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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:49:30,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:49:30,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:49:30,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:49:30,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:49:30,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:49:30,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:49:30,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:49:30,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:49:30,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:49:30,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:49:30,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:49:30,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:49:30,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:49:30,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:49:30,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:49:30,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:49:30,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:49:30,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:49:30,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:49:30,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:49:30,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:49:30,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:49:30,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:49:30,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:49:30,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:49:30,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:49:30,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:49:30,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:49:30,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:49:30,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:49:30,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:49:30,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:49:30,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:49:30,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:49:30,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:49:30,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:49:30,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:49:30,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:49:30,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:49:30,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:49:30,208 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 15:49:30,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:49:30,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:49:30,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:49:30,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:49:30,238 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:49:30,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:49:30,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:49:30,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:49:30,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:49:30,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:49:30,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:49:30,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:49:30,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:49:30,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:49:30,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:49:30,242 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:49:30,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:49:30,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:49:30,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:49:30,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:49:30,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:49:30,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:49:30,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:49:30,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:49:30,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:49:30,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:49:30,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:49:30,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:49:30,245 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 -> 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_QUICK [2019-09-20 15:49:30,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:49:30,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:49:30,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:49:30,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:49:30,315 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:49:30,317 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-20 15:49:30,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/206bfce48/0fe54ca90c934a6199e654c2dcf47d15/FLAGd6a919a74 [2019-09-20 15:49:30,936 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:49:30,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-20 15:49:30,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/206bfce48/0fe54ca90c934a6199e654c2dcf47d15/FLAGd6a919a74 [2019-09-20 15:49:31,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/206bfce48/0fe54ca90c934a6199e654c2dcf47d15 [2019-09-20 15:49:31,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:49:31,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:49:31,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:31,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:49:31,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:49:31,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:31" (1/1) ... [2019-09-20 15:49:31,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aceba54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:31, skipping insertion in model container [2019-09-20 15:49:31,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:31" (1/1) ... [2019-09-20 15:49:31,286 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:49:31,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:49:31,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:31,844 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:49:31,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:32,023 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:49:32,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32 WrapperNode [2019-09-20 15:49:32,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:32,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:49:32,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:49:32,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:49:32,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32" (1/1) ... [2019-09-20 15:49:32,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32" (1/1) ... [2019-09-20 15:49:32,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32" (1/1) ... [2019-09-20 15:49:32,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32" (1/1) ... [2019-09-20 15:49:32,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32" (1/1) ... [2019-09-20 15:49:32,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32" (1/1) ... [2019-09-20 15:49:32,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32" (1/1) ... [2019-09-20 15:49:32,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:49:32,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:49:32,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:49:32,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:49:32,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:32" (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 15:49:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:49:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:49:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:49:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:49:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:49:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:49:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:49:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:49:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:49:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:49:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:49:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:49:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:49:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:49:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:49:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:49:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:49:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:49:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:49:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:49:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:49:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:49:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:49:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:49:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:49:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:49:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:49:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:49:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:49:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:49:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:49:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:49:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:49:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:49:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:49:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:49:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:49:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:49:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:49:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:49:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:49:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:49:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:49:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:49:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:49:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:49:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:49:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:49:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:49:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:49:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:49:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:49:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:49:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:49:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:49:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:49:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:49:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:49:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:49:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:49:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:49:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:49:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:49:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:49:34,004 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:49:34,004 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:49:34,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:49:34 BoogieIcfgContainer [2019-09-20 15:49:34,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:49:34,006 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:49:34,006 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:49:34,007 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:49:34,009 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:49:34" (1/1) ... [2019-09-20 15:49:34,009 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:49:34,048 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:49:34,048 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:49:34,058 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:49:34,069 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:49:34,071 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:49:44,062 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:49:45,970 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:49:46,166 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:46,307 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:46,448 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:46,474 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:49:46,530 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:49:46,548 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:49:47,030 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:49:47,357 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:49:47,929 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:49:48,304 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:49:49,037 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:49,648 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:50,455 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 538 [2019-09-20 15:49:50,936 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:49:51,331 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-20 15:49:51,731 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-20 15:49:52,302 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:49:52,752 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-20 15:49:53,607 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-20 15:49:54,316 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-20 15:49:56,073 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 610 DAG size of output: 600 [2019-09-20 15:49:57,461 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 600 [2019-09-20 15:49:58,339 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 561 [2019-09-20 15:49:58,953 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-09-20 15:49:59,927 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 580 [2019-09-20 15:50:00,006 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:50:00,042 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:50:00,052 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-20 15:50:00,056 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-20 15:50:00,059 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:50:00,060 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:50:00,062 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 385#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:50:00,075 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:50:00,075 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:50:00,077 INFO L168 Benchmark]: Toolchain (without parser) took 28805.28 ms. Allocated memory was 141.0 MB in the beginning and 877.1 MB in the end (delta: 736.1 MB). Free memory was 87.4 MB in the beginning and 429.3 MB in the end (delta: -341.9 MB). Peak memory consumption was 394.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:00,079 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:50:00,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.22 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.2 MB in the beginning and 164.3 MB in the end (delta: -77.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:00,081 INFO L168 Benchmark]: Boogie Preprocessor took 149.33 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 160.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:00,082 INFO L168 Benchmark]: RCFGBuilder took 1831.35 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.1 MB in the beginning and 142.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:00,083 INFO L168 Benchmark]: Sifa took 26068.83 ms. Allocated memory was 228.1 MB in the beginning and 877.1 MB in the end (delta: 649.1 MB). Free memory was 142.3 MB in the beginning and 429.3 MB in the end (delta: -287.0 MB). Peak memory consumption was 362.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:00,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.22 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.2 MB in the beginning and 164.3 MB in the end (delta: -77.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.33 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 160.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1831.35 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.1 MB in the beginning and 142.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * Sifa took 26068.83 ms. Allocated memory was 228.1 MB in the beginning and 877.1 MB in the end (delta: 649.1 MB). Free memory was 142.3 MB in the beginning and 429.3 MB in the end (delta: -287.0 MB). Peak memory consumption was 362.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 26014, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 202, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 131, TOOLS_POST_TIME[ms]: 12138, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 381, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 210, TOOLS_QUANTIFIERELIM_APPLICATIONS: 244, TOOLS_QUANTIFIERELIM_TIME[ms]: 12610, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12010, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 208, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 11194, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1743, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 51, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 142, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13444, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13443, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12473, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12472, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 334, DAG_COMPRESSION_RETAINED_NODES: 191 - UnprovableResult [Line: 778]: 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 385#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...