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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:19,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:19,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:19,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:19,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:19,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:19,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:19,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:19,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:19,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:19,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:19,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:19,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:19,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:19,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:19,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:19,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:19,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:19,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:19,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:19,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:19,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:19,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:19,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:19,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:19,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:19,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:19,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:19,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:19,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:19,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:19,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:19,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:19,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:19,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:19,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:19,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:19,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:19,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:19,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:19,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:19,494 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 [2019-10-07 15:15:19,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:19,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:19,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:19,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:19,511 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:19,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:19,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:19,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:19,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:19,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:19,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:19,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:19,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:19,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:19,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:19,513 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:19,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:19,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:19,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:19,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:19,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:19,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:19,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:19,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:19,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:19,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:19,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:19,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:19,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:15:19,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:19,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:19,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:19,834 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:19,834 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:19,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2019-10-07 15:15:19,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9fa34687/ac3ba48ac62f4d38a56e0d6246603b96/FLAGa4ff6c7fc [2019-10-07 15:15:20,478 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:20,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2019-10-07 15:15:20,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9fa34687/ac3ba48ac62f4d38a56e0d6246603b96/FLAGa4ff6c7fc [2019-10-07 15:15:20,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9fa34687/ac3ba48ac62f4d38a56e0d6246603b96 [2019-10-07 15:15:20,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:20,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:20,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:20,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:20,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:20,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:20" (1/1) ... [2019-10-07 15:15:20,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6b50f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:20, skipping insertion in model container [2019-10-07 15:15:20,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:20" (1/1) ... [2019-10-07 15:15:20,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:20,831 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:21,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:21,341 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:21,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:21,459 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:21,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21 WrapperNode [2019-10-07 15:15:21,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:21,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:21,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:21,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:21,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (1/1) ... [2019-10-07 15:15:21,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (1/1) ... [2019-10-07 15:15:21,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (1/1) ... [2019-10-07 15:15:21,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (1/1) ... [2019-10-07 15:15:21,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (1/1) ... [2019-10-07 15:15:21,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (1/1) ... [2019-10-07 15:15:21,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (1/1) ... [2019-10-07 15:15:21,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:21,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:21,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:21,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:21,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (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 [2019-10-07 15:15:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:23,276 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:23,277 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:23,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:23 BoogieIcfgContainer [2019-10-07 15:15:23,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:23,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:23,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:23,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:23,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:20" (1/3) ... [2019-10-07 15:15:23,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767a00db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:23, skipping