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_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:38:33,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:38:33,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:38:33,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:38:33,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:38:33,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:38:33,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:38:33,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:38:33,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:38:33,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:38:33,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:38:33,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:38:33,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:38:33,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:38:33,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:38:33,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:38:33,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:38:33,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:38:33,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:38:33,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:38:33,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:38:33,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:38:33,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:38:33,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:38:33,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:38:33,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:38:33,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:38:33,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:38:33,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:38:33,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:38:33,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:38:33,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:38:33,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:38:33,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:38:33,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:38:33,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:38:33,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:38:33,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:38:33,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:38:33,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:38:33,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:38:33,576 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 19:38:33,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:38:33,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:38:33,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:38:33,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:38:33,592 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:38:33,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:38:33,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:38:33,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:38:33,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:38:33,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:38:33,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:38:33,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:38:33,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:38:33,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:38:33,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:38:33,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:38:33,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:38:33,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:38:33,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:38:33,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:38:33,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:38:33,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:38:33,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:38:33,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:38:33,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:38:33,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:38:33,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:38:33,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:38:33,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:38:33,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:38:33,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:38:33,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:38:33,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:38:33,928 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:38:33,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2019-10-13 19:38:34,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c73af60e/5589ab2c3e51474db2623ab41b65f978/FLAG883cf58ba [2019-10-13 19:38:34,601 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:38:34,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2019-10-13 19:38:34,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c73af60e/5589ab2c3e51474db2623ab41b65f978/FLAG883cf58ba [2019-10-13 19:38:34,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c73af60e/5589ab2c3e51474db2623ab41b65f978 [2019-10-13 19:38:34,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:38:34,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:38:34,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:38:34,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:38:34,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:38:34,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:38:34" (1/1) ... [2019-10-13 19:38:34,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e957a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:34, skipping insertion in model container [2019-10-13 19:38:34,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:38:34" (1/1) ... [2019-10-13 19:38:34,902 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:38:34,961 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:38:35,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:38:35,437 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:38:35,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:38:35,563 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:38:35,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35 WrapperNode [2019-10-13 19:38:35,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:38:35,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:38:35,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:38:35,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:38:35,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (1/1) ... [2019-10-13 19:38:35,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (1/1) ... [2019-10-13 19:38:35,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (1/1) ... [2019-10-13 19:38:35,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (1/1) ... [2019-10-13 19:38:35,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (1/1) ... [2019-10-13 19:38:35,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (1/1) ... [2019-10-13 19:38:35,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (1/1) ... [2019-10-13 19:38:35,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:38:35,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:38:35,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:38:35,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:38:35,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (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 19:38:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:38:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:38:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:38:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:38:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:38:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:38:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:38:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:38:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:38:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:38:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:38:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:38:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:38:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:38:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:38:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:38:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:38:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:38:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:38:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:38:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:38:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:38:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:38:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:38:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:38:