java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 08:42:11,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 08:42:11,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 08:42:11,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 08:42:11,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 08:42:11,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 08:42:11,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 08:42:11,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 08:42:11,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 08:42:11,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 08:42:11,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 08:42:11,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 08:42:11,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 08:42:11,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 08:42:11,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 08:42:11,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 08:42:11,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 08:42:11,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 08:42:11,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 08:42:11,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 08:42:11,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 08:42:11,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 08:42:11,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 08:42:11,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 08:42:11,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 08:42:11,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 08:42:11,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 08:42:11,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 08:42:11,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 08:42:11,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 08:42:11,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 08:42:11,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 08:42:11,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 08:42:11,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 08:42:11,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 08:42:11,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 08:42:11,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 08:42:11,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 08:42:11,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 08:42:11,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 08:42:11,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 08:42:11,536 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 [2019-09-19 08:42:11,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 08:42:11,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 08:42:11,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 08:42:11,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 08:42:11,553 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 08:42:11,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 08:42:11,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 08:42:11,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 08:42:11,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 08:42:11,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 08:42:11,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 08:42:11,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 08:42:11,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 08:42:11,555 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 08:42:11,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 08:42:11,555 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 08:42:11,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 08:42:11,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 08:42:11,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 08:42:11,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 08:42:11,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 08:42:11,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 08:42:11,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 08:42:11,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 08:42:11,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 08:42:11,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 08:42:11,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 08:42:11,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 08:42:11,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 08:42:11,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 08:42:11,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 08:42:11,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 08:42:11,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 08:42:11,613 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 08:42:11,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-19 08:42:11,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41962c844/fdc6bde556764caa8d5d0ff8764f51bb/FLAG0aa01240c [2019-09-19 08:42:12,127 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 08:42:12,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-19 08:42:12,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41962c844/fdc6bde556764caa8d5d0ff8764f51bb/FLAG0aa01240c [2019-09-19 08:42:12,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41962c844/fdc6bde556764caa8d5d0ff8764f51bb [2019-09-19 08:42:12,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 08:42:12,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 08:42:12,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 08:42:12,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 08:42:12,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 08:42:12,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:42:12" (1/1) ... [2019-09-19 08:42:12,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:12, skipping insertion in model container [2019-09-19 08:42:12,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:42:12" (1/1) ... [2019-09-19 08:42:12,538 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 08:42:12,611 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 08:42:13,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 08:42:13,172 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 08:42:13,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 08:42:13,316 INFO L192 MainTranslator]: Completed translation [2019-09-19 08:42:13,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13 WrapperNode [2019-09-19 08:42:13,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 08:42:13,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 08:42:13,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 08:42:13,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 08:42:13,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13" (1/1) ... [2019-09-19 08:42:13,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13" (1/1) ... [2019-09-19 08:42:13,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13" (1/1) ... [2019-09-19 08:42:13,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13" (1/1) ... [2019-09-19 08:42:13,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13" (1/1) ... [2019-09-19 08:42:13,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13" (1/1) ... [2019-09-19 08:42:13,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13" (1/1) ... [2019-09-19 08:42:13,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 08:42:13,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 08:42:13,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 08:42:13,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 08:42:13,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:42:13" (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 [2019-09-19 08:42:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 08:42:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 08:42:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 