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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 22:45:13,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 22:45:13,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 22:45:13,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 22:45:13,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 22:45:13,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 22:45:13,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 22:45:13,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 22:45:13,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 22:45:13,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 22:45:13,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 22:45:13,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 22:45:13,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 22:45:13,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 22:45:13,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 22:45:13,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 22:45:13,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 22:45:13,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 22:45:13,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 22:45:13,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 22:45:13,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 22:45:13,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 22:45:13,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 22:45:13,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 22:45:13,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 22:45:13,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 22:45:13,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 22:45:13,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 22:45:13,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 22:45:13,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 22:45:13,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 22:45:13,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 22:45:13,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 22:45:13,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 22:45:13,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 22:45:13,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 22:45:13,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 22:45:13,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 22:45:13,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 22:45:13,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 22:45:13,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 22:45:13,581 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 [2019-09-18 22:45:13,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 22:45:13,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 22:45:13,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 22:45:13,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 22:45:13,607 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 22:45:13,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 22:45:13,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 22:45:13,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 22:45:13,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 22:45:13,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 22:45:13,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 22:45:13,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 22:45:13,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 22:45:13,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 22:45:13,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 22:45:13,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 22:45:13,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 22:45:13,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 22:45:13,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 22:45:13,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 22:45:13,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 22:45:13,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 22:45:13,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 22:45:13,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 22:45:13,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 22:45:13,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 22:45:13,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 22:45:13,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 22:45:13,613 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 -> ReUseSupersetCallSummarizer 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 [2019-09-18 22:45:13,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 22:45:13,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 22:45:13,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 22:45:13,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 22:45:13,684 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 22:45:13,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-09-18 22:45:13,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263d15d37/334908c47ded4730969b87df46a745d6/FLAG42ec8fddd [2019-09-18 22:45:14,273 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 22:45:14,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-09-18 22:45:14,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263d15d37/334908c47ded4730969b87df46a745d6/FLAG42ec8fddd [2019-09-18 22:45:14,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263d15d37/334908c47ded4730969b87df46a745d6 [2019-09-18 22:45:14,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 22:45:14,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 22:45:14,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 22:45:14,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 22:45:14,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 22:45:14,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:45:14" (1/1) ... [2019-09-18 22:45:14,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f9f380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:14, skipping insertion in model container [2019-09-18 22:45:14,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:45:14" (1/1) ... [2019-09-18 22:45:14,609 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 22:45:14,671 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 22:45:15,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:45:15,133 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 22:45:15,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:45:15,259 INFO L192 MainTranslator]: Completed translation [2019-09-18 22:45:15,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15 WrapperNode [2019-09-18 22:45:15,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 22:45:15,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 22:45:15,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 22:45:15,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 22:45:15,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15" (1/1) ... [2019-09-18 22:45:15,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15" (1/1) ... [2019-09-18 22:45:15,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15" (1/1) ... [2019-09-18 22:45:15,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15" (1/1) ... [2019-09-18 22:45:15,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15" (1/1) ... [2019-09-18 22:45:15,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15" (1/1) ... [2019-09-18 22:45:15,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15" (1/1) ... [2019-09-18 22:45:15,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 22:45:15,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 22:45:15,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 22:45:15,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 22:45:15,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:45:15" (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 [2019-09-18 22:45:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 22:45:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 22:45:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 22:45:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 22:45:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 22:45:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 22:45:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 22:45:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 22:45:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 22:45:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 22:45:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 22:45:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 22:45:15,450 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 22:45:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 22:45:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 22:45:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 22:45:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 22:45:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 22:45:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 22:45:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 22:45:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 22:45:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 22:45:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 