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_spec1_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:30:40,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:30:40,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:30:40,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:30:40,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:30:40,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:30:40,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:30:40,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:30:40,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:30:40,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:30:40,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:30:40,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:30:40,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:30:40,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:30:40,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:30:40,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:30:40,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:30:40,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:30:40,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:30:40,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:30:40,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:30:40,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:30:40,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:30:40,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:30:40,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:30:40,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:30:40,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:30:40,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:30:40,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:30:40,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:30:40,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:30:40,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:30:40,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:30:40,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:30:40,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:30:40,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:30:40,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:30:40,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:30:40,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:30:40,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:30:40,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:30:40,895 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 [2019-09-21 08:30:40,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:30:40,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:30:40,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:30:40,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:30:40,921 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:30:40,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:30:40,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:30:40,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:30:40,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:30:40,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:30:40,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:30:40,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:30:40,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:30:40,923 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:30:40,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:30:40,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:30:40,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:30:40,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:30:40,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:30:40,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:30:40,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:30:40,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:30:40,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:30:40,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:30:40,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:30:40,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:30:40,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:30:40,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:30:40,926 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 [2019-09-21 08:30:40,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:30:40,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:30:40,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:30:40,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:30:40,973 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:30:40,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2019-09-21 08:30:41,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2f2d097/836fd6101e6b4d9d81ead40acfd0d38d/FLAGdc94dd707 [2019-09-21 08:30:41,466 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:30:41,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2019-09-21 08:30:41,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2f2d097/836fd6101e6b4d9d81ead40acfd0d38d/FLAGdc94dd707 [2019-09-21 08:30:41,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2f2d097/836fd6101e6b4d9d81ead40acfd0d38d [2019-09-21 08:30:41,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:30:41,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:30:41,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:30:41,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:30:41,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:30:41,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:30:41" (1/1) ... [2019-09-21 08:30:41,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a488234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:41, skipping insertion in model container [2019-09-21 08:30:41,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:30:41" (1/1) ... [2019-09-21 08:30:41,787 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:30:41,835 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:30:42,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:30:42,237 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:30:42,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:30:42,355 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:30:42,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42 WrapperNode [2019-09-21 08:30:42,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:30:42,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:30:42,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:30:42,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:30:42,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42" (1/1) ... [2019-09-21 08:30:42,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42" (1/1) ... [2019-09-21 08:30:42,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42" (1/1) ... [2019-09-21 08:30:42,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42" (1/1) ... [2019-09-21 08:30:42,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42" (1/1) ... [2019-09-21 08:30:42,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42" (1/1) ... [2019-09-21 08:30:42,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42" (1/1) ... [2019-09-21 08:30:42,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:30:42,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:30:42,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:30:42,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:30:42,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:30:42" (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 [2019-09-21 08:30:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:30:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:30:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:30:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:30:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:30:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:30:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:30:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:30:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:30:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:30:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:30:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:30:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:30:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:30:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:30:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:30:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:30:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:30:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:30:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:30:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:30:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:30:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:30:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:30:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:30:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:30:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:30:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:30:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:30:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:30:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-21 