insertion in model container [2019-10-07 15:15:23,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:21" (2/3) ... [2019-10-07 15:15:23,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767a00db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:23, skipping insertion in model container [2019-10-07 15:15:23,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:23" (3/3) ... [2019-10-07 15:15:23,287 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2019-10-07 15:15:23,297 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:23,306 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:23,320 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:23,352 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:23,352 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:23,352 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:23,352 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:23,353 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:23,353 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:23,353 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:23,354 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:23,379 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2019-10-07 15:15:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:23,389 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:23,390 INFO L385 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] [2019-10-07 15:15:23,392 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:23,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:23,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1469443040, now seen corresponding path program 1 times [2019-10-07 15:15:23,408 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:23,409 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:23,409 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:23,409 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:23,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:23,759 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:23,759 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:23,760 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:23,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:23,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:23,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:23,781 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2019-10-07 15:15:23,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:23,848 INFO L93 Difference]: Finished difference Result 217 states and 270 transitions. [2019-10-07 15:15:23,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:23,850 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:23,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:23,870 INFO L225 Difference]: With dead ends: 217 [2019-10-07 15:15:23,871 INFO L226 Difference]: Without dead ends: 109 [2019-10-07 15:15:23,876 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:23,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-07 15:15:23,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-10-07 15:15:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-07 15:15:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 129 transitions. [2019-10-07 15:15:23,937 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 129 transitions. Word has length 42 [2019-10-07 15:15:23,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:23,938 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 129 transitions. [2019-10-07 15:15:23,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2019-10-07 15:15:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:23,944 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:23,944 INFO L385 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] [2019-10-07 15:15:23,944 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:23,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:23,946 INFO L82 PathProgramCache]: Analyzing trace with hash -361221504, now seen corresponding path program 1 times [2019-10-07 15:15:23,946 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:23,946 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:23,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:23,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:23,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:24,120 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:24,120 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:24,120 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:24,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:24,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:24,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:24,123 INFO L87 Difference]: Start difference. First operand 109 states and 129 transitions. Second operand 3 states. [2019-10-07 15:15:24,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:24,165 INFO L93 Difference]: Finished difference Result 168 states and 198 transitions. [2019-10-07 15:15:24,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:24,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:24,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:24,174 INFO L225 Difference]: With dead ends: 168 [2019-10-07 15:15:24,175 INFO L226 Difference]: Without dead ends: 101 [2019-10-07 15:15:24,177 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:24,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-07 15:15:24,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-10-07 15:15:24,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-07 15:15:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2019-10-07 15:15:24,194 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 43 [2019-10-07 15:15:24,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:24,195 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2019-10-07 15:15:24,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2019-10-07 15:15:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:15:24,197 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:24,197 INFO L385 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] [2019-10-07 15:15:24,198 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:24,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:24,198 INFO L82 PathProgramCache]: Analyzing trace with hash 239077286, now seen corresponding path program 1 times [2019-10-07 15:15:24,198 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:24,199 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:24,199 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:24,199 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:24,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:24,385 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:24,385 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:24,386 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:24,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:24,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:24,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:24,388 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 7 states. [2019-10-07 15:15:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:24,912 INFO L93 Difference]: Finished difference Result 303 states and 367 transitions. [2019-10-07 15:15:24,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:24,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:15:24,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:24,917 INFO L225 Difference]: With dead ends: 303 [2019-10-07 15:15:24,918 INFO L226 Difference]: Without dead ends: 224 [2019-10-07 15:15:24,919 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:15:24,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-07 15:15:24,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 216. [2019-10-07 15:15:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-10-07 15:15:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2019-10-07 15:15:24,962 