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_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:31:28,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:31:28,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:31:29,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:31:29,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:31:29,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:31:29,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:31:29,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:31:29,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:31:29,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:31:29,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:31:29,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:31:29,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:31:29,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:31:29,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:31:29,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:31:29,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:31:29,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:31:29,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:31:29,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:31:29,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:31:29,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:31:29,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:31:29,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:31:29,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:31:29,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:31:29,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:31:29,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:31:29,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:31:29,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:31:29,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:31:29,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:31:29,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:31:29,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:31:29,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:31:29,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:31:29,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:31:29,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:31:29,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:31:29,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:31:29,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:31:29,053 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 19:31:29,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:31:29,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:31:29,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:31:29,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:31:29,068 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:31:29,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:31:29,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:31:29,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:31:29,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:31:29,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:31:29,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:31:29,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:31:29,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:31:29,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:31:29,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:31:29,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:31:29,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:31:29,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:31:29,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:31:29,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:31:29,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:31:29,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:31:29,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:31:29,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:31:29,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:31:29,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:31:29,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:31:29,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:31:29,073 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 19:31:29,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:31:29,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:31:29,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:31:29,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:31:29,125 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:31:29,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2019-09-20 19:31:29,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc436f5d/b5d87d9368ed45468303318043551f7a/FLAGb5c560e46 [2019-09-20 19:31:29,702 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:31:29,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2019-09-20 19:31:29,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc436f5d/b5d87d9368ed45468303318043551f7a/FLAGb5c560e46 [2019-09-20 19:31:30,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc436f5d/b5d87d9368ed45468303318043551f7a [2019-09-20 19:31:30,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:31:30,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:31:30,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:31:30,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:31:30,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:31:30,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39779103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30, skipping insertion in model container [2019-09-20 19:31:30,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,037 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:31:30,096 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:31:30,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:31:30,516 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:31:30,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:31:30,682 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:31:30,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30 WrapperNode [2019-09-20 19:31:30,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:31:30,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:31:30,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:31:30,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:31:30,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30" (1/1) ... [2019-09-20 19:31:30,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:31:30,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:31:30,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:31:30,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:31:30,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:30" (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 19:31:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:31:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:31:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:31:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:31:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:31:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:31:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:31:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:31:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:31:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:31:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:31:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:31:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:31:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:31:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:31:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 19:31:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 19:31:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:31:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:31:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:31:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:31:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:31:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:31:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:31:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:31:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:31:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 19:31:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:31:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:31:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:31:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:31:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:31:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:31:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 19:31:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 19:31:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 19:31:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:31:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:31:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:31:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:31:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:31:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:31:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:31:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:31:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:31:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:31:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:31:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:31:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:31:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:31:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:31:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:31:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:31:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:31:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:31:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:31:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:31:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:31:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:31:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:31:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:31:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:31:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:31:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:31:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:31:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:31:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 19:31:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:31:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:31:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 19:31:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 19:31:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 19:31:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:31:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:31:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:31:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:31:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:31:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:31:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:31:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:31:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:31:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:31:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:31:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:31:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:31:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:31:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:31:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 19:31:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 19:31:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:31:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:31:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:31:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:31:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:31:31,943 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:31:31,943 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:31:31,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:31:31 BoogieIcfgContainer [2019-09-20 19:31:31,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:31:31,945 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:31:31,945 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:31:31,946 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:31:31,947 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:31:31" (1/1) ... [2019-09-20 19:31:31,947 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 19:31:31,969 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:31:31,969 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:31:31,979 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:31:31,987 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:31:31,989 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:31:32,530 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-20 19:31:32,932 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-20 19:31:33,146 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-20 19:31:33,438 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2019-09-20 19:31:33,666 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-20 19:31:34,089 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-20 19:31:34,364 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 73 [2019-09-20 19:31:34,851 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2019-09-20 19:31:35,274 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-20 19:31:35,938 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2019-09-20 19:31:36,461 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2019-09-20 19:31:36,671 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 19:31:37,308 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 111 [2019-09-20 19:31:37,833 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2019-09-20 19:31:38,147 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 19:31:39,002 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 119 [2019-09-20 19:31:39,189 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:31:39,731 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2019-09-20 19:31:40,095 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 19:31:41,159 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 243 DAG size of output: 133 [2019-09-20 19:31:41,344 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:31:41,993 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-09-20 19:31:42,438 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-20 19:31:43,497 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 291 DAG size of output: 147 [2019-09-20 19:31:44,359 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2019-09-20 19:31:44,976 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2019-09-20 19:31:46,755 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 334 DAG size of output: 162 [2019-09-20 19:31:47,706 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2019-09-20 19:31:48,571 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2019-09-20 19:31:50,786 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 368 DAG size of output: 171 [2019-09-20 19:31:51,782 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 166 [2019-09-20 19:31:52,855 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2019-09-20 19:31:55,823 WARN L191 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 460 DAG size of output: 212 [2019-09-20 19:31:57,082 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 255 DAG size of output: 207 [2019-09-20 19:31:58,432 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2019-09-20 19:32:02,182 WARN L191 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 517 DAG size of output: 239 [2019-09-20 19:32:03,666 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 280 DAG size of output: 234 [2019-09-20 19:32:05,343 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2019-09-20 19:32:10,169 WARN L191 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 596 DAG size of output: 258 [2019-09-20 19:32:11,815 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2019-09-20 19:32:13,874 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 499