22:45:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 22:45:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 22:45:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 22:45:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 22:45:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 22:45:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 22:45:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 22:45:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 22:45:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:45:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:45:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 22:45:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 22:45:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 22:45:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 22:45:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 22:45:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 22:45:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 22:45:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 22:45:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 22:45:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 22:45:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 22:45:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 22:45:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 22:45:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 22:45:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 22:45:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 22:45:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:45:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 22:45:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 22:45:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 22:45:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 22:45:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 22:45:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 22:45:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 22:45:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 22:45:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 22:45:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 22:45:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 22:45:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 22:45:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 22:45:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 22:45:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:45:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 22:45:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 22:45:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 22:45:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 22:45:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 22:45:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 22:45:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 22:45:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 22:45:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 22:45:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 22:45:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 22:45:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 22:45:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 22:45:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 22:45:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 22:45:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 22:45:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 22:45:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 22:45:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 22:45:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 22:45:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 22:45:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 22:45:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 22:45:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 22:45:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 22:45:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 22:45:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 22:45:16,966 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 22:45:16,966 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 22:45:16,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:45:16 BoogieIcfgContainer [2019-09-18 22:45:16,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 22:45:16,968 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 22:45:16,968 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 22:45:16,969 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 22:45:16,970 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:45:16" (1/1) ... [2019-09-18 22:45:16,970 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 22:45:17,006 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 22:45:17,006 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 22:45:17,017 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 22:45:17,028 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 22:45:17,029 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 22:45:28,918 WARN L191 SmtUtils]: Spent 11.77 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:45:40,071 WARN L191 SmtUtils]: Spent 11.15 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:46:03,447 WARN L191 SmtUtils]: Spent 14.58 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 22:46:05,099 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 22:46:08,722 WARN L191 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 22:46:08,730 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-18 22:46:10,432 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:46:12,112 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:46:13,797 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:46:15,460 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:46:17,171 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:46:18,860 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:46:20,547 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:46:22,184 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:46:22,192 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-18 22:46:23,910 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:46:25,577 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:46:25,585 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-18 22:46:29,072 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-18 22:46:30,733 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-18 22:46:34,099 WARN L191 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 431 DAG size of output: 426 [2019-09-18 22:46:35,769 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:46:47,134 WARN L191 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 469 DAG size of output: 464 [2019-09-18 22:46:52,623 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 22:47:03,852 WARN L191 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 469 DAG size of output: 464 [2019-09-18 22:47:09,343 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 22:47:12,720 WARN L191 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 431 DAG size of output: 426 [2019-09-18 22:47:14,362 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:47:28,887 WARN L191 SmtUtils]: Spent 14.49 s on a formula simplification. DAG size of input: 473 DAG size of output: 467 [2019-09-18 22:47:29,017 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 22:47:29,217 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:47:29,504 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 22:47:44,084 WARN L191 SmtUtils]: Spent 14.58 s on a formula simplification. DAG size of input: 473 DAG size of output: 467 [2019-09-18 22:47:44,193 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 22:47:44,399 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:47:44,691 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 22:47:49,045 WARN L191 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 489 DAG size of output: 482 [2019-09-18 22:47:49,150 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:47:49,607 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 22:47:53,976 WARN L191 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 489 DAG size of output: 482 [2019-09-18 22:47:54,083 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:47:54,194 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 22:47:54,555 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 22:47:54,869 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-18 22:47:55,351 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-18 22:47:55,466 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 22:47:55,736 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-18 22:47:56,215 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-18 22:47:56,318 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 22:47:56,648 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-18 22:47:57,037 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-18 22:47:57,716 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-18 22:47:57,967 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 22:47:58,205 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-18 22:47:58,978 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-18 22:47:59,377 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 