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:38:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:38:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:38:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:38:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:38:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:38:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:38:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:38:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:38:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:38:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:38:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:38:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:38:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:38:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:38:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:38:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:38:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:38:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:38:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:38:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:38:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:38:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:38:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:38:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:38:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:38:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:38:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:38:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:38:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:38:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:38:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:38:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:38:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:38:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:38:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:38:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:38:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:38:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:38:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:38:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:38:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:38:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:38:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:38:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:38:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:38:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:38:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:38:35,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:38:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:38:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:38:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:38:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:38:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:38:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:38:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:38:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:38:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:38:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:38:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:38:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:38:36,875 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:38:36,876 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:38:36,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:38:36 BoogieIcfgContainer [2019-10-13 19:38:36,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:38:36,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:38:36,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:38:36,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:38:36,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:38:34" (1/3) ... [2019-10-13 19:38:36,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d68729c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:38:36, skipping insertion in model container [2019-10-13 19:38:36,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:35" (2/3) ... [2019-10-13 19:38:36,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d68729c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:38:36, skipping insertion in model container [2019-10-13 19:38:36,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:38:36" (3/3) ... [2019-10-13 19:38:36,888 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2019-10-13 19:38:36,898 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:38:36,908 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:38:36,920 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:38:36,953 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:38:36,953 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:38:36,953 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:38:36,953 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:38:36,954 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:38:36,954 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:38:36,954 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:38:36,954 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:38:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-10-13 19:38:36,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:38:36,987 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:36,988 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 19:38:36,990 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:36,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1908164491, now seen corresponding path program 1 times [2019-10-13 19:38:37,005 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:37,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853977151] [2019-10-13 19:38:37,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:37,007 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:37,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:37,703 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:37,800 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 19:38:37,801 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853977151] [2019-10-13 19:38:37,802 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:37,802 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:38:37,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475536101] [2019-10-13 19:38:37,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:38:37,808 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:37,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:38:37,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:38:37,826 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2019-10-13 19:38:38,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:38,973 INFO L93 Difference]: Finished difference Result 257 states and 340 transitions. [2019-10-13 19:38:38,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:38:38,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:38:38,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:38,991 INFO L225 Difference]: With dead ends: 257 [2019-10-13 19:38:38,991 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 19:38:38,995 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 19:38:39,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 19:38:39,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 108. [2019-10-13 19:38:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-13 19:38:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2019-10-13 19:38:39,110 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2019-10-13 19:38:39,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:39,112 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2019-10-13 19:38:39,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:38:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2019-10-13 19:38:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:38:39,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:39,117 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 19:38:39,117 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:39,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:39,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1100286526, now seen corresponding path program 1 times [2019-10-13 19:38:39,119 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:39,119 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436538151] [2019-10-13 19:38:39,119 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:39,119 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:39,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:39,512 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:39,548 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 19:38:39,549 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436538151] [2019-10-13 