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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:42:20,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:42:20,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:42:20,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:42:20,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:42:20,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:42:20,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:42:20,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:42:20,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:42:20,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:42:20,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:42:20,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:42:20,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:42:20,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:42:20,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:42:20,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:42:20,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:42:20,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:42:20,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:42:20,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:42:20,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:42:20,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:42:20,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:42:20,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:42:20,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:42:20,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:42:20,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:42:20,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:42:20,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:42:20,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:42:20,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:42:20,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:42:20,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:42:20,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:42:20,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:42:20,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:42:20,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:42:20,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:42:20,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:42:20,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:42:20,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:42:20,402 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 15:42:20,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:42:20,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:42:20,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:42:20,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:42:20,426 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:42:20,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:42:20,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:42:20,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:42:20,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:42:20,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:42:20,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:42:20,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:42:20,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:42:20,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:42:20,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:42:20,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:42:20,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:42:20,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:42:20,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:42:20,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:42:20,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:42:20,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:42:20,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:42:20,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:42:20,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:42:20,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:42:20,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:42:20,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:42:20,432 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 [2019-09-25 15:42:20,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:42:20,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:42:20,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:42:20,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:42:20,502 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:42:20,503 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-25 15:42:20,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11ad7d57/44bfcb7e699747d1be4c3be4cecafc26/FLAGc992dff5d [2019-09-25 15:42:21,114 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:42:21,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-09-25 15:42:21,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11ad7d57/44bfcb7e699747d1be4c3be4cecafc26/FLAGc992dff5d [2019-09-25 15:42:21,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11ad7d57/44bfcb7e699747d1be4c3be4cecafc26 [2019-09-25 15:42:21,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:42:21,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:42:21,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:42:21,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:42:21,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:42:21,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:42:21" (1/1) ... [2019-09-25 15:42:21,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ef31e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:21, skipping insertion in model container [2019-09-25 15:42:21,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:42:21" (1/1) ... [2019-09-25 15:42:21,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:42:21,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:42:22,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:42:22,023 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:42:22,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:42:22,169 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:42:22,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22 WrapperNode [2019-09-25 15:42:22,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:42:22,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:42:22,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:42:22,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:42:22,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22" (1/1) ... [2019-09-25 15:42:22,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22" (1/1) ... [2019-09-25 15:42:22,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22" (1/1) ... [2019-09-25 15:42:22,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22" (1/1) ... [2019-09-25 15:42:22,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22" (1/1) ... [2019-09-25 15:42:22,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22" (1/1) ... [2019-09-25 15:42:22,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22" (1/1) ... [2019-09-25 15:42:22,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:42:22,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:42:22,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:42:22,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:42:22,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:42:22" (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 15:42:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:42:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:42:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 15:42:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 15:42:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 15:42:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 15:42:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 15:42:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 15:42:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 15:42:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 15:42:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 15:42:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 15:42:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 15:42:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 15:42:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 15:42:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 15:42:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 15:42:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 15:42:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 15:42:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 15:42:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 15:42:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 15:42:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 15:42:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 15:42:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 15:42:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 15:42:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 15:42:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 15:42:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 15:42:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 15:42:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-25 15:42:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 15:42:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 15:42:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 15:42:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 15:42:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 15:42:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 15:42:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 15:42:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 15:42:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:42:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:42:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:42:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 15:42:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 15:42:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 15:42:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:42:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:42:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 15:42:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:42:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:42:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:42:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:42:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 15:42:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:42:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 15:42:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 15:42:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:42:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 15:42:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 15:42:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:42:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 15:42:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 15:42:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 15:42:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 15:42:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 15:42:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 15:42:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 15:42:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 15:42:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 15:42:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 15:42:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 15:42:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 15:42:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 15:42:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 15:42:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 15:42:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 15:42:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 15:42:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-25 15:42:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 15:42:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 15:42:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 15:42:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 15:42:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 15:42:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 15:42:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 15:42:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 15:42:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 15:42:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 15:42:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 15:42:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 15:42:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:42:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:42:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:42:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:42:23,908 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:42:23,909 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 15:42:23,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:42:23 BoogieIcfgContainer [2019-09-25 15:42:23,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:42:23,911 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:42:23,911 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:42:23,911 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:42:23,913 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:42:23" (1/1) ... [2019-09-25 15:42:23,913 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:42:23,939 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:42:23,939 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:42:23,952 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:42:23,964 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:42:23,966 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:42:33,901 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 15:42:35,909 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 15:42:36,068 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:36,256 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:36,403 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 15:42:36,420 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 15:42:36,466 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 15:42:36,471 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 15:42:36,970 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 15:42:37,291 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 15:42:37,785 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-25 15:42:37,900 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-09-25 15:42:38,274 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 15:42:38,603 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 15:42:38,969 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-25 15:42:39,085 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-25 15:42:39,369 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 15:42:39,595 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 15:42:39,812 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 15:42:39,818 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-25 15:42:39,879 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 63 for LOIs [2019-09-25 15:42:39,884 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 77 for LOIs [2019-09-25 15:42:39,894 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:42:39,895 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:42:39,897 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 430#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 15:42:39,911 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:42:39,912 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:42:39,914 INFO L168 Benchmark]: Toolchain (without parser) took 18439.36 ms. Allocated memory was 131.6 MB in the beginning and 458.8 MB in the end (delta: 327.2 MB). Free memory was 86.2 MB in the beginning and 337.6 MB in the end (delta: -251.4 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:39,915 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory is still 105.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:42:39,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.20 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.2 MB in the beginning and 163.2 MB in the end (delta: -77.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:39,917 INFO L168 Benchmark]: Boogie Preprocessor took 96.63 ms. Allocated memory is still 198.2 MB. Free memory was 163.2 MB in the beginning and 158.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:39,918 INFO L168 Benchmark]: RCFGBuilder took 1642.50 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 158.5 MB in the beginning and 142.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:39,919 INFO L168 Benchmark]: Sifa took 16000.84 ms. Allocated memory was 220.2 MB in the beginning and 458.8 MB in the end (delta: 238.6 MB). Free memory was 142.0 MB in the beginning and 337.6 MB in the end (delta: -195.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:42:39,922 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory is still 105.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.20 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.2 MB in the beginning and 163.2 MB in the end (delta: -77.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.63 ms. Allocated memory is still 198.2 MB. Free memory was 163.2 MB in the beginning and 158.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1642.50 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 158.5 MB in the beginning and 142.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. * Sifa took 16000.84 ms. Allocated memory was 220.2 MB in the beginning and 458.8 MB in the end (delta: 238.6 MB). Free memory was 142.0 MB in the beginning and 337.6 MB in the end (delta: -195.6 MB). Peak memory consumption was 43.0 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]: 15958, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 186, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 12081, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 139, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 12184, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12019, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 188, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 60, DOMAIN_JOIN_TIME[ms]: 3138, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 233, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 147, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2360, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2359, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12478, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12477, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 338, DAG_COMPRESSION_RETAINED_NODES: 188 - UnprovableResult [Line: 44]: 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 430#(and (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...