08:30:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:30:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:30:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:30:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:30:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:30:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:30:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:30:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:30:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:30:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:30:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:30:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:30:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:30:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:30:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:30:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:30:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:30:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:30:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:30:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:30:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:30:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:30:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:30:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:30:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:30:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:30:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:30:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:30:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:30:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:30:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:30:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:30:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:30:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-21 08:30:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:30:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:30:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:30:43,948 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:30:43,948 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:30:43,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:30:43 BoogieIcfgContainer [2019-09-21 08:30:43,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:30:43,950 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:30:43,950 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:30:43,951 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:30:43,952 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:30:43" (1/1) ... [2019-09-21 08:30:43,952 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 [2019-09-21 08:30:43,974 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:30:43,975 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:30:43,983 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:30:43,991 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:30:43,993 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:30:52,584 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:30:54,259 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:30:54,405 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:30:54,546 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:30:54,671 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:30:54,694 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-21 08:30:54,738 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-21 08:30:54,744 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-21 08:30:54,932 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-21 08:30:55,083 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-21 08:30:55,461 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-21 08:30:55,762 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-21 08:30:56,030 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-21 08:30:56,266 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-09-21 08:30:56,705 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:30:57,063 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:30:57,604 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-21 08:30:57,910 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:30:58,277 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 530 [2019-09-21 08:30:58,628 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 530 [2019-09-21 08:30:58,998 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:30:59,340 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:31:00,006 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 546 [2019-09-21 08:31:00,563 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-21 08:31:01,111 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 538 [2019-09-21 08:31:01,509 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-21 08:31:02,076 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 541 [2019-09-21 08:31:02,410 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-21 08:31:02,837 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 537 [2019-09-21 08:31:03,171 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 535 [2019-09-21 08:31:03,537 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 482 [2019-09-21 08:31:03,687 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-21 08:31:03,826 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2019-09-21 08:31:04,270 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:31:04,552 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:31:04,837 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 525 [2019-09-21 08:31:05,016 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:31:05,626 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 532 [2019-09-21 08:31:05,914 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 532 [2019-09-21 08:31:06,241 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:31:06,545 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:31:07,138 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 548 [2019-09-21 08:31:07,696 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:31:08,171 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 539 [2019-09-21 08:31:08,548 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-09-21 08:31:09,010 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 544 [2019-09-21 08:31:09,319 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 543 [2019-09-21 08:31:09,769 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 543 [2019-09-21 08:31:10,150 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-21 08:31:10,183 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 08:31:10,185 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 507 for LOIs [2019-09-21 08:31:10,388 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 488 [2019-09-21 08:31:10,687 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 500 [2019-09-21 08:31:10,877 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-21 08:31:11,114 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 501 [2019-09-21 08:31:11,116 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-21 08:31:11,118 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-21 08:31:11,120 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:31:11,120 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:31:11,122 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 312#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-21 08:31:11,134 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:31:11,135 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:31:11,143 INFO L168 Benchmark]: Toolchain (without parser) took 29364.51 ms. Allocated memory was 133.2 MB in the beginning and 824.7 MB in the end (delta: 691.5 MB). Free memory was 88.2 MB in the beginning and 119.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 660.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:11,144 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:31:11,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.52 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.0 MB in the beginning and 165.5 MB in the end (delta: -77.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:11,147 INFO L168 Benchmark]: Boogie Preprocessor took 95.58 ms. Allocated memory is still 199.2 MB. Free memory was 165.5 MB in the beginning and 161.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:11,153 INFO L168 Benchmark]: RCFGBuilder took 1497.59 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 161.4 MB in the beginning and 147.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:11,154 INFO L168 Benchmark]: Sifa took 27184.62 ms. Allocated memory was 224.4 MB in the beginning and 824.7 MB in the end (delta: 600.3 MB). Free memory was 147.4 MB in the beginning and 119.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 628.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:11,160 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 583.52 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.0 MB in the beginning and 165.5 MB in the end (delta: -77.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.58 ms. Allocated memory is still 199.2 MB. Free memory was 165.5 MB in the beginning and 161.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1497.59 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 161.4 MB in the beginning and 147.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * Sifa took 27184.62 ms. Allocated memory was 224.4 MB in the beginning and 824.7 MB in the end (delta: 600.3 MB). Free memory was 147.4 MB in the beginning and 119.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 628.6 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]: 27147, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 164, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 110, TOOLS_POST_TIME[ms]: 10586, TOOLS_POST_CALL_APPLICATIONS: 46, TOOLS_POST_CALL_TIME[ms]: 369, TOOLS_POST_RETURN_APPLICATIONS: 39, TOOLS_POST_RETURN_TIME[ms]: 242, TOOLS_QUANTIFIERELIM_APPLICATIONS: 194, TOOLS_QUANTIFIERELIM_TIME[ms]: 11067, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10356, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 168, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 51, DOMAIN_JOIN_TIME[ms]: 13208, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 2335, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 59, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 226, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11713, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11713, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 39, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10743, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10741, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 302, DAG_COMPRESSION_RETAINED_NODES: 172 - UnprovableResult [Line: 496]: 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 312#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...