19:38:39,549 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:39,549 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:38:39,550 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408851181] [2019-10-13 19:38:39,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:38:39,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:39,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:38:39,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:38:39,552 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 4 states. [2019-10-13 19:38:40,030 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:38:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:40,724 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2019-10-13 19:38:40,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:38:40,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:38:40,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:40,727 INFO L225 Difference]: With dead ends: 184 [2019-10-13 19:38:40,728 INFO L226 Difference]: Without dead ends: 124 [2019-10-13 19:38:40,729 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 19:38:40,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-13 19:38:40,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 99. [2019-10-13 19:38:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 19:38:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2019-10-13 19:38:40,762 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2019-10-13 19:38:40,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:40,763 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2019-10-13 19:38:40,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:38:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2019-10-13 19:38:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 19:38:40,765 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:40,765 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 19:38:40,766 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:40,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:40,766 INFO L82 PathProgramCache]: Analyzing trace with hash 418725032, now seen corresponding path program 1 times [2019-10-13 19:38:40,766 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:40,767 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684391621] [2019-10-13 19:38:40,767 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:40,767 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:40,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:41,067 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:41,174 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 19:38:41,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684391621] [2019-10-13 19:38:41,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:41,176 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:38:41,176 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791297823] [2019-10-13 19:38:41,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:38:41,178 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:41,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:38:41,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:38:41,179 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 8 states. [2019-10-13 19:38:41,637 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:41,977 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:42,250 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:42,513 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:43,385 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:38:44,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:44,907 INFO L93 Difference]: Finished difference Result 345 states and 428 transitions. [2019-10-13 19:38:44,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:38:44,908 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-13 19:38:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:44,911 INFO L225 Difference]: With dead ends: 345 [2019-10-13 19:38:44,911 INFO L226 Difference]: Without dead ends: 270 [2019-10-13 19:38:44,913 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:38:44,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-13 19:38:44,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 216. [2019-10-13 19:38:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-10-13 19:38:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2019-10-13 19:38:44,981 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2019-10-13 19:38:44,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:44,981 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2019-10-13 19:38:44,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:38:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2019-10-13 19:38:44,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:38:44,984 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:44,985 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 19:38:44,985 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:44,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:44,985 INFO L82 PathProgramCache]: Analyzing trace with hash 2030555279, now seen corresponding path program 1 times [2019-10-13 19:38:44,986 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:44,986 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654439896] [2019-10-13 19:38:44,986 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:44,987 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:44,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,381 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:45,494 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 19:38:45,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654439896] [2019-10-13 19:38:45,495 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:45,495 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:38:45,495 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722572724] [2019-10-13 19:38:45,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:38:45,496 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:45,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:38:45,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:38:45,497 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 12 states. [2019-10-13 19:38:46,179 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:46,548 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:46,872 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:47,153 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:47,792 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:38:48,813 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:49,243 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:49,573 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:49,851 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:38:50,138 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:50,516 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:50,876 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:51,175 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:52,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:52,478 INFO L93 Difference]: Finished difference Result 855 states and 1150 transitions. [2019-10-13 19:38:52,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:38:52,479 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-13 19:38:52,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:52,488 INFO L225 Difference]: With dead ends: 855 [2019-10-13 19:38:52,488 INFO L226 Difference]: Without dead ends: 663 [2019-10-13 19:38:52,492 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:38:52,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2019-10-13 19:38:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 570. [2019-10-13 19:38:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2019-10-13 19:38:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 706 transitions. [2019-10-13 19:38:52,645 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 706 transitions. Word has length 57 [2019-10-13 19:38:52,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:52,646 INFO L462 AbstractCegarLoop]: Abstraction has 570 states and 706 transitions. [2019-10-13 19:38:52,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:38:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 706 transitions. [2019-10-13 19:38:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 19:38:52,650 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:52,650 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 19:38:52,650 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:52,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:52,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1547213643, now seen corresponding path program 1 times [2019-10-13 19:38:52,651 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:52,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068466002] [2019-10-13 