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_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:09:41,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:09:41,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:09:41,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:09:41,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:09:41,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:09:41,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:09:41,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:09:41,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:09:41,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:09:41,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:09:41,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:09:41,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:09:41,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:09:41,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:09:41,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:09:41,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:09:41,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:09:41,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:09:41,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:09:41,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:09:41,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:09:41,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:09:41,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:09:41,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:09:41,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:09:41,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:09:41,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:09:41,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:09:41,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:09:41,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:09:41,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:09:41,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:09:41,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:09:41,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:09:41,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:09:41,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:09:41,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:09:41,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:09:41,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:09:41,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:09:41,439 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 [2019-09-17 06:09:41,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:09:41,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:09:41,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:09:41,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:09:41,454 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:09:41,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:09:41,454 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:09:41,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:09:41,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:09:41,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:09:41,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:09:41,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:09:41,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:09:41,455 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:09:41,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:09:41,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:09:41,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:09:41,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:09:41,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:09:41,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:09:41,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:09:41,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:09:41,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:09:41,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:09:41,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:09:41,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:09:41,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:09:41,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:09:41,458 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 [2019-09-17 06:09:41,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:09:41,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:09:41,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:09:41,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:09:41,513 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:09:41,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-17 06:09:41,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a733115dc/8585b8f4a8804874b8c7124ca34ac417/FLAG6fa355f76 [2019-09-17 06:09:42,079 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:09:42,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-17 06:09:42,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a733115dc/8585b8f4a8804874b8c7124ca34ac417/FLAG6fa355f76 [2019-09-17 06:09:42,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a733115dc/8585b8f4a8804874b8c7124ca34ac417 [2019-09-17 06:09:42,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:09:42,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:09:42,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:09:42,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:09:42,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:09:42,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:09:42" (1/1) ... [2019-09-17 06:09:42,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc1d1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:42, skipping insertion in model container [2019-09-17 06:09:42,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:09:42" (1/1) ... [2019-09-17 06:09:42,420 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:09:42,478 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:09:42,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:09:42,937 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:09:43,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:09:43,056 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:09:43,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43 WrapperNode [2019-09-17 06:09:43,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:09:43,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:09:43,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:09:43,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:09:43,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43" (1/1) ... [2019-09-17 06:09:43,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43" (1/1) ... [2019-09-17 06:09:43,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43" (1/1) ... [2019-09-17 06:09:43,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43" (1/1) ... [2019-09-17 06:09:43,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43" (1/1) ... [2019-09-17 06:09:43,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43" (1/1) ... [2019-09-17 06:09:43,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43" (1/1) ... [2019-09-17 06:09:43,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:09:43,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:09:43,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:09:43,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:09:43,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:09:43" (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 [2019-09-17 06:09:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:09:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:09:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:09:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:09:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:09:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:09:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:09:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:09:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:09:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:09:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:09:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:09:43,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:09:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:09:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:09:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:09:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:09:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:09:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:09:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:09:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:09:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:09:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:09:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:09:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:09:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:09:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:09:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:09:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:09:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:09:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:09:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:09:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:09:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:09:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:09:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:09:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:09:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:09:43,217 