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_spec5_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:47,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:47,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:47,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:47,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:47,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:47,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:47,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:47,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:47,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:47,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:47,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:47,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:47,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:47,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:47,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:47,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:47,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:47,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:47,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:47,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:47,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:47,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:47,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:47,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:47,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:47,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:47,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:47,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:47,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:47,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:47,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:47,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:47,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:47,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:47,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:47,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:47,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:47,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:47,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:47,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:47,556 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 23:17:47,569 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:47,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:47,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:47,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:47,571 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:47,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:47,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:47,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:47,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:47,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:47,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:47,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:47,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:47,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:47,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:47,573 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:47,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:47,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:47,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:47,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:47,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:47,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:47,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:47,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:47,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:47,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:47,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:47,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:47,575 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 [2019-10-13 23:17:47,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:47,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:47,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:47,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:47,894 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:47,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-10-13 23:17:47,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a0623da/22a761a903f742679fc11713efbab071/FLAG9f74a7e40 [2019-10-13 23:17:48,511 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:48,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-10-13 23:17:48,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a0623da/22a761a903f742679fc11713efbab071/FLAG9f74a7e40 [2019-10-13 23:17:48,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1a0623da/22a761a903f742679fc11713efbab071 [2019-10-13 23:17:48,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:48,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:48,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:48,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:48,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:48,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626b4f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48, skipping insertion in model container [2019-10-13 23:17:48,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:48,888 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:49,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:49,332 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:49,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:49,522 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:49,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49 WrapperNode [2019-10-13 23:17:49,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:49,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:49,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:49,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:49,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (1/1) ... [2019-10-13 23:17:49,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:49,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:49,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:49,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:49,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (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 23:17:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:49,711 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:49,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:49,712 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:17:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:17:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:17:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:17:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:51,391 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:51,391 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:51,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:51 BoogieIcfgContainer [2019-10-13 23:17:51,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:51,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:51,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:51,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:51,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:48" (1/3) ... [2019-10-13 23:17:51,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1e419e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:51, skipping insertion in model container [2019-10-13 23:17:51,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:49" (2/3) ... [2019-10-13 23:17:51,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1e419e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:51, skipping insertion in model container [2019-10-13 23:17:51,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:51" (3/3) ... [2019-10-13 23:17:51,403 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2019-10-13 23:17:51,415 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:51,428 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:51,440 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:51,485 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:51,485 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:51,486 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:51,486 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:51,487 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:51,487 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:51,487 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:51,487 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-10-13 23:17:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:51,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:51,533 