19:38:52,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:52,652 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:52,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:52,962 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,036 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 19:38:53,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068466002] [2019-10-13 19:38:53,036 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:53,037 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:38:53,037 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521900691] [2019-10-13 19:38:53,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:38:53,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:53,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:38:53,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:38:53,038 INFO L87 Difference]: Start difference. First operand 570 states and 706 transitions. Second operand 6 states. [2019-10-13 19:38:53,456 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:54,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:54,208 INFO L93 Difference]: Finished difference Result 961 states and 1237 transitions. [2019-10-13 19:38:54,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:38:54,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 19:38:54,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:54,213 INFO L225 Difference]: With dead ends: 961 [2019-10-13 19:38:54,213 INFO L226 Difference]: Without dead ends: 415 [2019-10-13 19:38:54,216 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 19:38:54,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-13 19:38:54,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2019-10-13 19:38:54,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-13 19:38:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2019-10-13 19:38:54,286 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2019-10-13 19:38:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:54,287 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2019-10-13 19:38:54,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:38:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2019-10-13 19:38:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 19:38:54,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:54,291 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 19:38:54,291 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:54,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:54,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1956269670, now seen corresponding path program 1 times [2019-10-13 19:38:54,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:54,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795639679] [2019-10-13 19:38:54,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:54,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:54,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,694 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:54,844 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 19:38:54,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795639679] [2019-10-13 19:38:54,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234839600] [2019-10-13 19:38:54,846 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 19:38:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:38:55,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:38:55,244 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 19:38:55,246 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:38:55,246 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:38:55,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683625610] [2019-10-13 19:38:55,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:38:55,248 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:55,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:38:55,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:38:55,249 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 15 states. [2019-10-13 19:38:56,033 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:56,801 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:57,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:57,850 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2019-10-13 19:38:57,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 19:38:57,850 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2019-10-13 19:38:57,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:57,851 INFO L225 Difference]: With dead ends: 522 [2019-10-13 19:38:57,852 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:38:57,854 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:38:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:38:57,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:38:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:38:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:38:57,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-13 19:38:57,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:57,855 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:38:57,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:38:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:38:57,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:38:58,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:38:58,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:38:58,783 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 30 [2019-10-13 19:38:58,896 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 28 [2019-10-13 19:39:00,777 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:00,929 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:01,403 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:01,563 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-13 19:39:02,164 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-13 19:39:02,434 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:02,590 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:02,829 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:03,305 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:03,472 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:03,993 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-13 19:39:04,517 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-13 19:39:04,690 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:04,910 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:05,106 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:05,288 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:05,541 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:05,977 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:06,223 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:06,397 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:06,874 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point L398(lines 375 399) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 443) no Hoare annotation was computed. [2019-10-13 19:39:06,877 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point L459(lines 432 460) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-10-13 19:39:06,878 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 19:39:06,878 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 19:39:06,879 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 19:39:06,879 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 19:39:06,879 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 19:39:06,879 INFO L439 ceAbstractionStarter]: At program point L287(line 287) 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 19:39:06,879 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 273 297) the Hoare annotation is: true [2019-10-13 19:39:06,879 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-10-13 19:39:06,879 INFO L439 ceAbstractionStarter]: At program point L283(line 283) 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 19:39:06,879 INFO L443 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2019-10-13 19:39:06,880 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 294) no Hoare annotation was computed. [2019-10-13 19:39:06,880 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 273 297) no Hoare annotation was computed. [2019-10-13 19:39:06,880 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-13 19:39:06,880 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-13 19:39:06,880 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 273 297) no Hoare annotation was computed. [2019-10-13 19:39:06,880 INFO L439 ceAbstractionStarter]: At program point L161(line 161) 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 19:39:06,881 INFO L439 ceAbstractionStarter]: At program point L161-1(line 161) 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 19:39:06,881 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 155 177) 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 19:39:06,881 