22:47:59,575 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 22:47:59,769 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 22:48:00,375 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-18 22:48:00,628 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 22:48:01,074 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-18 22:48:01,289 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 22:48:01,807 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-18 22:48:02,046 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 22:48:02,352 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-18 22:48:02,453 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 22:48:03,014 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-18 22:48:03,284 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-18 22:48:03,985 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2019-09-18 22:48:04,296 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-18 22:48:04,554 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-18 22:48:05,168 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-18 22:48:05,410 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 22:48:06,265 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 104 [2019-09-18 22:48:06,429 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-18 22:48:07,279 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 104 [2019-09-18 22:48:07,444 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-18 22:48:08,010 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-18 22:48:08,270 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 22:48:09,265 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 122 [2019-09-18 22:48:09,722 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-18 22:48:10,905 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2019-09-18 22:48:11,501 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-18 22:48:12,751 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2019-09-18 22:48:13,850 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2019-09-18 22:48:14,024 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2019-09-18 22:48:14,156 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 22:48:14,261 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 22:48:14,666 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2019-09-18 22:48:14,999 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2019-09-18 22:48:15,491 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-18 22:48:15,614 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-18 22:48:15,845 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-18 22:48:15,959 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-18 22:48:16,068 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 22:48:16,619 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 102 [2019-09-18 22:48:17,150 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-18 22:48:18,362 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 109 [2019-09-18 22:48:18,719 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 22:48:19,922 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 109 [2019-09-18 22:48:20,277 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 22:48:20,861 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-18 22:48:22,096 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2019-09-18 22:48:22,645 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-18 22:48:23,878 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 134 DAG size of output: 134 [2019-09-18 22:48:24,478 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-18 22:48:26,039 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 139 DAG size of output: 124 [2019-09-18 22:48:26,333 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 22:48:26,540 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2019-09-18 22:48:26,758 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2019-09-18 22:48:27,125 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-18 22:48:27,253 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-18 22:48:27,472 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-18 22:48:27,586 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-18 22:48:27,588 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 25 for LOIs [2019-09-18 22:48:27,700 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 22:48:27,822 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 22:48:29,279 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 377 DAG size of output: 102 [2019-09-18 22:48:29,478 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 22:48:30,591 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 216 DAG size of output: 119 [2019-09-18 22:48:30,884 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-18 22:48:31,012 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 22:48:33,638 WARN L191 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 339 DAG size of output: 120 [2019-09-18 22:48:33,976 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 22:48:34,945 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2019-09-18 22:48:35,056 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 22:48:35,245 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 22:48:35,447 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-18 22:48:35,501 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 36 for LOIs [2019-09-18 22:48:35,560 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 22:48:35,560 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 22:48:35,562 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 507#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (= ~waterLevel~0 0) (= 0 ~systemActive~0)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-18 22:48:35,577 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 22:48:35,578 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 22:48:35,584 INFO L168 Benchmark]: Toolchain (without parser) took 200985.06 ms. Allocated memory was 133.7 MB in the beginning and 156.2 MB in the end (delta: 22.5 MB). Free memory was 88.8 MB in the beginning and 65.6 MB in the end (delta: 23.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-09-18 22:48:35,584 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 22:48:35,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.99 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 88.6 MB in the beginning and 163.9 MB in the end (delta: -75.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-18 22:48:35,589 INFO L168 Benchmark]: Boogie Preprocessor took 106.67 ms. Allocated memory is still 199.2 MB. Free memory was 163.9 MB in the beginning and 160.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-18 22:48:35,590 INFO L168 Benchmark]: RCFGBuilder took 1597.59 ms. Allocated memory was 199.2 MB in the beginning and 226.0 MB in the end (delta: 26.7 MB). Free memory was 159.7 MB in the beginning and 146.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-09-18 22:48:35,591 INFO L168 Benchmark]: Sifa took 198609.80 ms. Allocated memory was 226.0 MB in the beginning and 156.2 MB in the end (delta: -69.7 MB). Free memory was 146.0 MB in the beginning and 65.6 MB in the end (delta: 80.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-18 22:48:35,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.99 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 88.6 MB in the beginning and 163.9 MB in the end (delta: -75.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.67 ms. Allocated memory is still 199.2 MB. Free memory was 163.9 MB in the beginning and 160.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1597.59 ms. Allocated memory was 199.2 MB in the beginning and 226.0 MB in the end (delta: 26.7 MB). Free memory was 159.7 MB in the beginning and 146.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Sifa took 198609.80 ms. Allocated memory was 226.0 MB in the beginning and 156.2 MB in the end (delta: -69.7 MB). Free memory was 146.0 MB in the beginning and 65.6 MB in the end (delta: 80.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 198557, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 237, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME[ms]: 134, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 188, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 28857, TOOLS_QUANTIFIERELIM_APPLICATIONS: 278, TOOLS_QUANTIFIERELIM_TIME[ms]: 29062, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28648, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 244, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 85, DOMAIN_JOIN_TIME[ms]: 160817, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 5543, DOMAIN_ISSUBSETEQ_APPLICATIONS: 70, DOMAIN_ISSUBSETEQ_TIME[ms]: 272, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 301, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 40078, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 40077, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 70447, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 410, DAG_COMPRESSION_RETAINED_NODES: 186 - UnprovableResult [Line: 518]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 507#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (= ~waterLevel~0 0) (= 0 ~systemActive~0)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...