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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 09:12:56,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 09:12:56,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 09:12:56,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 09:12:56,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 09:12:56,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 09:12:56,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 09:12:56,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 09:12:56,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 09:12:56,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 09:12:56,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 09:12:56,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 09:12:56,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 09:12:56,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 09:12:56,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 09:12:56,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 09:12:56,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 09:12:56,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 09:12:56,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 09:12:56,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 09:12:56,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 09:12:56,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 09:12:56,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 09:12:56,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 09:12:56,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 09:12:56,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 09:12:56,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 09:12:56,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 09:12:56,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 09:12:56,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 09:12:56,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 09:12:56,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 09:12:56,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 09:12:56,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 09:12:56,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 09:12:56,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 09:12:56,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 09:12:56,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 09:12:56,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 09:12:56,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 09:12:56,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 09:12:56,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 09:12:56,161 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 09:12:56,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 09:12:56,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 09:12:56,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 09:12:56,165 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 09:12:56,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 09:12:56,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 09:12:56,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 09:12:56,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 09:12:56,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 09:12:56,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 09:12:56,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 09:12:56,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 09:12:56,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 09:12:56,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 09:12:56,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 09:12:56,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 09:12:56,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 09:12:56,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 09:12:56,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 09:12:56,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 09:12:56,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 09:12:56,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 09:12:56,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 09:12:56,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 09:12:56,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 09:12:56,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 09:12:56,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 09:12:56,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 09:12:56,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 09:12:56,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 09:12:56,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 09:12:56,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 09:12:56,253 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 09:12:56,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-09-19 09:12:56,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff84f2f12/2ae6c46e33c547c282e769c894352512/FLAG252c10fef [2019-09-19 09:12:56,848 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 09:12:56,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-09-19 09:12:56,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff84f2f12/2ae6c46e33c547c282e769c894352512/FLAG252c10fef [2019-09-19 09:12:57,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff84f2f12/2ae6c46e33c547c282e769c894352512 [2019-09-19 09:12:57,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 09:12:57,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 09:12:57,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 09:12:57,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 09:12:57,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 09:12:57,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a380d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57, skipping insertion in model container [2019-09-19 09:12:57,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,146 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 09:12:57,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 09:12:57,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:12:57,599 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 09:12:57,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 09:12:57,703 INFO L192 MainTranslator]: Completed translation [2019-09-19 09:12:57,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57 WrapperNode [2019-09-19 09:12:57,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 09:12:57,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 09:12:57,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 09:12:57,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 09:12:57,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57" (1/1) ... [2019-09-19 09:12:57,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 09:12:57,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 09:12:57,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 09:12:57,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 09:12:57,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:12:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 09:12:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 09:12:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 09:12:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 09:12:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 09:12:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 09:12:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 09:12:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 09:12:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 09:12:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 09:12:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 09:12:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 09:12:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 09:12:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 09:12:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 09:12:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 09:12:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 09:12:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 09:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 09:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 09:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 09:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 09:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 09:12:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 09:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 09:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 09:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 09:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 09:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 09:12:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 09:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 09:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 09:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 09:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 09:12:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 09:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 09:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 09:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 09:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 09:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 09:12:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 09:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 09:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 09:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 09:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 09:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 09:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 09:12:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 09:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 09:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 09:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 09:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 09:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 09:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 09:12:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 09:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 09:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 09:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 09:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 09:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 09:12:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 09:12:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 09:12:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 09:12:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 09:12:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 09:12:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 09:12:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 09:12:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 09:12:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 