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:51,536 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:51,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:51,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1904986549, now seen corresponding path program 1 times [2019-10-13 23:17:51,555 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:51,556 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382962004] [2019-10-13 23:17:51,556 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:52,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382962004] [2019-10-13 23:17:52,005 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:52,005 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:52,006 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358517145] [2019-10-13 23:17:52,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:52,011 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:52,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:52,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:52,026 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2019-10-13 23:17:52,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:52,061 INFO L93 Difference]: Finished difference Result 188 states and 227 transitions. [2019-10-13 23:17:52,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:52,062 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:52,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:52,075 INFO L225 Difference]: With dead ends: 188 [2019-10-13 23:17:52,075 INFO L226 Difference]: Without dead ends: 96 [2019-10-13 23:17:52,080 INFO L600 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 [2019-10-13 23:17:52,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-13 23:17:52,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-13 23:17:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-13 23:17:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2019-10-13 23:17:52,131 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 52 [2019-10-13 23:17:52,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:52,131 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2019-10-13 23:17:52,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2019-10-13 23:17:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:52,135 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:52,135 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:52,136 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:52,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:52,136 INFO L82 PathProgramCache]: Analyzing trace with hash -120690570, now seen corresponding path program 1 times [2019-10-13 23:17:52,137 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:52,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685447896] [2019-10-13 23:17:52,137 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:52,137 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:52,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:52,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685447896] [2019-10-13 23:17:52,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:52,307 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:52,307 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094475591] [2019-10-13 23:17:52,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:52,310 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:52,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:52,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:52,311 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 3 states. [2019-10-13 23:17:52,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:52,356 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2019-10-13 23:17:52,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:52,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:52,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:52,360 INFO L225 Difference]: With dead ends: 146 [2019-10-13 23:17:52,360 INFO L226 Difference]: Without dead ends: 88 [2019-10-13 23:17:52,364 INFO L600 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 [2019-10-13 23:17:52,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-13 23:17:52,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-13 23:17:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-13 23:17:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-10-13 23:17:52,389 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 53 [2019-10-13 23:17:52,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:52,390 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-10-13 23:17:52,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-10-13 23:17:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 23:17:52,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:52,398 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:52,398 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:52,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:52,401 INFO L82 PathProgramCache]: Analyzing trace with hash 552226031, now seen corresponding path program 1 times [2019-10-13 23:17:52,401 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:52,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423350430] [2019-10-13 23:17:52,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:52,402 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:52,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:52,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423350430] [2019-10-13 23:17:52,661 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:52,661 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:52,661 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640088835] [2019-10-13 23:17:52,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:52,662 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:52,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:52,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:52,663 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 7 states. [2019-10-13 23:17:52,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:52,987 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2019-10-13 23:17:52,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:17:52,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-13 23:17:52,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:52,990 INFO L225 Difference]: With dead ends: 151 [2019-10-13 23:17:52,990 INFO L226 Difference]: Without dead ends: 88 [2019-10-13 23:17:52,991 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:17:52,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-13 23:17:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-13 23:17:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-13 23:17:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-10-13 23:17:53,012 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 55 [2019-10-13 23:17:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:53,017 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-10-13 23:17:53,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-10-13 23:17:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-13 23:17:53,019 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:53,019 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:53,019 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:53,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:53,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1642906382, now seen corresponding path program 1 times [2019-10-13 23:17:53,020 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:53,020 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057917336] [2019-10-13 23:17:53,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:53,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:53,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:17:53,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057917336] [2019-10-13 23:17:53,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:53,137 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:53,137 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477352259] [2019-10-13 23:17:53,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:53,138 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:53,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:53,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:53,139 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 7 states. [2019-10-13 23:17:53,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:53,489 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2019-10-13 23:17:53,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:17:53,490 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-10-13 23:17:53,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:53,492 INFO L225 Difference]: With dead ends: 133 [2019-10-13 23:17:53,494 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:53,495 INFO L600 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 [2019-10-13 