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_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:32:45,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:32:45,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:32:45,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:32:45,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:32:45,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:32:45,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:32:45,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:32:45,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:32:45,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:32:45,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:32:45,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:32:45,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:32:45,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:32:45,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:32:45,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:32:45,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:32:45,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:32:45,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:32:45,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:32:45,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:32:45,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:32:45,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:32:45,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:32:45,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:32:45,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:32:45,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:32:45,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:32:45,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:32:45,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:32:45,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:32:45,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:32:45,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:32:45,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:32:45,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:32:45,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:32:45,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:32:45,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:32:45,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:32:45,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:32:45,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:32:45,281 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 19:32:45,308 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:32:45,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:32:45,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:32:45,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:32:45,311 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:32:45,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:32:45,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:32:45,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:32:45,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:32:45,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:32:45,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:32:45,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:32:45,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:32:45,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:32:45,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:32:45,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:32:45,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:32:45,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:32:45,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:32:45,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:32:45,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:32:45,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:32:45,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:32:45,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:32:45,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:32:45,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:32:45,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:32:45,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:32:45,317 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 19:32:45,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:32:45,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:32:45,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:32:45,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:32:45,384 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:32:45,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-20 19:32:45,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000f02af7/c323f4580f5441f4920b081ee2e0856b/FLAG441a0c1ed [2019-09-20 19:32:45,961 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:32:45,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-09-20 19:32:45,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000f02af7/c323f4580f5441f4920b081ee2e0856b/FLAG441a0c1ed [2019-09-20 19:32:46,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000f02af7/c323f4580f5441f4920b081ee2e0856b [2019-09-20 19:32:46,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:32:46,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:32:46,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:32:46,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:32:46,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:32:46,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:46,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46, skipping insertion in model container [2019-09-20 19:32:46,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:46,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:32:46,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:32:46,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:32:46,797 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:32:46,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:32:46,937 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:32:46,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46 WrapperNode [2019-09-20 19:32:46,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:32:46,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:32:46,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:32:46,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:32:46,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:46,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:46,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:46,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:47,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:47,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:47,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46" (1/1) ... [2019-09-20 19:32:47,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:32:47,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:32:47,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:32:47,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:32:47,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:32:46" (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 19:32:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:32:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:32:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:32:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:32:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:32:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:32:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:32:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:32:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:32:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:32:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:32:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:32:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:32:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:32:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:32:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:32:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 19:32:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:32:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:32:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:32:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:32:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:32:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:32:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 19:32:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 19:32:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:32:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:32:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:32:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:32:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:32:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:32:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:32:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:32:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:32:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:32:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:32:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:32:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:32:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:32:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:32:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:32:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:32:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:32:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:32:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:32:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:32:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 19:32:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:32:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:32:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:32:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:32:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:32:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:32:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:32:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:32:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:32:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:32:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 19:32:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:32:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:32:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:32:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:32:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:32:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:32:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 19:32:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:32:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:32:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:32:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:32:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:32:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:32:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:32:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:32:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:32:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:32:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:32:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:32:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:32:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:32:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:32:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:32:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:32:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:32:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:32:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:32:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:32:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:32:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:32:48,265 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:32:48,265 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:32:48,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:32:48 BoogieIcfgContainer [2019-09-20 19:32:48,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:32:48,268 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:32:48,268 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:32:48,268 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:32:48,269 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:32:48" (1/1) ... [2019-09-20 19:32:48,270 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 19:32:48,299 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:32:48,302 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:32:48,316 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:32:48,324 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:32:48,326 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:32:49,054 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-20 19:32:49,218 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-20 19:32:49,505 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-20 19:32:49,745 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-20 19:32:50,156 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-20 19:32:50,549 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2019-09-20 19:32:51,127 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 139 [2019-09-20 19:32:51,665 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2019-09-20 19:32:52,470 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 161 [2019-09-20 19:32:53,199 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2019-09-20 19:32:54,192 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 180 [2019-09-20 19:32:54,922 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2019-09-20 19:32:56,244 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 226 DAG size of output: 199 [2019-09-20 19:32:57,179 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 196 [2019-09-20 19:32:58,785 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2019-09-20 19:32:59,817 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 206 [2019-09-20 19:33:01,807 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 300 DAG size of output: 242 [2019-09-20 19:33:03,063 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 274 DAG size of output: 237 [2019-09-20 19:33:05,653 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 320 DAG size of output: 269 [2019-09-20 19:33:05,866 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 19:33:07,360 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 312 DAG size of output: 270 [2019-09-20 19:33:07,771 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 19:33:10,488 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 354 DAG size of output: 287 [2019-09-20 19:33:12,295 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 332 DAG size of output: 284 [2019-09-20 19:33:12,855 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:33:15,991 WARN L191 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 387 DAG size of output: 308 [2019-09-20 19:33:17,956 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 341 DAG size of output: 303 [2019-09-20 19:33:18,657 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 19:33:22,407 WARN L191 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 449 DAG size of output: 317 [2019-09-20 19:33:24,497 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 358 DAG size of output: 312 [2019-09-20 19:33:25,656 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-20 19:33:30,088 WARN L191 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 484 DAG size of output: 326