09:12:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 09:12:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 09:12:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 09:12:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 09:12:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 09:12:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 09:12:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 09:12:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 09:12:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 09:12:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 09:12:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 09:12:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 09:12:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 09:12:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 09:12:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 09:12:59,334 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 09:12:59,335 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 09:12:59,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:12:59 BoogieIcfgContainer [2019-09-19 09:12:59,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 09:12:59,337 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 09:12:59,337 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 09:12:59,337 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 09:12:59,338 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:12:59" (1/1) ... [2019-09-19 09:12:59,339 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 09:12:59,361 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 09:12:59,361 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 09:12:59,370 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 09:12:59,378 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 09:12:59,379 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 09:13:11,681 WARN L191 SmtUtils]: Spent 12.21 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:13:22,884 WARN L191 SmtUtils]: Spent 11.20 s on a formula simplification that was a NOOP. DAG size: 441 [2019-09-19 09:13:41,443 WARN L191 SmtUtils]: Spent 10.37 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 09:13:43,154 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 09:13:46,722 WARN L191 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 09:13:46,730 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 09:13:48,395 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:13:50,020 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:13:51,694 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:13:53,329 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:13:55,036 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:13:56,686 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-19 09:13:58,352 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:13:59,956 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 09:13:59,964 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 09:13:59,969 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 09:14:03,469 WARN L191 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2019-09-19 09:14:05,148 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 425 [2019-09-19 09:14:15,822 WARN L191 SmtUtils]: Spent 10.63 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:14:21,003 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:14:31,564 WARN L191 SmtUtils]: Spent 10.56 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:14:36,754 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:14:47,316 WARN L191 SmtUtils]: Spent 10.56 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:14:52,475 WARN L191 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:15:03,065 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:15:08,226 WARN L191 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:15:18,878 WARN L191 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:15:24,067 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:15:34,608 WARN L191 SmtUtils]: Spent 10.54 s on a formula simplification. DAG size of input: 449 DAG size of output: 447 [2019-09-19 09:15:39,830 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-19 09:15:49,814 WARN L191 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 09:15:54,831 WARN L191 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:16:12,757 WARN L191 SmtUtils]: Spent 17.91 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-19 09:16:20,997 WARN L191 SmtUtils]: Spent 8.24 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 09:16:36,562 WARN L191 SmtUtils]: Spent 15.49 s on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2019-09-19 09:16:44,295 WARN L191 SmtUtils]: Spent 7.73 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 09:16:45,699 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 442 DAG size of output: 1 [2019-09-19 09:17:00,974 WARN L191 SmtUtils]: Spent 15.27 s on a formula simplification. DAG size of input: 433 DAG size of output: 433 [2019-09-19 09:17:08,680 WARN L191 SmtUtils]: Spent 7.70 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:17:22,870 WARN L191 SmtUtils]: Spent 14.16 s on a formula simplification. DAG size of input: 433 DAG size of output: 430 [2019-09-19 09:17:38,380 WARN L191 SmtUtils]: Spent 15.24 s on a formula simplification. DAG size of input: 459 DAG size of output: 433 [2019-09-19 09:17:45,926 WARN L191 SmtUtils]: Spent 7.54 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:17:53,103 WARN L191 SmtUtils]: Spent 7.17 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:18:00,298 WARN L191 SmtUtils]: Spent 7.19 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:18:01,838 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 441 DAG size of output: 1 [2019-09-19 09:18:16,252 WARN L191 SmtUtils]: Spent 14.41 s on a formula simplification. DAG size of input: 440 DAG size of output: 433 [2019-09-19 09:18:23,384 WARN L191 SmtUtils]: Spent 7.13 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:18:38,307 WARN L191 SmtUtils]: Spent 14.91 s on a formula simplification. DAG size of input: 442 DAG size of output: 433 [2019-09-19 09:18:45,861 WARN L191 SmtUtils]: Spent 7.55 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:18:53,639 WARN L191 SmtUtils]: Spent 7.70 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 09:19:01,317 WARN L191 SmtUtils]: Spent 7.68 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 09:19:28,652 WARN L191 SmtUtils]: Spent 27.30 s on a formula simplification. DAG size of input: 511 DAG size of output: 481 [2019-09-19 09:19:39,877 WARN L191 SmtUtils]: Spent 11.22 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 09:19:54,945 WARN L191 SmtUtils]: Spent 15.02 s on a formula simplification. DAG size of input: 442 DAG size of output: 439 [2019-09-19 09:20:02,439 WARN L191 SmtUtils]: Spent 7.49 s on a formula simplification that was a NOOP. DAG size: 439 [2019-09-19 09:20:48,047 WARN L191 SmtUtils]: Spent 45.57 s on a formula simplification. DAG size of input: 497 DAG size of output: 491 [2019-09-19 09:21:01,268 WARN L191 SmtUtils]: Spent 13.22 s on a formula simplification that was a NOOP. DAG size: 491 [2019-09-19 09:21:34,094 WARN L191 SmtUtils]: Spent 32.82 s on a formula simplification. DAG size of input: 510 DAG size of output: 489 [2019-09-19 09:21:47,237 WARN L191 SmtUtils]: Spent 13.14 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-19 09:22:39,107 WARN L191 SmtUtils]: Spent 51.87 s on a formula simplification. DAG size of input: 516 DAG size of output: 489 [2019-09-19 09:22:52,258 WARN L191 SmtUtils]: Spent 13.15 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-19 09:23:11,694 WARN L191 SmtUtils]: Spent 19.41 s on a formula simplification that was a NOOP. DAG size: 503 [2019-09-19 09:23:12,384 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-19 09:23:12,741 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-09-19 09:23:13,045 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-19 09:23:13,359 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-19 09:23:13,477 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 09:23:13,965 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-19 09:23:14,278 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 09:23:14,662 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-09-19 09:23:14,808 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-19 09:23:15,802 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 85 [2019-09-19 09:23:16,043 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-19 09:23:16,432 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-19 09:23:16,559 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 09:23:17,097 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2019-09-19 09:23:17,339 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 09:23:18,162 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2019-09-19 09:23:18,405 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 09:23:19,038 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2019-09-19 09:23:19,717 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-19 09:23:20,109 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2019-09-19 09:23:20,448 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-19 09:23:20,594 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 09:23:20,802 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-19 09:23:21,327 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-19 09:23:31,461 WARN L191 SmtUtils]: Spent 10.06 s on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2019-09-19 09:23:36,463 WARN L191 SmtUtils]: Spent 5.00 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-19 09:23:55,906 WARN L191 SmtUtils]: Spent 19.43 s on a formula simplification. DAG size of input: 468 DAG size of output: 463 [2019-09-19 09:24:03,940 WARN L191 SmtUtils]: Spent 8.03 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 09:24:21,934 WARN L191 SmtUtils]: Spent 17.95 s on a formula simplification. DAG size of input: 475 DAG size of output: 472 [2019-09-19 09:24:30,914 WARN L191 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-19 09:24:32,331 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 442 DAG size of output: 1 [2019-09-19 09:24:48,677 WARN L191 SmtUtils]: Spent 16.34 s on a formula simplification. DAG size of input: 433 DAG size of output: 433 [2019-09-19 09:24:56,935 WARN L191 SmtUtils]: Spent 8.26 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:25:13,237 WARN L191 SmtUtils]: Spent 16.28 s on a formula simplification. DAG size of input: 433 DAG size of output: 430 [2019-09-19 09:25:29,836 WARN L191 SmtUtils]: Spent 16.43 s on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2019-09-19 09:25:37,925 WARN L191 SmtUtils]: Spent 8.09 s on a formula simplification that was a NOOP. DAG size: 433 [2019-09-19 09:25:46,175 WARN L191 SmtUtils]: Spent 8.24 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:25:54,307 WARN L191 SmtUtils]: Spent 8.13 s on a formula simplification that was a NOOP. DAG size: 435 [2019-09-19 09:25:56,181 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 436 DAG size of output: 1