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 46 [2019-10-07 15:15:24,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:24,963 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2019-10-07 15:15:24,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2019-10-07 15:15:24,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:15:24,969 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:24,969 INFO L385 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] [2019-10-07 15:15:24,971 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:24,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:24,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1839770346, now seen corresponding path program 1 times [2019-10-07 15:15:24,972 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:24,972 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:24,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:24,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:24,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:25,096 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:25,096 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:25,097 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:25,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:25,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:25,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:25,098 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand 6 states. [2019-10-07 15:15:25,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:25,345 INFO L93 Difference]: Finished difference Result 589 states and 732 transitions. [2019-10-07 15:15:25,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:25,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:15:25,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:25,354 INFO L225 Difference]: With dead ends: 589 [2019-10-07 15:15:25,354 INFO L226 Difference]: Without dead ends: 395 [2019-10-07 15:15:25,358 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:15:25,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-07 15:15:25,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 383. [2019-10-07 15:15:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-10-07 15:15:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 468 transitions. [2019-10-07 15:15:25,425 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 468 transitions. Word has length 51 [2019-10-07 15:15:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:25,426 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 468 transitions. [2019-10-07 15:15:25,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 468 transitions. [2019-10-07 15:15:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:25,429 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:25,429 INFO L385 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] [2019-10-07 15:15:25,430 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:25,430 INFO L82 PathProgramCache]: Analyzing trace with hash -714625591, now seen corresponding path program 1 times [2019-10-07 15:15:25,430 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:25,430 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:25,431 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:25,431 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:25,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:25,529 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:25,529 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:25,530 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:25,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:25,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:25,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:25,531 INFO L87 Difference]: Start difference. First operand 383 states and 468 transitions. Second operand 7 states. [2019-10-07 15:15:25,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:25,869 INFO L93 Difference]: Finished difference Result 631 states and 796 transitions. [2019-10-07 15:15:25,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:25,870 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:15:25,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:25,871 INFO L225 Difference]: With dead ends: 631 [2019-10-07 15:15:25,871 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:25,873 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:15:25,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:25,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:25,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:25,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-07 15:15:25,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:25,875 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:25,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:25,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:25,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:26,996 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 677) no Hoare annotation was computed. [2019-10-07 15:15:26,997 INFO L443 ceAbstractionStarter]: For program point L667-2(lines 667 688) no Hoare annotation was computed. [2019-10-07 15:15:26,997 INFO L443 ceAbstractionStarter]: For program point L689(lines 666 690) no Hoare annotation was computed. [2019-10-07 15:15:26,997 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 642 697) no Hoare annotation was computed. [2019-10-07 15:15:26,997 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 642 697) no Hoare annotation was computed. [2019-10-07 15:15:26,997 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 734) no Hoare annotation was computed. [2019-10-07 15:15:26,997 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 698 757) no Hoare annotation was computed. [2019-10-07 15:15:26,997 INFO L443 ceAbstractionStarter]: For program point L724-2(lines 724 749) no Hoare annotation was computed. [2019-10-07 15:15:26,997 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 698 757) no Hoare annotation was computed. [2019-10-07 15:15:26,998 INFO L443 ceAbstractionStarter]: For program point L750(lines 723 751) no Hoare annotation was computed. [2019-10-07 15:15:26,998 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 698 757) no Hoare annotation was computed. [2019-10-07 15:15:26,998 INFO L443 ceAbstractionStarter]: For program point L743(line 743) no Hoare annotation was computed. [2019-10-07 15:15:26,998 INFO L443 ceAbstractionStarter]: For program point L743-1(line 743) no Hoare annotation was computed. [2019-10-07 15:15:27,001 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 256 262) the Hoare annotation is: true [2019-10-07 15:15:27,001 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 256 262) no Hoare annotation was computed. [2019-10-07 15:15:27,001 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 263 271) no Hoare annotation was computed. [2019-10-07 15:15:27,001 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 263 271) the Hoare annotation is: true [2019-10-07 15:15:27,001 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:15:27,001 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-07 15:15:27,002 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,002 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,002 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,002 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,002 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-07 15:15:27,003 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:15:27,003 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:15:27,003 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:15:27,003 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:15:27,006 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:15:27,006 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:15:27,006 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:15:27,006 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:15:27,006 