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:09:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:09:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:09:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:09:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:09:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:09:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:09:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:09:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:09:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:09:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:09:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:09:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:09:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:09:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:09:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:09:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:09:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:09:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:09:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:09:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:09:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:09:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:09:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:09:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:09:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:09:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:09:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:09:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:09:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:09:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:09:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:09:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:09:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:09:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:09:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:09:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:09:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:09:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:09:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:09:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:09:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:09:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:09:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:09:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:09:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:09:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:09:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:09:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:09:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:09:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:09:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:09:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:09:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:09:44,654 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:09:44,655 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:09:44,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:09:44 BoogieIcfgContainer [2019-09-17 06:09:44,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:09:44,657 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:09:44,657 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:09:44,658 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:09:44,659 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:09:44" (1/1) ... [2019-09-17 06:09:44,659 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 [2019-09-17 06:09:44,692 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:09:44,692 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:09:44,701 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:09:44,710 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:09:44,712 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:09:54,089 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 06:09:55,756 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:09:55,880 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:09:56,011 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:09:56,131 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:09:56,149 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-17 06:09:56,206 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-17 06:09:56,222 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-17 06:09:56,387 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-17 06:09:56,518 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-17 06:09:56,994 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-17 06:09:57,339 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-17 06:09:57,593 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-17 06:09:57,836 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-17 06:09:58,274 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 06:09:58,617 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 06:09:59,273 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-17 06:09:59,566 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-17 06:10:00,068 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-17 06:10:00,405 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-17 06:10:00,788 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-09-17 06:10:01,086 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-17 06:10:01,615 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 541 [2019-09-17 06:10:02,137 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-17 06:10:02,647 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 522 [2019-09-17 06:10:03,048 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-17 06:10:03,627 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 526 [2019-09-17 06:10:04,004 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 06:10:04,818 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-17 06:10:05,566 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-17 06:10:05,910 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 486 [2019-09-17 06:10:06,582 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 06:10:06,857 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 06:10:07,382 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-17 06:10:07,863 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-17 06:10:08,620 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-17 06:10:08,962 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-17 06:10:09,255 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 06:10:09,534 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 06:10:10,068 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-17 06:10:10,525 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-17 06:10:10,962 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 525 [2019-09-17 06:10:11,242 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 06:10:11,719 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 532 [2019-09-17 06:10:12,095 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-17 06:10:12,509 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 534 [2019-09-17 06:10:12,862 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:10:12,902 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 06:10:12,908 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 499 for LOIs [2019-09-17 06:10:13,173 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 494 [2019-09-17 06:10:13,461 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 506 [2019-09-17 06:10:13,651 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-17 06:10:13,874 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 507 [2019-09-17 06:10:13,876 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-17 06:10:13,878 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-17 06:10:13,880 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:10:13,880 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:10:13,882 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 360#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:10:13,891 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:10:13,892 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:10:13,893 INFO L168 Benchmark]: Toolchain (without parser) took 31488.92 ms. Allocated memory was 131.1 MB in the beginning and 974.1 MB in the end (delta: 843.1 MB). Free memory was 85.8 MB in the beginning and 294.4 MB in the end (delta: -208.6 MB). Peak memory consumption was 634.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:13,894 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:10:13,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.68 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.6 MB in the beginning and 164.5 MB in the end (delta: -78.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:13,896 INFO L168 Benchmark]: Boogie Preprocessor took 78.88 ms. Allocated memory is still 198.2 MB. Free memory was 164.5 MB in the beginning and 160.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:13,897 INFO L168 Benchmark]: RCFGBuilder took 1520.05 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 160.5 MB in the beginning and 145.4 MB in the end (delta: 15.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:13,898 INFO L168 Benchmark]: Sifa took 29234.88 ms. Allocated memory was 219.2 MB in the beginning and 974.1 MB in the end (delta: 755.0 MB). Free memory was 145.4 MB in the beginning and 294.4 MB in the end (delta: -149.0 MB). Peak memory consumption was 605.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:10:13,910 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.68 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.6 MB in the beginning and 164.5 MB in the end (delta: -78.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.88 ms. Allocated memory is still 198.2 MB. Free memory was 164.5 MB in the beginning and 160.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1520.05 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 160.5 MB in the beginning and 145.4 MB in the end (delta: 15.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Sifa took 29234.88 ms. Allocated memory was 219.2 MB in the beginning and 974.1 MB in the end (delta: 755.0 MB). Free memory was 145.4 MB in the beginning and 294.4 MB in the end (delta: -149.0 MB). Peak memory consumption was 605.9 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]: 29190, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 11338, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 440, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 234, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 11856, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11089, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 186, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 14712, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 2007, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 59, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 245, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12964, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12964, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11547, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11546, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 359, DAG_COMPRESSION_RETAINED_NODES: 185 - 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 360#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...