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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:09:32,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:09:32,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:09:32,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:09:32,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:09:32,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:09:32,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:09:32,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:09:32,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:09:32,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:09:32,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:09:32,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:09:32,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:09:32,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:09:32,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:09:32,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:09:32,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:09:32,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:09:32,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:09:32,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:09:32,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:09:32,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:09:32,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:09:32,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:09:32,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:09:32,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:09:32,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:09:32,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:09:32,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:09:32,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:09:32,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:09:32,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:09:32,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:09:32,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:09:32,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:09:32,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:09:32,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:09:32,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:09:32,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:09:32,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:09:32,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:09:32,412 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 [2019-09-25 17:09:32,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:09:32,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:09:32,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:09:32,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:09:32,428 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:09:32,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:09:32,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:09:32,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:09:32,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:09:32,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:09:32,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:09:32,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:09:32,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:09:32,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:09:32,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:09:32,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:09:32,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:09:32,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:09:32,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:09:32,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:09:32,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:09:32,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:09:32,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:09:32,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:09:32,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:09:32,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:09:32,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:09:32,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:09:32,433 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:09:32,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:09:32,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:09:32,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:09:32,508 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:09:32,508 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:09:32,509 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-25 17:09:32,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4abd7eeee/27a4ca5567cc4f9f90761c78758f7e3c/FLAG2496529e1 [2019-09-25 17:09:33,148 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:09:33,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-09-25 17:09:33,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4abd7eeee/27a4ca5567cc4f9f90761c78758f7e3c/FLAG2496529e1 [2019-09-25 17:09:33,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4abd7eeee/27a4ca5567cc4f9f90761c78758f7e3c [2019-09-25 17:09:33,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:09:33,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:09:33,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:33,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:09:33,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:09:33,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:33" (1/1) ... [2019-09-25 17:09:33,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc444e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:33, skipping insertion in model container [2019-09-25 17:09:33,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:33" (1/1) ... [2019-09-25 17:09:33,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:09:33,484 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:09:33,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:33,973 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:09:34,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:34,141 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:09:34,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34 WrapperNode [2019-09-25 17:09:34,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:34,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:09:34,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:09:34,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:09:34,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34" (1/1) ... [2019-09-25 17:09:34,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34" (1/1) ... [2019-09-25 17:09:34,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34" (1/1) ... [2019-09-25 17:09:34,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34" (1/1) ... [2019-09-25 17:09:34,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34" (1/1) ... [2019-09-25 17:09:34,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34" (1/1) ... [2019-09-25 17:09:34,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34" (1/1) ... [2019-09-25 17:09:34,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:09:34,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:09:34,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:09:34,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:09:34,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:34" (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 [2019-09-25 17:09:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:09:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:09:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:09:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:09:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:09:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:09:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:09:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:09:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:09:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:09:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:09:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:09:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:09:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:09:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:09:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:09:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:09:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:09:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:09:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:09:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:09:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:09:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:09:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:09:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:09:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:09:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:09:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:09:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:09:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:09:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:09:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:09:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:09:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:09:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:09:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:09:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:09:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:09:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:09:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:09:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:09:35,915 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:09:35,916 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:09:35,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:35 BoogieIcfgContainer [2019-09-25 17:09:35,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:09:35,918 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:09:35,918 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:09:35,919 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:09:35,920 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:35" (1/1) ... [2019-09-25 17:09:35,921 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:09:35,963 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:09:35,963 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:09:35,978 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:09:35,991 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:09:35,992 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:09:45,359 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:09:47,097 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:09:47,263 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:47,445 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:47,581 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:47,597 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-25 17:09:47,642 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-25 17:09:47,648 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-25 17:09:48,103 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-25 17:09:48,426 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:09:48,564 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:09:48,925 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-25 17:09:49,434 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:09:49,923 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-25 17:09:50,115 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 515 [2019-09-25 17:09:50,301 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 515 [2019-09-25 17:09:50,502 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-25 17:09:50,533 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-25 17:09:50,540 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-25 17:09:50,543 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-25 17:09:50,544 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:09:50,545 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:09:50,547 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 779#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-25 17:09:50,562 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:09:50,562 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:09:50,564 INFO L168 Benchmark]: Toolchain (without parser) took 17139.20 ms. Allocated memory was 131.1 MB in the beginning and 466.1 MB in the end (delta: 335.0 MB). Free memory was 85.9 MB in the beginning and 350.4 MB in the end (delta: -264.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:50,567 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. [2019-09-25 17:09:50,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.23 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.7 MB in the beginning and 164.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:50,574 INFO L168 Benchmark]: Boogie Preprocessor took 93.58 ms. Allocated memory is still 198.7 MB. Free memory was 164.2 MB in the beginning and 160.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:50,576 INFO L168 Benchmark]: RCFGBuilder took 1681.95 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 160.2 MB in the beginning and 145.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:50,580 INFO L168 Benchmark]: Sifa took 14643.93 ms. Allocated memory was 219.2 MB in the beginning and 466.1 MB in the end (delta: 246.9 MB). Free memory was 145.9 MB in the beginning and 350.4 MB in the end (delta: -204.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:50,584 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 715.23 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.7 MB in the beginning and 164.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.58 ms. Allocated memory is still 198.7 MB. Free memory was 164.2 MB in the beginning and 160.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1681.95 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 160.2 MB in the beginning and 145.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. * Sifa took 14643.93 ms. Allocated memory was 219.2 MB in the beginning and 466.1 MB in the end (delta: 246.9 MB). Free memory was 145.9 MB in the beginning and 350.4 MB in the end (delta: -204.5 MB). Peak memory consumption was 42.5 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]: 14585, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 309, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 217, TOOLS_POST_TIME[ms]: 11288, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME[ms]: 191, TOOLS_POST_RETURN_APPLICATIONS: 68, TOOLS_POST_RETURN_TIME[ms]: 74, TOOLS_QUANTIFIERELIM_APPLICATIONS: 362, TOOLS_QUANTIFIERELIM_TIME[ms]: 11435, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11179, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 327, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 89, DOMAIN_JOIN_TIME[ms]: 2428, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 301, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 92, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2293, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2293, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 68, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11649, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11648, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 604, DAG_COMPRESSION_RETAINED_NODES: 216 - UnprovableResult [Line: 177]: 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 779#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...