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2019-10-13 19:39:06,881 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2019-10-13 19:39:06,881 INFO L439 ceAbstractionStarter]: At program point L167(line 167) 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 19:39:06,881 INFO L439 ceAbstractionStarter]: At program point L167-1(line 167) 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 19:39:06,882 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2019-10-13 19:39:06,882 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2019-10-13 19:39:06,882 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 19:39:06,882 INFO L439 ceAbstractionStarter]: At program point L162(line 162) 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 19:39:06,882 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-13 19:39:06,882 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-10-13 19:39:06,883 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 867 881) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:39:06,884 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-10-13 19:39:06,884 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 867 881) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:39:06,885 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 867 881) no Hoare annotation was computed. [2019-10-13 19:39:06,885 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 822 830) no Hoare annotation was computed. [2019-10-13 19:39:06,885 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 822 830) the Hoare annotation is: true [2019-10-13 19:39:06,885 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 822 830) no Hoare annotation was computed. [2019-10-13 19:39:06,885 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-13 19:39:06,885 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-10-13 19:39:06,885 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 858) no Hoare annotation was computed. [2019-10-13 19:39:06,886 INFO L443 ceAbstractionStarter]: For program point L850-2(lines 850 858) no Hoare annotation was computed. [2019-10-13 19:39:06,886 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 831 866) no Hoare annotation was computed. [2019-10-13 19:39:06,886 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 831 866) no Hoare annotation was computed. [2019-10-13 19:39:06,886 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-10-13 19:39:06,886 INFO L443 ceAbstractionStarter]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2019-10-13 19:39:06,886 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 831 866) no Hoare annotation was computed. [2019-10-13 19:39:06,886 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 19:39:06,886 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 19:39:06,887 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2019-10-13 19:39:06,887 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2019-10-13 19:39:06,887 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2019-10-13 19:39:06,887 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 645) no Hoare annotation was computed. [2019-10-13 19:39:06,887 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2019-10-13 19:39:06,887 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 652) no Hoare annotation was computed. [2019-10-13 19:39:06,887 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2019-10-13 19:39:06,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2019-10-13 19:39:06,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2019-10-13 19:39:06,888 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 145 154) 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 19:39:06,888 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-13 19:39:06,888 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2019-10-13 19:39:06,888 INFO L446 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: true [2019-10-13 19:39:06,888 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 811 821) the Hoare annotation is: true [2019-10-13 19:39:06,889 INFO L443 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2019-10-13 19:39:06,889 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 811 821) no Hoare annotation was computed. [2019-10-13 19:39:06,889 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 811 821) no Hoare annotation was computed. [2019-10-13 19:39:06,889 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 803 810) the Hoare annotation is: true [2019-10-13 19:39:06,889 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 803 810) no Hoare annotation was computed. [2019-10-13 19:39:06,889 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 803 810) no Hoare annotation was computed. [2019-10-13 19:39:06,889 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 770 794) no Hoare annotation was computed. [2019-10-13 19:39:06,890 INFO L439 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:06,890 INFO L443 ceAbstractionStarter]: For program point L789-1(lines 770 794) no Hoare annotation was computed. [2019-10-13 19:39:06,890 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 770 794) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:06,890 INFO L439 ceAbstractionStarter]: At program point L784(line 784) 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 19:39:06,890 INFO L439 ceAbstractionStarter]: At program point L780(line 780) 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 19:39:06,890 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 786) no Hoare annotation was computed. [2019-10-13 19:39:06,891 INFO L439 ceAbstractionStarter]: At program point L776(line 776) 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 19:39:06,891 INFO L443 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2019-10-13 19:39:06,891 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 791) no Hoare annotation was computed. [2019-10-13 19:39:06,891 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 762 768) no Hoare annotation was computed. [2019-10-13 19:39:06,891 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 762 768) the Hoare annotation is: true [2019-10-13 19:39:06,891 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 666 731) 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 19:39:06,892 INFO L439 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:06,892 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 702) no Hoare annotation was computed. [2019-10-13 19:39:06,892 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2019-10-13 19:39:06,892 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 666 731) no Hoare annotation was computed. [2019-10-13 19:39:06,892 INFO L439 ceAbstractionStarter]: At program point L721(lines 676 723) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:06,892 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 .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:06,893 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2019-10-13 19:39:06,893 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-10-13 19:39:06,893 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-10-13 19:39:06,893 INFO L439 ceAbstractionStarter]: At program point L724(lines 675 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:06,893 INFO L439 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:06,894 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-10-13 19:39:06,894 INFO L439 ceAbstractionStarter]: At program point L712-1(lines 706 719) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:06,894 INFO L443 ceAbstractionStarter]: For program point L677(lines 676 723) no Hoare annotation was computed. [2019-10-13 19:39:06,894 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 666 731) no Hoare annotation was computed. [2019-10-13 19:39:06,894 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 719) no Hoare annotation was computed. [2019-10-13 19:39:06,894 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2019-10-13 19:39:06,894 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 599) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 606) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 239 261) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 255) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 239 261) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2019-10-13 19:39:06,895 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 239 261) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point L539(lines 517 540) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 514) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 565) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point L519(lines 518 538) no Hoare annotation was computed. [2019-10-13 19:39:06,896 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-13 19:39:06,897 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2019-10-13 19:39:06,897 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-10-13 19:39:06,897 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 556) no Hoare annotation was computed. [2019-10-13 19:39:06,897 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-13 19:39:06,897 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-10-13 19:39:06,897 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2019-10-13 19:39:06,897 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 497) no Hoare annotation was computed. [2019-10-13 19:39:06,898 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 568) no Hoare annotation was computed. [2019-10-13 19:39:06,898 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-10-13 19:39:06,898 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2019-10-13 19:39:06,898 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:06,898 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.