08:42:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 08:42:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 08:42:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 08:42:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 08:42:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 08:42:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 08:42:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 08:42:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 08:42:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 08:42:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 08:42:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 08:42:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 08:42:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 08:42:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 08:42:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 08:42:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 08:42:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 08:42:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 08:42:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 08:42:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 08:42:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 08:42:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 08:42:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 08:42:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 08:42:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 08:42:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 08:42:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 08:42:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 08:42:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 08:42:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 08:42:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 08:42:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 08:42:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 08:42:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 08:42:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 08:42:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 08:42:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 08:42:13,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 08:42:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 08:42:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 08:42:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 08:42:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 08:42:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 08:42:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 08:42:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 08:42:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 08:42:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 08:42:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 08:42:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 08:42:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 08:42:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 08:42:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 08:42:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 08:42:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 08:42:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 08:42:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 08:42:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 08:42:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 08:42:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 08:42:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 08:42:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 08:42:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 08:42:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 08:42:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 08:42:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 08:42:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 08:42:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 08:42:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 08:42:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 08:42:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 08:42:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 08:42:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 08:42:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 08:42:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 08:42:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 08:42:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 08:42:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 08:42:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 08:42:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 08:42:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 08:42:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 08:42:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 08:42:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 08:42:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 08:42:13,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 08:42:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 08:42:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 08:42:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 08:42:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 08:42:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 08:42:13,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 08:42:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 08:42:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 08:42:14,966 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 08:42:14,966 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 08:42:14,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:42:14 BoogieIcfgContainer [2019-09-19 08:42:14,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 08:42:14,968 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 08:42:14,968 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 08:42:14,969 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 08:42:14,970 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:42:14" (1/1) ... [2019-09-19 08:42:14,971 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 08:42:14,994 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 08:42:14,994 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 08:42:15,003 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 08:42:15,011 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 08:42:15,013 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 08:42:28,096 WARN L191 SmtUtils]: Spent 12.97 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 08:42:41,225 WARN L191 SmtUtils]: Spent 13.13 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 08:43:05,941 WARN L191 SmtUtils]: Spent 14.61 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 08:43:07,615 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 08:43:11,351 WARN L191 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 08:43:11,360 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 08:43:13,101 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 08:43:14,786 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 08:43:16,493 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 08:43:18,229 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 08:43:19,954 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 08:43:21,705 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 08:43:23,394 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 08:43:25,095 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 08:43:25,102 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 08:43:26,818 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 08:43:28,526 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 08:43:28,536 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 08:43:32,107 WARN L191 