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:15:27,007 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:15:27,008 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:15:27,008 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:15:27,008 INFO L439 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:27,008 INFO L439 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:27,008 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2019-10-07 15:15:27,008 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:27,008 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-10-07 15:15:27,009 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2019-10-07 15:15:27,009 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:27,009 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 339 363) no Hoare annotation was computed. [2019-10-07 15:15:27,009 INFO L439 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:27,009 INFO L443 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2019-10-07 15:15:27,009 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2019-10-07 15:15:27,009 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:27,010 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-10-07 15:15:27,010 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:15:27,010 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 434 442) no Hoare annotation was computed. [2019-10-07 15:15:27,010 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 434 442) the Hoare annotation is: true [2019-10-07 15:15:27,010 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2019-10-07 15:15:27,010 INFO L446 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2019-10-07 15:15:27,011 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2019-10-07 15:15:27,011 INFO L443 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2019-10-07 15:15:27,011 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-07 15:15:27,011 INFO L443 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2019-10-07 15:15:27,011 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 443 478) no Hoare annotation was computed. [2019-10-07 15:15:27,011 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 443 478) no Hoare annotation was computed. [2019-10-07 15:15:27,011 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 249 255) no Hoare annotation was computed. [2019-10-07 15:15:27,011 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 249 255) the Hoare annotation is: true [2019-10-07 15:15:27,012 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 596 641) no Hoare annotation was computed. [2019-10-07 15:15:27,012 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 596 641) no Hoare annotation was computed. [2019-10-07 15:15:27,012 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 909 954) no Hoare annotation was computed. [2019-10-07 15:15:27,012 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 909 954) no Hoare annotation was computed. [2019-10-07 15:15:27,012 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,012 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:15:27,012 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:15:27,013 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 423 433) the Hoare annotation is: true [2019-10-07 15:15:27,013 INFO L446 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: true [2019-10-07 15:15:27,013 INFO L443 ceAbstractionStarter]: For program point L428-1(line 428) no Hoare annotation was computed. [2019-10-07 15:15:27,013 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 423 433) no Hoare annotation was computed. [2019-10-07 15:15:27,013 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 415 422) the Hoare annotation is: true [2019-10-07 15:15:27,013 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 415 422) no Hoare annotation was computed. [2019-10-07 15:15:27,013 INFO L439 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:27,016 INFO L443 ceAbstractionStarter]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2019-10-07 15:15:27,019 INFO L439 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:27,020 INFO L439 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:27,021 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 365 389) no Hoare annotation was computed. [2019-10-07 15:15:27,021 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 381) no Hoare annotation was computed. [2019-10-07 15:15:27,022 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 365 389) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:27,022 INFO L439 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:27,022 INFO L443 ceAbstractionStarter]: For program point L371-1(line 371) no Hoare annotation was computed. [2019-10-07 15:15:27,022 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 386) no Hoare annotation was computed. [2019-10-07 15:15:27,022 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2019-10-07 15:15:27,022 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2019-10-07 15:15:27,023 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 514 579) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,023 INFO L439 ceAbstractionStarter]: At program point L572(lines 523 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,023 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 514 579) no Hoare annotation was computed. [2019-10-07 15:15:27,023 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,023 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-07 15:15:27,023 INFO L439 ceAbstractionStarter]: At program point L560-1(lines 554 567) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,024 INFO L443 ceAbstractionStarter]: For program point L525(lines 524 571) no Hoare annotation was computed. [2019-10-07 15:15:27,024 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 567) no Hoare annotation was computed. [2019-10-07 15:15:27,024 INFO L439 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,024 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2019-10-07 15:15:27,024 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2019-10-07 15:15:27,024 INFO L439 ceAbstractionStarter]: At program point L569(lines 524 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,025 INFO L439 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:27,025 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-07 15:15:27,025 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2019-10-07 15:15:27,025 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 514 579) no Hoare annotation was computed. [2019-10-07 15:15:27,029 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 863 908) no Hoare annotation was computed. [2019-10-07 15:15:27,030 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 863 908) no Hoare annotation was computed. [2019-10-07 15:15:27,030 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 390 397) no Hoare annotation was computed. [2019-10-07 15:15:27,030 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 390 397) no Hoare annotation was computed. [2019-10-07 15:15:27,030 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 228 236) the Hoare annotation is: true [2019-10-07 15:15:27,030 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 228 236) no Hoare annotation was computed. [2019-10-07 15:15:27,030 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 196 218) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 196 218) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 239 248) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 239 248) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 760 862) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point L830(lines 808 831) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 805) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point L810(lines 809 829) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-07 15:15:27,031 INFO L443 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2019-10-07 