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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:37:37,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:37:37,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:37:37,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:37:37,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:37:37,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:37:37,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:37:37,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:37:37,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:37:37,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:37:37,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:37:37,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:37:37,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:37:37,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:37:37,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:37:37,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:37:37,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:37:37,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:37:37,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:37:37,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:37:37,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:37:37,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:37:37,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:37:37,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:37:37,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:37:37,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:37:37,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:37:37,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:37:37,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:37:37,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:37:37,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:37:37,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:37:37,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:37:37,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:37:37,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:37:37,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:37:37,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:37:37,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:37:37,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:37:37,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:37:37,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:37:37,558 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 [2019-09-20 19:37:37,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:37:37,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:37:37,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:37:37,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:37:37,576 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:37:37,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:37:37,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:37:37,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:37:37,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:37:37,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:37:37,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:37:37,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:37:37,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:37:37,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:37:37,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:37:37,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:37:37,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:37:37,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:37:37,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:37:37,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:37:37,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:37:37,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:37:37,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:37:37,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:37:37,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:37:37,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:37:37,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:37:37,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:37:37,583 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 -> SingleStatement 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:37:37,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:37:37,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:37:37,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:37:37,650 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:37:37,650 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:37:37,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-20 19:37:37,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20c9eb508/1240c3481eb848c1b080469f32f8fdbb/FLAGb7bae0aec [2019-09-20 19:37:38,223 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:37:38,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-20 19:37:38,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20c9eb508/1240c3481eb848c1b080469f32f8fdbb/FLAGb7bae0aec [2019-09-20 19:37:38,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20c9eb508/1240c3481eb848c1b080469f32f8fdbb [2019-09-20 19:37:38,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:37:38,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:37:38,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:37:38,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:37:38,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:37:38,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:37:38" (1/1) ... [2019-09-20 19:37:38,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:38, skipping insertion in model container [2019-09-20 19:37:38,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:37:38" (1/1) ... [2019-09-20 19:37:38,572 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:37:38,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:37:39,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:37:39,101 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:37:39,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:37:39,218 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:37:39,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39 WrapperNode [2019-09-20 19:37:39,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:37:39,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:37:39,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:37:39,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:37:39,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39" (1/1) ... [2019-09-20 19:37:39,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39" (1/1) ... [2019-09-20 19:37:39,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39" (1/1) ... [2019-09-20 19:37:39,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39" (1/1) ... [2019-09-20 19:37:39,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39" (1/1) ... [2019-09-20 19:37:39,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39" (1/1) ... [2019-09-20 19:37:39,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39" (1/1) ... [2019-09-20 19:37:39,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:37:39,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:37:39,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:37:39,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:37:39,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:37:39" (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 [2019-09-20 19:37:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:37:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:37:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:37:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 19:37:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:37:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:37:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:37:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:37:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:37:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:37:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:37:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:37:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:37:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:37:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:37:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:37:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:37:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:37:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:37:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:37:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:37:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:37:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:37:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 19:37:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:37:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:37:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:37:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:37:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:37:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:37:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 19:37:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:37:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:37:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:37:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:37:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:37:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:37:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:37:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:37:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:37:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:37:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:37:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:37:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 19:37:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:37:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:37:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:37:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:37:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:37:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:37:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:37:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:37:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:37:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:37:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:37:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:37:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:37:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:37:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:37:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:37:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:37:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 19:37:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:37:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:37:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:37:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:37:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 19:37:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:37:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:37:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:37:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:37:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:37:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:37:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:37:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:37:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:37:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:37:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:37:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:37:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:37:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:37:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:37:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:37:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:37:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:37:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:37:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:37:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:37:40,557 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:37:40,557 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:37:40,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:37:40 BoogieIcfgContainer [2019-09-20 19:37:40,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:37:40,560 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:37:40,560 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:37:40,561 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:37:40,562 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:37:40" (1/1) ... [2019-09-20 19:37:40,562 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:37:40,594 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:37:40,594 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:37:40,611 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:37:40,630 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:37:40,631 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:37:41,275 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-20 19:37:41,457 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-20 19:37:41,790 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 19:37:42,030 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-20 19:37:42,475 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2019-09-20 19:37:42,909 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 119 [2019-09-20 19:37:43,507 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2019-09-20 19:37:44,047 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2019-09-20 19:37:44,922 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 163 [2019-09-20 19:37:45,649 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 162 [2019-09-20 19:37:46,724 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 182 [2019-09-20 19:37:47,491 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 177 [2019-09-20 19:37:48,800 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 225 DAG size of output: 201 [2019-09-20 19:37:49,813 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 198 [2019-09-20 19:37:51,455 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 248 DAG size of output: 211 [2019-09-20 19:37:52,543 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 208 [2019-09-20 19:37:54,657 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 302 DAG size of output: 244 [2019-09-20 19:37:55,995 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 278 DAG size of output: 239 [2019-09-20 19:37:58,650 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 332 DAG size of output: 271 [2019-09-20 19:37:58,869 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 19:38:00,416 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 319 DAG size of output: 272 [2019-09-20 19:38:03,557 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 366 DAG size of output: 289 [2019-09-20 19:38:05,335 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 332 DAG size of output: 286 [2019-09-20 19:38:05,644 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:38:07,866 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 378 DAG size of output: 308 [2019-09-20 19:38:09,838 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 351 DAG size of output: 303 [2019-09-20 19:38:10,651 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 19:38:14,551 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 454 DAG size of output: 317 [2019-09-20 19:38:16,684 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 366 DAG size of output: 312 [2019-09-20 19:38:17,713 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-20 19:38:22,354 WARN L191 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 504 DAG size of output: 326 [2019-09-20 19:38:24,554 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 365 DAG size of output: 321