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_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:37:17,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:37:17,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:37:17,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:37:17,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:37:17,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:37:17,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:37:17,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:37:17,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:37:17,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:37:17,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:37:17,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:37:17,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:37:17,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:37:17,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:37:17,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:37:17,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:37:17,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:37:17,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:37:17,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:37:17,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:37:17,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:37:17,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:37:17,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:37:17,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:37:17,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:37:17,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:37:17,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:37:17,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:37:17,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:37:17,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:37:17,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:37:17,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:37:17,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:37:17,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:37:17,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:37:17,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:37:17,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:37:17,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:37:17,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:37:17,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:37:17,146 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 21:37:17,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:37:17,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:37:17,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:37:17,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:37:17,168 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:37:17,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:37:17,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:37:17,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:37:17,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:37:17,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:37:17,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:37:17,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:37:17,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:37:17,170 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:37:17,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:37:17,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:37:17,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:37:17,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:37:17,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:37:17,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:37:17,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:37:17,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:37:17,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:37:17,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:37:17,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:37:17,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:37:17,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:37:17,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:37:17,177 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 [2019-09-20 21:37:17,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:37:17,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:37:17,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:37:17,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:37:17,225 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:37:17,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-09-20 21:37:17,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9f1a95b/2c66f28b468c42bcac5553fd2737c0a9/FLAGc3605b6a4 [2019-09-20 21:37:17,820 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:37:17,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-09-20 21:37:17,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9f1a95b/2c66f28b468c42bcac5553fd2737c0a9/FLAGc3605b6a4 [2019-09-20 21:37:18,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9f1a95b/2c66f28b468c42bcac5553fd2737c0a9 [2019-09-20 21:37:18,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:37:18,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:37:18,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:37:18,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:37:18,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:37:18,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,113 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 09:37:18, skipping insertion in model container [2019-09-20 21:37:18,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,120 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:37:18,163 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:37:18,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:37:18,618 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:37:18,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:37:18,730 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:37:18,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18 WrapperNode [2019-09-20 21:37:18,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:37:18,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:37:18,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:37:18,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:37:18,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18" (1/1) ... [2019-09-20 21:37:18,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:37:18,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:37:18,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:37:18,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:37:18,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:37:18" (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 21:37:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:37:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:37:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 21:37:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 21:37:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 21:37:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 21:37:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 21:37:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 21:37:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 21:37:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 21:37:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 21:37:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 21:37:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 21:37:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 21:37:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 21:37:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 21:37:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 21:37:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:37:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 21:37:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 21:37:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 21:37:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 21:37:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 21:37:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 21:37:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 21:37:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 21:37:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 21:37:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 21:37:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 21:37:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 21:37:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 21:37:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 21:37:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 21:37:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 21:37:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 21:37:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 21:37:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 21:37:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:37:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:37:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 21:37:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 21:37:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 21:37:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 21:37:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 21:37:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 21:37:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 21:37:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:37:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 21:37:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 21:37:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 21:37:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 21:37:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 21:37:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 21:37:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 21:37:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 21:37:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 21:37:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 21:37:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 21:37:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:37:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 21:37:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:37:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:37:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 21:37:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:37:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:37:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:37:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:37:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 21:37:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:37:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 21:37:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 21:37:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:37:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 21:37:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 21:37:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 21:37:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 21:37:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 21:37:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 21:37:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 21:37:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 21:37:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 21:37:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 21:37:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 21:37:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 21:37:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 21:37:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:37:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 21:37:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:37:20,684 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:37:20,684 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 21:37:20,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:37:20 BoogieIcfgContainer [2019-09-20 21:37:20,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:37:20,686 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:37:20,686 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:37:20,687 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:37:20,688 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:37:20" (1/1) ... [2019-09-20 21:37:20,689 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 [2019-09-20 21:37:20,715 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:37:20,715 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:37:20,729 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:37:20,738 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:37:20,740 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:37:34,562 WARN L191 SmtUtils]: Spent 13.74 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-20 21:37:47,596 WARN L191 SmtUtils]: Spent 13.03 s on a formula simplification that was a NOOP. DAG size: 441