23:17:53,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:53,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:53,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-10-13 23:17:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:53,501 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:53,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:53,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:53,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:53,955 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-10-13 23:17:53,955 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-10-13 23:17:53,955 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-10-13 23:17:53,955 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-13 23:17:53,956 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-13 23:17:53,957 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 23:17:53,957 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 23:17:53,957 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 23:17:53,957 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 23:17:53,957 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 448 455) the Hoare annotation is: true [2019-10-13 23:17:53,958 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2019-10-13 23:17:53,958 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 456 465) the Hoare annotation is: true [2019-10-13 23:17:53,958 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 23:17:53,958 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 456 465) no Hoare annotation was computed. [2019-10-13 23:17:53,958 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,958 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-13 23:17:53,959 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 488) no Hoare annotation was computed. [2019-10-13 23:17:53,959 INFO L446 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2019-10-13 23:17:53,959 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-10-13 23:17:53,959 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 491) no Hoare annotation was computed. [2019-10-13 23:17:53,959 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2019-10-13 23:17:53,959 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-10-13 23:17:53,959 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-10-13 23:17:53,960 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 466 494) the Hoare annotation is: true [2019-10-13 23:17:53,960 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 466 494) no Hoare annotation was computed. [2019-10-13 23:17:53,960 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,960 INFO L439 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,960 INFO L439 ceAbstractionStarter]: At program point L672-1(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,960 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 666 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,961 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 666 688) no Hoare annotation was computed. [2019-10-13 23:17:53,961 INFO L439 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,961 INFO L439 ceAbstractionStarter]: At program point L678-1(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:53,961 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 683) no Hoare annotation was computed. [2019-10-13 23:17:53,961 INFO L443 ceAbstractionStarter]: For program point L676-1(lines 676 683) no Hoare annotation was computed. [2019-10-13 23:17:53,962 INFO L443 ceAbstractionStarter]: For program point L674(line 674) no Hoare annotation was computed. [2019-10-13 23:17:53,962 INFO L443 ceAbstractionStarter]: For program point L641(line 641) no Hoare annotation was computed. [2019-10-13 23:17:53,962 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-10-13 23:17:53,962 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 623 646) no Hoare annotation was computed. [2019-10-13 23:17:53,962 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-13 23:17:53,962 INFO L443 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2019-10-13 23:17:53,962 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-10-13 23:17:53,963 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 623 646) no Hoare annotation was computed. [2019-10-13 23:17:53,963 INFO L443 ceAbstractionStarter]: For program point L636(line 636) no Hoare annotation was computed. [2019-10-13 23:17:53,963 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 623 646) no Hoare annotation was computed. [2019-10-13 23:17:53,963 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-13 23:17:53,963 INFO L443 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2019-10-13 23:17:53,963 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-13 23:17:53,963 INFO L443 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2019-10-13 23:17:53,963 INFO L443 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2019-10-13 23:17:53,964 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-13 23:17:53,964 INFO L443 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2019-10-13 23:17:53,964 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-13 23:17:53,964 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 722 728) no Hoare annotation was computed. [2019-10-13 23:17:53,964 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 722 728) the Hoare annotation is: true [2019-10-13 23:17:53,964 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 755 762) no Hoare annotation was computed. [2019-10-13 23:17:53,964 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 755 762) no Hoare annotation was computed. [2019-10-13 23:17:53,965 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2019-10-13 23:17:53,965 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2019-10-13 23:17:53,965 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 808 843) no Hoare annotation was computed. [2019-10-13 23:17:53,965 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-13 23:17:53,965 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-10-13 23:17:53,965 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 808 843) no Hoare annotation was computed. [2019-10-13 23:17:53,965 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 23:17:53,966 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 23:17:53,966 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-10-13 23:17:53,966 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-10-13 23:17:53,966 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-10-13 23:17:53,966 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-10-13 23:17:53,966 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 655 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,966 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 655 665) no Hoare annotation was computed. [2019-10-13 23:17:53,967 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 655 665) no Hoare annotation was computed. [2019-10-13 23:17:53,967 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,967 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 788 798) the Hoare annotation is: true [2019-10-13 23:17:53,967 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 788 798) no Hoare annotation was computed. [2019-10-13 23:17:53,967 INFO L446 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2019-10-13 23:17:53,967 INFO L443 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2019-10-13 23:17:53,967 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 780 787) the Hoare annotation is: true [2019-10-13 23:17:53,968 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2019-10-13 23:17:53,968 INFO L439 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,968 INFO L443 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-10-13 23:17:53,968 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2019-10-13 23:17:53,968 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2019-10-13 23:17:53,968 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,968 INFO L439 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,969 INFO L443 ceAbstractionStarter]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2019-10-13 23:17:53,969 INFO L439 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,969 INFO L439 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,969 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 746) no Hoare annotation was computed. [2019-10-13 23:17:53,969 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-10-13 23:17:53,969 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2019-10-13 23:17:53,969 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 845 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,970 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 845 908) no Hoare annotation was computed. [2019-10-13 23:17:53,970 INFO L439 ceAbstractionStarter]: At program point L901(lines 854 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,970 INFO L439 ceAbstractionStarter]: At program point