 MB in the beginning and 183.6 MB in the end (delta: -81.2 MB). Peak memory consumption was 529.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:07,375 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 19:40:07,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.28 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 170.1 MB in the end (delta: -68.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:07,376 INFO L168 Benchmark]: Boogie Preprocessor took 105.63 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 166.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:07,377 INFO L168 Benchmark]: RCFGBuilder took 1124.30 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 197.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:07,378 INFO L168 Benchmark]: TraceAbstraction took 32440.79 ms. Allocated memory was 236.5 MB in the beginning and 651.2 MB in the end (delta: 414.7 MB). Free memory was 195.3 MB in the beginning and 183.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 524.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:40:07,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.28 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 170.1 MB in the end (delta: -68.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.63 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 166.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1124.30 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 197.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32440.79 ms. Allocated memory was 236.5 MB in the beginning and 651.2 MB in the end (delta: 414.7 MB). Free memory was 195.3 MB in the beginning and 183.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 524.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Result: SAFE, OverallTime: 32.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, HoareTripleCheckerStatistics: 643 SDtfs, 1345 SDslu, 708 SDs, 0 SdLazy, 3687 SolverSat, 872 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=694occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 245 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 812 PreInvPairs, 863 NumberOfFragments, 1124 HoareAnnotationTreeSize, 812 FomulaSimplifications, 68649 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 17989 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 124861 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/46 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...