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 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:48:18,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:48:18,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:48:18,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:48:18,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:48:18,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:48:18,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:48:18,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:48:18,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:48:18,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:48:18,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:48:18,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:48:18,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:48:18,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:48:18,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:48:18,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:48:18,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:48:18,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:48:18,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:48:18,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:48:18,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:48:18,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:48:18,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:48:18,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:48:18,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:48:18,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:48:18,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:48:18,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:48:18,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:48:18,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:48:18,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:48:18,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:48:18,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:48:18,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:48:18,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:48:18,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:48:18,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:48:18,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:48:18,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:48:18,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:48:18,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:48:18,398 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 17:48:18,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:48:18,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:48:18,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:48:18,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:48:18,415 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:48:18,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:48:18,416 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:48:18,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:48:18,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:48:18,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:48:18,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:48:18,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:48:18,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:48:18,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:48:18,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:48:18,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:48:18,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:48:18,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:48:18,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:48:18,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:48:18,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:48:18,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:48:18,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:48:18,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:48:18,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:48:18,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:48:18,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:48:18,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:48:18,420 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 -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:48:18,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:48:18,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:48:18,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:48:18,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:48:18,475 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:48:18,476 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2019-09-25 17:48:18,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d0d92cd/39097a8922b34d73802bf7dd2d4e74d3/FLAG9e16d3372 [2019-09-25 17:48:19,035 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:48:19,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2019-09-25 17:48:19,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d0d92cd/39097a8922b34d73802bf7dd2d4e74d3/FLAG9e16d3372 [2019-09-25 17:48:19,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d0d92cd/39097a8922b34d73802bf7dd2d4e74d3 [2019-09-25 17:48:19,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:48:19,343 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:48:19,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:48:19,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:48:19,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:48:19,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:48:19" (1/1) ... [2019-09-25 17:48:19,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cce3650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:19, skipping insertion in model container [2019-09-25 17:48:19,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:48:19" (1/1) ... [2019-09-25 17:48:19,356 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:48:19,400 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:48:19,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:48:19,913 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:48:20,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:48:20,062 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:48:20,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20 WrapperNode [2019-09-25 17:48:20,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:48:20,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:48:20,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:48:20,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:48:20,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20" (1/1) ... [2019-09-25 17:48:20,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20" (1/1) ... [2019-09-25 17:48:20,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20" (1/1) ... [2019-09-25 17:48:20,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20" (1/1) ... [2019-09-25 17:48:20,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20" (1/1) ... [2019-09-25 17:48:20,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20" (1/1) ... [2019-09-25 17:48:20,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20" (1/1) ... [2019-09-25 17:48:20,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:48:20,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:48:20,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:48:20,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:48:20,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:48:20" (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 17:48:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:48:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:48:20,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:48:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:48:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:48:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:48:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:48:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:48:20,241 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:48:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:48:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:48:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:48:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:48:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:48:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:48:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:48:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:48:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:48:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:48:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:48:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:48:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:48:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:48:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:48:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:48:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:48:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:48:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:48:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:48:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:48:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:48:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:48:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:48:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:48:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:48:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:48:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:48:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:48:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:48:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:48:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:48:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:48:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:48:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:48:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:48:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:48:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:48:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:48:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:48:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:48:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:48:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:48:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:48:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:48:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:48:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:48:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:48:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:48:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:48:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:48:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:48:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:48:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:48:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:48:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:48:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:48:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:48:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:48:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:48:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:48:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:48:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:48:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:48:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:48:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:48:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:48:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:48:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:48:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:48:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:48:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:48:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:48:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:48:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:48:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:48:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:48:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:48:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:48:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:48:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:48:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:48:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:48:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:48:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:48:22,005 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:48:22,005 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:48:22,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:48:22 BoogieIcfgContainer [2019-09-25 17:48:22,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:48:22,007 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:48:22,007 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:48:22,008 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:48:22,009 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:48:22" (1/1) ... [2019-09-25 17:48:22,010 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:48:22,034 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:48:22,034 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:48:22,044 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:48:22,053 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:48:22,054 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:48:32,462 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:48:34,125 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:48:34,306 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:34,431 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:34,572 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:48:34,588 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:48:34,641 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:48:34,659 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:48:34,894 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 17:48:35,006 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-25 17:48:35,499 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:35,969 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:36,289 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:36,638 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:36,866 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:37,160 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:37,340 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:37,582 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:37,758 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:38,019 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:38,199 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:38,437 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:38,620 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:38,850 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:48:39,542 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:48:41,784 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:48:43,186 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:48:45,567 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:48:46,644 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-25 17:48:47,614 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:48:47,899 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:48:48,595 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:48:48,874 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:48:49,207 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:48:49,212 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 81 for LOIs [2019-09-25 17:48:49,268 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 17:48:49,272 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:48:49,279 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:48:49,279 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:48:49,281 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1565#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string4.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string36.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-25 17:48:49,293 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:48:49,294 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:48:49,296 INFO L168 Benchmark]: Toolchain (without parser) took 29952.52 ms. Allocated memory was 140.5 MB in the beginning and 835.2 MB in the end (delta: 694.7 MB). Free memory was 87.2 MB in the beginning and 541.0 MB in the end (delta: -453.8 MB). Peak memory consumption was 240.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:49,297 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:48:49,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.08 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 87.0 MB in the beginning and 167.5 MB in the end (delta: -80.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:49,298 INFO L168 Benchmark]: Boogie Preprocessor took 107.99 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 163.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:49,299 INFO L168 Benchmark]: RCFGBuilder took 1835.39 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 163.1 MB in the beginning and 148.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:49,300 INFO L168 Benchmark]: Sifa took 27286.57 ms. Allocated memory was 227.0 MB in the beginning and 835.2 MB in the end (delta: 608.2 MB). Free memory was 148.5 MB in the beginning and 541.0 MB in the end (delta: -392.5 MB). Peak memory consumption was 215.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:49,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.08 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 87.0 MB in the beginning and 167.5 MB in the end (delta: -80.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.99 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 163.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1835.39 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 163.1 MB in the beginning and 148.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Sifa took 27286.57 ms. Allocated memory was 227.0 MB in the beginning and 835.2 MB in the end (delta: 608.2 MB). Free memory was 148.5 MB in the beginning and 541.0 MB in the end (delta: -392.5 MB). Peak memory consumption was 215.7 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]: 27247, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 609, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 409, TOOLS_POST_TIME[ms]: 12393, TOOLS_POST_CALL_APPLICATIONS: 158, TOOLS_POST_CALL_TIME[ms]: 359, TOOLS_POST_RETURN_APPLICATIONS: 151, TOOLS_POST_RETURN_TIME[ms]: 172, TOOLS_QUANTIFIERELIM_APPLICATIONS: 717, TOOLS_QUANTIFIERELIM_TIME[ms]: 12692, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12189, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 633, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 188, DOMAIN_JOIN_TIME[ms]: 13552, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 164, DOMAIN_ISSUBSETEQ_APPLICATIONS: 24, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 112, DOMAIN_ISBOTTOM_TIME[ms]: 342, LOOP_SUMMARIZER_APPLICATIONS: 16, LOOP_SUMMARIZER_CACHE_MISSES: 16, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5103, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5099, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 24, CALL_SUMMARIZER_APPLICATIONS: 151, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12615, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12614, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 649, DAG_COMPRESSION_RETAINED_NODES: 330 - UnprovableResult [Line: 685]: 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 1565#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string8.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string4.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string12.offset| 0) (= |#t~string46.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string60.offset| 0) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string70.offset| 0) (= |#t~string36.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...