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~string34.offset| |old(#t~string34.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.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~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2019-10-13 19:39:06,899 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:06,899 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 795 802) no Hoare annotation was computed. [2019-10-13 19:39:06,899 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 795 802) no Hoare annotation was computed. [2019-10-13 19:39:06,899 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 795 802) no Hoare annotation was computed. [2019-10-13 19:39:06,899 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 262 270) the Hoare annotation is: true [2019-10-13 19:39:06,899 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 262 270) no Hoare annotation was computed. [2019-10-13 19:39:06,899 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 262 270) no Hoare annotation was computed. [2019-10-13 19:39:06,899 INFO L443 ceAbstractionStarter]: For program point L222-1(lines 218 229) no Hoare annotation was computed. [2019-10-13 19:39:06,900 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 218 229) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:06,900 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 218 229) no Hoare annotation was computed. [2019-10-13 19:39:06,900 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:06,900 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:06,900 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:06,900 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 738 761) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1)) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:06,900 INFO L439 ceAbstractionStarter]: At program point L751(line 751) 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 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:06,901 INFO L439 ceAbstractionStarter]: At program point L749(lines 749 755) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1)) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:06,901 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 738 761) no Hoare annotation was computed. [2019-10-13 19:39:06,901 INFO L439 ceAbstractionStarter]: At program point L744(line 744) 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 19:39:06,901 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 738 761) no Hoare annotation was computed. [2019-10-13 19:39:06,901 INFO L443 ceAbstractionStarter]: For program point L742(lines 741 760) no Hoare annotation was computed. [2019-10-13 19:39:06,901 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2019-10-13 19:39:06,902 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-10-13 19:39:06,902 INFO L446 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2019-10-13 19:39:06,902 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2019-10-13 19:39:06,902 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 19:39:06,902 INFO L446 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2019-10-13 19:39:06,902 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-10-13 19:39:06,902 INFO L443 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2019-10-13 19:39:06,902 INFO L446 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2019-10-13 19:39:06,903 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-10-13 19:39:06,903 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 230 238) the Hoare annotation is: true [2019-10-13 19:39:06,903 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 230 238) no Hoare annotation was computed. [2019-10-13 19:39:06,903 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 230 238) no Hoare annotation was computed. [2019-10-13 19:39:06,903 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 194 205) the Hoare annotation is: true [2019-10-13 19:39:06,903 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 194 205) no Hoare annotation was computed. [2019-10-13 19:39:06,903 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 194 205) no Hoare annotation was computed. [2019-10-13 19:39:06,903 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2019-10-13 19:39:06,904 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2019-10-13 19:39:06,904 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:06,904 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 19:39:06,904 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:06,904 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:06,904 INFO L443 ceAbstractionStarter]: For program point L210-1(lines 206 217) no Hoare annotation was computed. [2019-10-13 19:39:06,904 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 206 217) no Hoare annotation was computed. [2019-10-13 19:39:06,905 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 206 217) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-13 19:39:06,905 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2019-10-13 19:39:06,905 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2019-10-13 19:39:06,905 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2019-10-13 19:39:06,905 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-13 19:39:06,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:06 BoogieIcfgContainer [2019-10-13 19:39:06,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:06,922 INFO L168 Benchmark]: Toolchain (without parser) took 32037.73 ms. Allocated memory was 137.9 MB in the beginning and 628.1 MB in the end (delta: 490.2 MB). Free memory was 99.7 MB in the beginning and 206.4 MB in the end (delta: -106.7 MB). Peak memory consumption was 480.7 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:06,923 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 19:39:06,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.38 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 99.5 MB in the beginning and 169.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:06,925 INFO L168 Benchmark]: Boogie Preprocessor took 99.72 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:06,926 INFO L168 Benchmark]: RCFGBuilder took 1213.18 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 165.2 MB in the beginning and 199.9 MB in the end (delta: -34.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:06,927 INFO L168 Benchmark]: TraceAbstraction took 30041.69 ms. Allocated memory was 232.8 MB in the beginning and 628.1 MB in the end (delta: 395.3 MB). Free memory was 199.9 MB in the beginning and 206.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 486.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:06,932 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.38 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 99.5 MB in the beginning and 169.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.72 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1213.18 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 165.2 MB in the beginning and 199.9 MB in the end (delta: -34.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30041.69 ms. Allocated memory was 232.8 MB in the beginning and 628.1 MB in the end (delta: 395.3 MB). Free memory was 199.9 MB in the beginning and 206.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 486.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 675]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Result: SAFE, OverallTime: 29.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, HoareTripleCheckerStatistics: 562 SDtfs, 1192 SDslu, 635 SDs, 0 SdLazy, 3097 SolverSat, 825 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s 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=570occurred 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, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1001 HoareAnnotationTreeSize, 618 FomulaSimplifications, 68940 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 15862 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 125709 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...