java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:50:40,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:50:40,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:50:40,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:50:40,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:50:40,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:50:40,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:50:40,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:50:40,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:50:40,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:50:40,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:50:40,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:50:40,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:50:40,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:50:40,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:50:40,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:50:40,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:50:40,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:50:40,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:50:40,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:50:40,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:50:40,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:50:40,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:50:40,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:50:40,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:50:40,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:50:40,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:50:40,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:50:40,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:50:40,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:50:40,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:50:40,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:50:40,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:50:40,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:50:40,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:50:40,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:50:40,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:50:40,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:50:40,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:50:40,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:50:40,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:50:40,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:50:40,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:50:40,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:50:40,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:50:40,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:50:40,513 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:50:40,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:50:40,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:50:40,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:50:40,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:50:40,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:50:40,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:50:40,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:50:40,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:50:40,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:50:40,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:50:40,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:50:40,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:50:40,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:50:40,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:50:40,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:50:40,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:50:40,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:50:40,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:50:40,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:50:40,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:50:40,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:50:40,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:50:40,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:50:40,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:50:40,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:50:40,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:50:40,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:50:40,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:50:40,566 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:50:40,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2019-09-20 15:50:40,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19de8c5ad/fe25233951f142ada08e5d09f15c5984/FLAG9ff853c61 [2019-09-20 15:50:41,220 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:50:41,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2019-09-20 15:50:41,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19de8c5ad/fe25233951f142ada08e5d09f15c5984/FLAG9ff853c61 [2019-09-20 15:50:41,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19de8c5ad/fe25233951f142ada08e5d09f15c5984 [2019-09-20 15:50:41,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:50:41,479 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:50:41,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:50:41,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:50:41,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:50:41,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:50:41" (1/1) ... [2019-09-20 15:50:41,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ade0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:41, skipping insertion in model container [2019-09-20 15:50:41,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:50:41" (1/1) ... [2019-09-20 15:50:41,492 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:50:41,555 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:50:42,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:50:42,091 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:50:42,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:50:42,276 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:50:42,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42 WrapperNode [2019-09-20 15:50:42,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:50:42,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:50:42,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:50:42,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:50:42,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42" (1/1) ... [2019-09-20 15:50:42,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42" (1/1) ... [2019-09-20 15:50:42,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42" (1/1) ... [2019-09-20 15:50:42,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42" (1/1) ... [2019-09-20 15:50:42,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42" (1/1) ... [2019-09-20 15:50:42,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42" (1/1) ... [2019-09-20 15:50:42,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42" (1/1) ... [2019-09-20 15:50:42,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:50:42,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:50:42,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:50:42,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:50:42,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:50:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:50:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:50:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:50:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:50:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:50:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:50:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:50:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:50:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:50:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:50:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:50:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:50:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:50:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:50:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:50:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:50:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:50:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:50:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:50:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:50:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:50:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:50:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:50:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:50:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:50:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:50:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:50:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:50:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:50:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:50:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:50:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:50:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:50:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:50:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:50:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:50:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:50:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:50:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:50:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:50:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:50:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:50:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:50:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:50:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:50:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:50:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:50:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:50:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:50:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:50:