L891-2(lines 885 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,970 INFO L443 ceAbstractionStarter]: For program point L856(lines 855 900) no Hoare annotation was computed. [2019-10-13 23:17:53,970 INFO L439 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,970 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 881) no Hoare annotation was computed. [2019-10-13 23:17:53,970 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2019-10-13 23:17:53,971 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,971 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 845 908) no Hoare annotation was computed. [2019-10-13 23:17:53,971 INFO L439 ceAbstractionStarter]: At program point L898(lines 855 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,971 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-10-13 23:17:53,971 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-10-13 23:17:53,971 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 548 570) no Hoare annotation was computed. [2019-10-13 23:17:53,971 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 548 570) no Hoare annotation was computed. [2019-10-13 23:17:53,972 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:17:53,972 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:17:53,972 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:17:53,972 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-10-13 23:17:53,972 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-10-13 23:17:53,972 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-10-13 23:17:53,972 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-13 23:17:53,973 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-13 23:17:53,973 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-10-13 23:17:53,973 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:17:53,973 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-13 23:17:53,973 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-13 23:17:53,973 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:17:53,973 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-13 23:17:53,974 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-10-13 23:17:53,974 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:17:53,974 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,974 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-10-13 23:17:53,974 INFO L443 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2019-10-13 23:17:53,974 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 763 779) no Hoare annotation was computed. [2019-10-13 23:17:53,975 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 763 779) no Hoare annotation was computed. [2019-10-13 23:17:53,975 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-13 23:17:53,975 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 763 779) no Hoare annotation was computed. [2019-10-13 23:17:53,975 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-13 23:17:53,975 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 571 579) the Hoare annotation is: true [2019-10-13 23:17:53,975 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 571 579) no Hoare annotation was computed. [2019-10-13 23:17:53,975 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,975 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,976 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 527 538) the Hoare annotation is: true [2019-10-13 23:17:53,976 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 527 538) no Hoare annotation was computed. [2019-10-13 23:17:53,976 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 539 547) the Hoare annotation is: true [2019-10-13 23:17:53,976 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 539 547) no Hoare annotation was computed. [2019-10-13 23:17:53,976 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,976 INFO L443 ceAbstractionStarter]: For program point L702(lines 698 720) no Hoare annotation was computed. [2019-10-13 23:17:53,977 INFO L443 ceAbstractionStarter]: For program point L700(lines 698 720) no Hoare annotation was computed. [2019-10-13 23:17:53,977 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,977 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 721) no Hoare annotation was computed. [2019-10-13 23:17:53,977 INFO L439 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,977 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 721) no Hoare annotation was computed. [2019-10-13 23:17:53,977 INFO L439 ceAbstractionStarter]: At program point L709(lines 709 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:53,978 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 592 621) no Hoare annotation was computed. [2019-10-13 23:17:53,978 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-10-13 23:17:53,978 INFO L446 ceAbstractionStarter]: At program point L606-1(lines 606 610) the Hoare annotation is: true [2019-10-13 23:17:53,978 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 592 621) the Hoare annotation is: true [2019-10-13 23:17:53,978 INFO L446 ceAbstractionStarter]: At program point L602-2(lines 602 616) the Hoare annotation is: true [2019-10-13 23:17:53,978 INFO L446 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2019-10-13 23:17:53,978 INFO L443 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2019-10-13 23:17:53,979 INFO L446 ceAbstractionStarter]: At program point L617(lines 592 621) the Hoare annotation is: true [2019-10-13 23:17:53,979 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-13 23:17:53,979 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 503 514) the Hoare annotation is: true [2019-10-13 23:17:53,979 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 503 514) no Hoare annotation was computed. [2019-10-13 23:17:53,979 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 647 653) no Hoare annotation was computed. [2019-10-13 23:17:53,979 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 647 653) the Hoare annotation is: true [2019-10-13 23:17:53,979 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,980 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:53,980 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:53,980 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:53,980 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 515 526) no Hoare annotation was computed. [2019-10-13 23:17:53,980 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 515 526) the Hoare annotation is: true [2019-10-13 23:17:53,980 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2019-10-13 23:17:53,980 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-10-13 23:17:53,981 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2019-10-13 23:17:53,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:53 BoogieIcfgContainer [2019-10-13 23:17:53,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:53,998 INFO L168 Benchmark]: Toolchain (without parser) took 5166.79 ms. Allocated memory was 144.7 MB in the beginning and 248.5 MB in the end (delta: 103.8 MB). Free memory was 101.4 MB in the beginning and 184.5 MB in the end (delta: -83.2 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:53,999 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:54,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.06 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 169.9 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:54,001 INFO L168 Benchmark]: Boogie Preprocessor took 115.59 ms. Allocated memory is still 202.4 MB. Free memory was 169.2 MB in the beginning and 165.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:54,002 INFO L168 Benchmark]: RCFGBuilder took 1753.68 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.1 MB in the beginning and 150.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:54,003 INFO L168 Benchmark]: TraceAbstraction took 2600.00 ms. Allocated memory was 234.4 MB in the beginning and 248.5 MB in the end (delta: 14.2 MB). Free memory was 150.6 MB in the beginning and 184.5 MB in the end (delta: -33.9 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:54,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.06 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 169.9 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.59 ms. Allocated memory is still 202.4 MB. Free memory was 169.2 MB in the beginning and 165.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1753.68 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.1 MB in the beginning and 150.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2600.00 ms. Allocated memory was 234.4 MB in the beginning and 248.5 MB in the end (delta: 14.2 MB). Free memory was 150.6 MB in the beginning and 184.5 MB in the end (delta: -33.9 MB). Peak memory consumption was 80.0 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: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 363 SDtfs, 149 SDslu, 367 SDs, 0 SdLazy, 253 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...