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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:58:24,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:58:24,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:58:24,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:58:24,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:58:24,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:58:24,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:58:24,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:58:24,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:58:24,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:58:24,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:58:24,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:58:24,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:58:24,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:58:24,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:58:24,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:58:24,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:58:24,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:58:24,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:58:24,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:58:24,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:58:24,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:58:24,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:58:24,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:58:24,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:58:24,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:58:24,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:58:24,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:58:24,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:58:24,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:58:24,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:58:24,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:58:24,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:58:24,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:58:24,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:58:24,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:58:24,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:58:24,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:58:24,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:58:24,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:58:24,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:58:24,507 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 [2019-10-15 06:58:24,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:58:24,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:58:24,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:58:24,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:58:24,522 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:58:24,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:58:24,522 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:58:24,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:58:24,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:58:24,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:58:24,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:58:24,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:58:24,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:58:24,524 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:58:24,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:58:24,524 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:58:24,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:58:24,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:58:24,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:58:24,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:58:24,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:58:24,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:58:24,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:58:24,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:58:24,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:58:24,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:58:24,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:58:24,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:58:24,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:58:24,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:58:24,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:58:24,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:58:24,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:58:24,840 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:58:24,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-10-15 06:58:24,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dec8361/c81b08fc7f2547b7845c4dfdf3da51f4/FLAG4f68b80a5 [2019-10-15 06:58:25,381 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:58:25,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-10-15 06:58:25,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dec8361/c81b08fc7f2547b7845c4dfdf3da51f4/FLAG4f68b80a5 [2019-10-15 06:58:25,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dec8361/c81b08fc7f2547b7845c4dfdf3da51f4 [2019-10-15 06:58:25,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:58:25,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:58:25,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:58:25,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:58:25,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:58:25,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:58:25" (1/1) ... [2019-10-15 06:58:25,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:25, skipping insertion in model container [2019-10-15 06:58:25,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:58:25" (1/1) ... [2019-10-15 06:58:25,792 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:58:25,858 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:58:26,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:58:26,273 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:58:26,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:58:26,447 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:58:26,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26 WrapperNode [2019-10-15 06:58:26,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:58:26,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:58:26,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:58:26,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:58:26,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26" (1/1) ... [2019-10-15 06:58:26,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26" (1/1) ... [2019-10-15 06:58:26,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26" (1/1) ... [2019-10-15 06:58:26,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26" (1/1) ... [2019-10-15 06:58:26,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26" (1/1) ... [2019-10-15 06:58:26,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26" (1/1) ... [2019-10-15 06:58:26,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26" (1/1) ... [2019-10-15 06:58:26,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:58:26,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:58:26,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:58:26,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:58:26,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:26" (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 [2019-10-15 06:58:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:58:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:58:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:58:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:58:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:58:26,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:58:26,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:58:26,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:58:26,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:58:26,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:58:26,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:58:26,660 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:58:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:58:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:58:26,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:58:26,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:58:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:58:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 06:58:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:58:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:58:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:58:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:58:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:58:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:58:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:58:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:58:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:58:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:58:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:58:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:58:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:58:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:58:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 06:58:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:58:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:58:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:58:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:58:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:58:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 06:58:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:58:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 06:58:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:58:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:58:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:58:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:58:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:58:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:58:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:58:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:58:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:58:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:58:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:58:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:58:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:58:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:58:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:58:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:58:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:58:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:58:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:58:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:58:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:58:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:58:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:58:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:58:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:58:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:58:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:58:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:58:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:58:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:58:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 06:58:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:58:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:58:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:58:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:58:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:58:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:58:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:58:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:58:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:58:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:58:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:58:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:58:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:58:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:58:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:58:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 06:58:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:58:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:58:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 06:58:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:58:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:58:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 06:58:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:58:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:58:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:58:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:58:28,412 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:58:28,413 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:58:28,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:58:28 BoogieIcfgContainer [2019-10-15 06:58:28,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:58:28,416 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:58:28,416 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:58:28,416 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:58:28,418 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:58:28" (1/1) ... [2019-10-15 06:58:28,418 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-10-15 06:58:28,447 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:58:28,447 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:58:28,457 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:58:28,467 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:58:28,469 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:58:39,012 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-15 06:58:40,886 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:58:41,031 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:41,164 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:41,300 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:41,549 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-15 06:58:41,575 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-15 06:58:41,646 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-15 06:58:41,653 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-15 06:58:41,954 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:58:42,129 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:58:42,748 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:58:43,303 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:58:43,723 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:58:43,896 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 06:58:44,311 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2019-10-15 06:58:50,438 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 06:58:50,902 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:58:50,905 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 140 for LOIs [2019-10-15 06:58:51,152 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-10-15 06:58:51,160 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 140 for LOIs [2019-10-15 06:58:51,242 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:58:51,256 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:58:51,256 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:58:51,258 INFO L168 Benchmark]: Toolchain (without parser) took 25487.01 ms. Allocated memory was 137.4 MB in the beginning and 714.6 MB in the end (delta: 577.2 MB). Free memory was 100.9 MB in the beginning and 157.1 MB in the end (delta: -56.2 MB). Peak memory consumption was 521.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:51,259 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:58:51,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.81 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 168.0 MB in the end (delta: -67.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:51,271 INFO L168 Benchmark]: Boogie Preprocessor took 112.39 ms. Allocated memory is still 201.3 MB. Free memory was 168.0 MB in the beginning and 163.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:51,272 INFO L168 Benchmark]: RCFGBuilder took 1853.82 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 163.2 MB in the beginning and 140.7 MB in the end (delta: 22.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:51,273 INFO L168 Benchmark]: Sifa took 22841.07 ms. Allocated memory was 232.8 MB in the beginning and 714.6 MB in the end (delta: 481.8 MB). Free memory was 140.7 MB in the beginning and 157.1 MB in the end (delta: -16.3 MB). Peak memory consumption was 465.5 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:51,285 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 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.81 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 168.0 MB in the end (delta: -67.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.39 ms. Allocated memory is still 201.3 MB. Free memory was 168.0 MB in the beginning and 163.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1853.82 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 163.2 MB in the beginning and 140.7 MB in the end (delta: 22.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * Sifa took 22841.07 ms. Allocated memory was 232.8 MB in the beginning and 714.6 MB in the end (delta: 481.8 MB). Free memory was 140.7 MB in the beginning and 157.1 MB in the end (delta: -16.3 MB). Peak memory consumption was 465.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 22795, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 274, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 181, TOOLS_POST_TIME[ms]: 12604, TOOLS_POST_CALL_APPLICATIONS: 78, TOOLS_POST_CALL_TIME[ms]: 227, TOOLS_POST_RETURN_APPLICATIONS: 71, TOOLS_POST_RETURN_TIME[ms]: 121, TOOLS_QUANTIFIERELIM_APPLICATIONS: 329, TOOLS_QUANTIFIERELIM_TIME[ms]: 12827, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12496, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 280, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 92, DOMAIN_JOIN_TIME[ms]: 8929, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 529, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 50, DOMAIN_ISBOTTOM_TIME[ms]: 204, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5905, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5905, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 71, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13274, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13273, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 440, DAG_COMPRESSION_RETAINED_NODES: 233 - UnprovableResult [Line: 439]: 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 883#(and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string46.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 ~waterLevel~0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string44.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...