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-19 08:43:33,789 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-19 08:43:44,741 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-19 08:43:50,040 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 08:44:00,988 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-19 08:44:06,347 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 08:44:16,594 WARN L191 SmtUtils]: Spent 10.21 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-19 08:44:21,656 WARN L191 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-19 08:44:38,943 WARN L191 SmtUtils]: Spent 17.27 s on a formula simplification. DAG size of input: 470 DAG size of output: 466 [2019-09-19 08:44:46,203 WARN L191 SmtUtils]: Spent 7.26 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 08:44:52,468 WARN L191 SmtUtils]: Spent 6.22 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:44:58,571 WARN L191 SmtUtils]: Spent 6.10 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:45:24,072 WARN L191 SmtUtils]: Spent 25.46 s on a formula simplification. DAG size of input: 503 DAG size of output: 494 [2019-09-19 08:45:35,361 WARN L191 SmtUtils]: Spent 11.29 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-19 08:45:36,364 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 1 [2019-09-19 08:45:47,055 WARN L191 SmtUtils]: Spent 10.69 s on a formula simplification. DAG size of input: 453 DAG size of output: 442 [2019-09-19 08:45:52,580 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 08:46:04,167 WARN L191 SmtUtils]: Spent 11.43 s on a formula simplification. DAG size of input: 437 DAG size of output: 435 [2019-09-19 08:46:09,854 WARN L191 SmtUtils]: Spent 5.69 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:46:21,385 WARN L191 SmtUtils]: Spent 11.53 s on a formula simplification. DAG size of input: 440 DAG size of output: 437 [2019-09-19 08:46:27,135 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 08:46:38,602 WARN L191 SmtUtils]: Spent 11.46 s on a formula simplification. DAG size of input: 439 DAG size of output: 437 [2019-09-19 08:46:44,233 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 08:47:03,765 WARN L191 SmtUtils]: Spent 19.52 s on a formula simplification. DAG size of input: 460 DAG size of output: 441 [2019-09-19 08:47:07,566 WARN L191 SmtUtils]: Spent 3.80 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:47:11,524 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 08:47:15,395 WARN L191 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 08:47:21,160 WARN L191 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 443 DAG size of output: 433 [2019-09-19 08:47:22,879 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:47:32,824 WARN L191 SmtUtils]: Spent 9.90 s on a formula simplification. DAG size of input: 452 DAG size of output: 443 [2019-09-19 08:47:37,661 WARN L191 SmtUtils]: Spent 4.84 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 08:47:42,499 WARN L191 SmtUtils]: Spent 4.84 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 08:47:47,260 WARN L191 SmtUtils]: Spent 4.76 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 08:47:56,497 WARN L191 SmtUtils]: Spent 9.23 s on a formula simplification. DAG size of input: 451 DAG size of output: 440 [2019-09-19 08:48:00,114 WARN L191 SmtUtils]: Spent 3.62 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 08:48:12,419 WARN L191 SmtUtils]: Spent 12.13 s on a formula simplification. DAG size of input: 466 DAG size of output: 445 [2019-09-19 08:48:14,803 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-19 08:48:58,690 WARN L191 SmtUtils]: Spent 43.83 s on a formula simplification. DAG size of input: 597 DAG size of output: 511 [2019-09-19 08:49:09,621 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification that was a NOOP. DAG size: 511 [2019-09-19 08:49:22,508 WARN L191 SmtUtils]: Spent 12.83 s on a formula simplification. DAG size of input: 460 DAG size of output: 442 [2019-09-19 08:49:25,284 WARN L191 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 08:49:54,574 WARN L191 SmtUtils]: Spent 29.27 s on a formula simplification. DAG size of input: 545 DAG size of output: 497 [2019-09-19 08:50:01,694 WARN L191 SmtUtils]: Spent 7.12 s on a formula simplification that was a NOOP. DAG size: 497 [2019-09-19 08:50:12,338 WARN L191 SmtUtils]: Spent 10.58 s on a formula simplification. DAG size of input: 452 DAG size of output: 440 [2019-09-19 08:50:16,810 WARN L191 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 08:50:34,184 WARN L191 SmtUtils]: Spent 17.35 s on a formula simplification. DAG size of input: 505 DAG size of output: 471 [2019-09-19 08:50:39,097 WARN L191 SmtUtils]: Spent 4.91 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 08:51:17,133 WARN L191 SmtUtils]: Spent 38.03 s on a formula simplification. DAG size of input: 507 DAG size of output: 494 [2019-09-19 08:51:26,174 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-19 08:52:15,684 WARN L191 SmtUtils]: Spent 49.51 s on a formula simplification. DAG size of input: 529 DAG size of output: 491 [2019-09-19 08:52:24,342 WARN L191 SmtUtils]: Spent 8.66 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-19 08:52:43,115 WARN L191 SmtUtils]: Spent 18.74 s on a formula simplification. DAG size of input: 525 DAG size of output: 494 [2019-09-19 08:52:52,119 WARN L191 SmtUtils]: Spent 9.00 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-19 08:52:53,224 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 462 DAG size of output: 1 [2019-09-19 08:53:01,598 WARN L191 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 458 DAG size of output: 443 [2019-09-19 08:53:05,740 WARN L191 SmtUtils]: Spent 4.14 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-19 08:53:14,778 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification. DAG size of input: 437 DAG size of output: 435 [2019-09-19 08:53:19,253 WARN L191 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 08:53:28,202 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification. DAG size of input: 440 DAG size of output: 437 [2019-09-19 08:53:32,715 WARN L191 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 08:53:41,712 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification. DAG size of input: 439 DAG size of output: 437 [2019-09-19 08:53:46,215 WARN L191 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-19 08:53:56,166 WARN L191 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 457 DAG size of output: 441 [2019-09-19 08:54:00,816 WARN L191 SmtUtils]: Spent 4.65 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:54:05,369 WARN L191 SmtUtils]: Spent 4.54 s on a formula simplification that was a NOOP. DAG size: 439 [2019-09-19 08:54:09,896 WARN L191 SmtUtils]: Spent 4.53 s on a formula simplification that was a NOOP. DAG size: 439 [2019-09-19 08:54:16,555 WARN L191 SmtUtils]: Spent 6.62 s on a formula simplification. DAG size of input: 445 DAG size of output: 433 [2019-09-19 08:54:20,003 WARN L191 SmtUtils]: Spent 3.45 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 08:54:35,399 WARN L191 SmtUtils]: Spent 15.36 s on a formula simplification. DAG size of input: 454 DAG size of output: 441 [2019-09-19 08:54:40,394 WARN L191 SmtUtils]: Spent 4.99 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:54:45,408 WARN L191 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:54:50,459 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:55:00,583 WARN L191 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 452 DAG size of output: 441 [2019-09-19 08:55:05,222 WARN L191 SmtUtils]: Spent 4.64 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 08:55:18,160 WARN L191 SmtUtils]: Spent 12.83 s on a formula simplification. DAG size of input: 471 DAG size of output: 445 [2019-09-19 08:55:22,954 WARN L191 SmtUtils]: Spent 4.79 s on a formula simplification that was a NOOP. DAG size: 445