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:50:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:50:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:50:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:50:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:50:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:50:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:50:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:50:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:50:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:50:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:50:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:50:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:50:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:50:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:50:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:50:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:50:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:50:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:50:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:50:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:50:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:50:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:50:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:50:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:50:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:50:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:50:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:50:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:50:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:50:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:50:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:50:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:50:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:50:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:50:44,042 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:50:44,042 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:50:44,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:50:44 BoogieIcfgContainer [2019-09-20 15:50:44,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:50:44,045 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:50:44,045 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:50:44,045 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:50:44,047 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:50:44" (1/1) ... [2019-09-20 15:50:44,047 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:50:44,075 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:50:44,076 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:50:44,084 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:50:44,097 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:50:44,099 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:50:54,884 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:50:56,681 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:50:56,862 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:57,023 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:57,149 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:50:57,171 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:50:57,228 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:50:57,244 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:50:57,404 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:50:57,574 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:50:57,942 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:58,312 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:58,652 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:58,959 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:59,238 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:59,464 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:59,669 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:50:59,891 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:51:00,424 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:00,770 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:01,726 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:02,140 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:02,613 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:03,074 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:03,470 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-20 15:51:03,788 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-20 15:51:04,465 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:04,764 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:05,250 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:05,530 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:05,823 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:06,116 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:06,806 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-20 15:51:07,113 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-20 15:51:07,612 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:07,908 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:08,422 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:08,721 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:08,998 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:09,290 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:09,963 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-20 15:51:10,266 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-20 15:51:10,762 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:11,072 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:51:11,511 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:11,802 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:12,093 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-20 15:51:12,381 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:51:12,770 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 520 [2019-09-20 15:51:13,142 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 520 [2019-09-20 15:51:13,260 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:51:13,290 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:51:13,307 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-20 15:51:13,310 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:51:13,311 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:51:13,311 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:51:13,313 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 824#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:51:13,326 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:51:13,326 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:51:13,328 INFO L168 Benchmark]: Toolchain (without parser) took 31848.91 ms. Allocated memory was 138.9 MB in the beginning and 872.4 MB in the end (delta: 733.5 MB). Free memory was 84.0 MB in the beginning and 534.3 MB in the end (delta: -450.3 MB). Peak memory consumption was 283.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:13,329 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:51:13,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.82 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 83.8 MB in the beginning and 165.9 MB in the end (delta: -82.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:13,330 INFO L168 Benchmark]: Boogie Preprocessor took 82.47 ms. Allocated memory is still 200.8 MB. Free memory was 165.9 MB in the beginning and 161.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:13,332 INFO L168 Benchmark]: RCFGBuilder took 1682.93 ms. Allocated memory was 200.8 MB in the beginning and 222.8 MB in the end (delta: 22.0 MB). Free memory was 161.5 MB in the beginning and 140.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:13,333 INFO L168 Benchmark]: Sifa took 29281.52 ms. Allocated memory was 222.8 MB in the beginning and 872.4 MB in the end (delta: 649.6 MB). Free memory was 140.1 MB in the beginning and 534.3 MB in the end (delta: -394.2 MB). Peak memory consumption was 255.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:51:13,337 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.82 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 83.8 MB in the beginning and 165.9 MB in the end (delta: -82.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.47 ms. Allocated memory is still 200.8 MB. Free memory was 165.9 MB in the beginning and 161.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1682.93 ms. Allocated memory was 200.8 MB in the beginning and 222.8 MB in the end (delta: 22.0 MB). Free memory was 161.5 MB in the beginning and 140.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * Sifa took 29281.52 ms. Allocated memory was 222.8 MB in the beginning and 872.4 MB in the end (delta: 649.6 MB). Free memory was 140.1 MB in the beginning and 534.3 MB in the end (delta: -394.2 MB). Peak memory consumption was 255.4 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]: 29238, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 398, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 268, TOOLS_POST_TIME[ms]: 12927, TOOLS_POST_CALL_APPLICATIONS: 111, TOOLS_POST_CALL_TIME[ms]: 379, TOOLS_POST_RETURN_APPLICATIONS: 102, TOOLS_POST_RETURN_TIME[ms]: 289, TOOLS_QUANTIFIERELIM_APPLICATIONS: 481, TOOLS_QUANTIFIERELIM_TIME[ms]: 13409, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12693, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 409, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 127, DOMAIN_JOIN_TIME[ms]: 14705, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 242, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 73, DOMAIN_ISBOTTOM_APPLICATIONS: 83, DOMAIN_ISBOTTOM_TIME[ms]: 439, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13296, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13295, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 102, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13176, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13174, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 502, DAG_COMPRESSION_RETAINED_NODES: 266 - 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 824#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...