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 TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:28:27,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:28:27,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:28:27,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:28:27,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:28:27,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:28:27,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:28:27,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:28:27,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:28:27,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:28:27,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:28:27,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:28:27,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:28:27,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:28:27,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:28:27,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:28:27,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:28:27,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:28:27,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:28:27,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:28:27,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:28:27,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:28:27,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:28:27,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:28:27,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:28:27,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:28:27,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:28:27,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:28:27,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:28:27,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:28:27,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:28:27,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:28:27,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:28:27,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:28:27,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:28:27,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:28:27,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:28:27,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:28:27,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:28:27,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:28:27,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:28:27,229 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 17:28:27,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:28:27,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:28:27,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:28:27,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:28:27,247 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:28:27,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:28:27,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:28:27,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:28:27,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:28:27,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:28:27,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:28:27,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:28:27,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:28:27,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:28:27,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:28:27,250 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:28:27,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:28:27,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:28:27,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:28:27,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:28:27,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:28:27,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:28:27,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:28:27,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:28:27,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:28:27,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:28:27,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:28:27,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:28:27,254 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:28:27,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:28:27,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:28:27,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:28:27,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:28:27,325 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:28:27,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2019-09-19 17:28:27,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492d0df90/23cce8c8a1c74bd0a9a85e9c217317ce/FLAGd3ed2933e [2019-09-19 17:28:27,940 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:28:27,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2019-09-19 17:28:27,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492d0df90/23cce8c8a1c74bd0a9a85e9c217317ce/FLAGd3ed2933e [2019-09-19 17:28:28,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492d0df90/23cce8c8a1c74bd0a9a85e9c217317ce [2019-09-19 17:28:28,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:28:28,268 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:28:28,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:28:28,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:28:28,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:28:28,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:28:28" (1/1) ... [2019-09-19 17:28:28,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c6722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:28, skipping insertion in model container [2019-09-19 17:28:28,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:28:28" (1/1) ... [2019-09-19 17:28:28,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:28:28,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:28:28,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:28:28,794 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:28:28,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:28:29,006 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:28:29,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29 WrapperNode [2019-09-19 17:28:29,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:28:29,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:28:29,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:28:29,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:28:29,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29" (1/1) ... [2019-09-19 17:28:29,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29" (1/1) ... [2019-09-19 17:28:29,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29" (1/1) ... [2019-09-19 17:28:29,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29" (1/1) ... [2019-09-19 17:28:29,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29" (1/1) ... [2019-09-19 17:28:29,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29" (1/1) ... [2019-09-19 17:28:29,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29" (1/1) ... [2019-09-19 17:28:29,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:28:29,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:28:29,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:28:29,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:28:29,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:28:29" (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 17:28:29,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:28:29,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:28:29,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:28:29,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:28:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:28:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:28:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:28:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:28:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:28:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:28:29,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 17:28:29,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 17:28:29,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 17:28:29,175 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:28:29,175 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:28:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:28:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:28:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:28:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:28:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 17:28:29,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 17:28:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:28:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:28:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:28:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 17:28:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:28:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:28:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:28:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:28:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:28:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:28:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 17:28:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 17:28:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 17:28:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 17:28:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:28:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:28:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:28:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:28:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:28:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:28:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:28:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:28:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 17:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 17:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 17:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 17:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 17:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 17:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 17:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 17:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 17:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 17:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:28:30,897 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:28:30,897 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:28:30,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:28:30 BoogieIcfgContainer [2019-09-19 17:28:30,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:28:30,899 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:28:30,899 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:28:30,900 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:28:30,901 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:28:30" (1/1) ... [2019-09-19 17:28:30,902 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:28:30,926 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:28:30,926 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:28:30,936 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:28:30,946 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:28:30,948 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:28:53,668 WARN L191 SmtUtils]: Spent 13.22 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 17:28:55,263 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:28:59,177 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 17:29:00,963 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:29:02,708 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:29:02,741 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-19 17:29:02,783 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-19 17:29:02,793 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-19 17:29:04,548 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 17:29:04,585 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 17:29:04,622 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 17:29:04,633 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-19 17:29:04,638 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:29:04,638 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:29:04,640 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1767#(= ~switchedOnBeforeTS~0 0) [2019-09-19 17:29:04,652 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:29:04,652 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:29:04,654 INFO L168 Benchmark]: Toolchain (without parser) took 36387.02 ms. Allocated memory was 133.7 MB in the beginning and 436.7 MB in the end (delta: 303.0 MB). Free memory was 88.2 MB in the beginning and 399.4 MB in the end (delta: -311.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:29:04,655 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-19 17:29:04,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.26 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.0 MB in the beginning and 164.3 MB in the end (delta: -76.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:04,658 INFO L168 Benchmark]: Boogie Preprocessor took 95.60 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:04,659 INFO L168 Benchmark]: RCFGBuilder took 1795.89 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 160.0 MB in the beginning and 139.2 MB in the end (delta: 20.8 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:04,659 INFO L168 Benchmark]: Sifa took 33753.26 ms. Allocated memory was 227.0 MB in the beginning and 436.7 MB in the end (delta: 209.7 MB). Free memory was 139.2 MB in the beginning and 399.4 MB in the end (delta: -260.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:29:04,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.26 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.0 MB in the beginning and 164.3 MB in the end (delta: -76.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.60 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1795.89 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 160.0 MB in the beginning and 139.2 MB in the end (delta: 20.8 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Sifa took 33753.26 ms. Allocated memory was 227.0 MB in the beginning and 436.7 MB in the end (delta: 209.7 MB). Free memory was 139.2 MB in the beginning and 399.4 MB in the end (delta: -260.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 33714, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 581, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 373, TOOLS_POST_TIME[ms]: 28229, TOOLS_POST_CALL_APPLICATIONS: 163, TOOLS_POST_CALL_TIME[ms]: 83, TOOLS_POST_RETURN_APPLICATIONS: 154, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 690, TOOLS_QUANTIFIERELIM_TIME[ms]: 28281, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28150, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 601, FLUID_YES_ANSWERS: 601, DOMAIN_JOIN_APPLICATIONS: 171, DOMAIN_JOIN_TIME[ms]: 4492, DOMAIN_ALPHA_APPLICATIONS: 601, DOMAIN_ALPHA_TIME[ms]: 568, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 98, DOMAIN_ISBOTTOM_TIME[ms]: 89, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1362, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1360, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 154, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32104, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32103, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 708, DAG_COMPRESSION_RETAINED_NODES: 385 - UnprovableResult [Line: 516]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1767#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...