15:15:27,032 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 847) no Hoare annotation was computed. [2019-10-07 15:15:27,032 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 760 862) no Hoare annotation was computed. [2019-10-07 15:15:27,032 INFO L443 ceAbstractionStarter]: For program point L825(line 825) no Hoare annotation was computed. [2019-10-07 15:15:27,032 INFO L443 ceAbstractionStarter]: For program point L825-1(line 825) no Hoare annotation was computed. [2019-10-07 15:15:27,032 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 760 862) no Hoare annotation was computed. [2019-10-07 15:15:27,032 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 788) no Hoare annotation was computed. [2019-10-07 15:15:27,032 INFO L443 ceAbstractionStarter]: For program point L809-2(lines 809 829) no Hoare annotation was computed. [2019-10-07 15:15:27,032 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 398 414) no Hoare annotation was computed. [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point L409(line 409) no Hoare annotation was computed. [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 398 414) no Hoare annotation was computed. [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 398 414) no Hoare annotation was computed. [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point L403-1(line 403) no Hoare annotation was computed. [2019-10-07 15:15:27,033 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 219 227) no Hoare annotation was computed. [2019-10-07 15:15:27,034 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 219 227) no Hoare annotation was computed. [2019-10-07 15:15:27,034 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 175 186) the Hoare annotation is: true [2019-10-07 15:15:27,034 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 175 186) no Hoare annotation was computed. [2019-10-07 15:15:27,034 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:27,034 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:27,034 INFO L439 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:15:27,034 INFO L439 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:27,035 INFO L439 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:27,035 INFO L443 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2019-10-07 15:15:27,035 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:27,035 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2019-10-07 15:15:27,035 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2019-10-07 15:15:27,035 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:15:27,035 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:15:27,036 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:15:27,036 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:15:27,036 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:15:27,037 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:15:27,037 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:15:27,037 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:15:27,037 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:15:27,037 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 187 195) the Hoare annotation is: true [2019-10-07 15:15:27,037 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 187 195) no Hoare annotation was computed. [2019-10-07 15:15:27,037 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 151 162) the Hoare annotation is: true [2019-10-07 15:15:27,037 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 151 162) no Hoare annotation was computed. [2019-10-07 15:15:27,038 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:15:27,038 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:15:27,038 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:27,038 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:27,038 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:27,038 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:27,038 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 163 174) no Hoare annotation was computed. [2019-10-07 15:15:27,039 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 163 174) the Hoare annotation is: true [2019-10-07 15:15:27,039 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-10-07 15:15:27,039 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2019-10-07 15:15:27,039 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2019-10-07 15:15:27,039 INFO L439 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:15:27,039 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2019-10-07 15:15:27,039 INFO L439 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:27,040 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 275 299) the Hoare annotation is: true [2019-10-07 15:15:27,040 INFO L443 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2019-10-07 15:15:27,040 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 296) no Hoare annotation was computed. [2019-10-07 15:15:27,040 INFO L443 ceAbstractionStarter]: For program point L283-1(lines 275 299) no Hoare annotation was computed. [2019-10-07 15:15:27,040 INFO L446 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2019-10-07 15:15:27,040 INFO L443 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2019-10-07 15:15:27,040 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 275 299) no Hoare annotation was computed. [2019-10-07 15:15:27,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:27 BoogieIcfgContainer [2019-10-07 15:15:27,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:27,075 INFO L168 Benchmark]: Toolchain (without parser) took 6310.81 ms. Allocated memory was 137.4 MB in the beginning and 298.3 MB in the end (delta: 161.0 MB). Free memory was 101.5 MB in the beginning and 193.4 MB in the end (delta: -91.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:27,077 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:15:27,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.29 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 167.7 MB in the end (delta: -66.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:27,081 INFO L168 Benchmark]: Boogie Preprocessor took 81.20 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 163.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:27,082 INFO L168 Benchmark]: RCFGBuilder took 1736.38 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 163.7 MB in the beginning and 150.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:27,084 INFO L168 Benchmark]: TraceAbstraction took 3791.38 ms. Allocated memory was 232.8 MB in the beginning and 298.3 MB in the end (delta: 65.5 MB). Free memory was 150.1 MB in the beginning and 193.4 MB in the end (delta: -43.3 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:27,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.29 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 167.7 MB in the end (delta: -66.2 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.20 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 163.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1736.38 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 163.7 MB in the beginning and 150.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3791.38 ms. Allocated memory was 232.8 MB in the beginning and 298.3 MB in the end (delta: 65.5 MB). Free memory was 150.1 MB in the beginning and 193.4 MB in the end (delta: -43.3 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 524]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 190 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 607 SDtfs, 397 SDslu, 1085 SDs, 0 SdLazy, 426 SolverSat, 113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 576 PreInvPairs, 618 NumberOfFragments, 516 HoareAnnotationTreeSize, 576 FomulaSimplifications, 401 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 2028 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 20569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...