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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:33:33,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:33:33,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:33:33,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:33:33,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:33:33,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:33:33,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:33:33,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:33:33,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:33:33,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:33:33,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:33:33,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:33:33,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:33:33,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:33:33,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:33:33,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:33:33,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:33:33,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:33:33,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:33:33,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:33:33,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:33:33,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:33:33,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:33:33,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:33:33,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:33:33,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:33:33,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:33:33,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:33:33,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:33:33,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:33:33,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:33:33,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:33:33,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:33:33,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:33:34,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:33:34,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:33:34,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:33:34,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:33:34,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:33:34,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:33:34,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:33:34,006 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 08:33:34,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:33:34,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:33:34,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:33:34,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:33:34,032 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:33:34,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:33:34,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:33:34,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:33:34,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:33:34,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:33:34,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:33:34,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:33:34,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:33:34,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:33:34,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:33:34,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:33:34,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:33:34,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:33:34,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:33:34,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:33:34,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:33:34,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:33:34,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:33:34,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:33:34,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:33:34,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:33:34,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:33:34,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:33:34,039 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 08:33:34,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:33:34,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:33:34,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:33:34,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:33:34,127 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:33:34,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2019-09-21 08:33:34,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3335d58/20c06f1b89cc4b5ca9057dee9896ac03/FLAGeed37c097 [2019-09-21 08:33:34,655 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:33:34,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2019-09-21 08:33:34,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3335d58/20c06f1b89cc4b5ca9057dee9896ac03/FLAGeed37c097 [2019-09-21 08:33:35,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3335d58/20c06f1b89cc4b5ca9057dee9896ac03 [2019-09-21 08:33:35,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:33:35,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:33:35,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:33:35,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:33:35,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:33:35,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35, skipping insertion in model container [2019-09-21 08:33:35,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,043 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:33:35,115 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:33:35,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:33:35,668 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:33:35,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:33:35,798 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:33:35,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35 WrapperNode [2019-09-21 08:33:35,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:33:35,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:33:35,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:33:35,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:33:35,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35" (1/1) ... [2019-09-21 08:33:35,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:33:35,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:33:35,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:33:35,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:33:35,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:33:35" (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 08:33:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:33:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:33:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:33:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:33:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:33:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:33:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:33:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:33:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:33:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:33:35,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:33:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:33:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:33:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-21 08:33:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:33:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:33:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:33:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:33:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:33:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:33:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:33:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:33:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:33:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:33:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:33:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:33:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:33:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:33:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:33:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:33:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:33:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:33:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:33:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:33:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-21 08:33:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:33:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:33:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:33:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:33:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:33:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:33:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:33:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:33:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:33:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:33:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:33:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:33:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:33:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:33:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:33:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:33:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:33:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:33:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:33:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:33:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:33:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-21 08:33:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:33:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:33:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:33:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:33:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:33:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-21 08:33:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:33:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:33:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-21 08:33:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-21 08:33:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:33:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:33:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:33:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:33:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:33:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-21 08:33:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:33:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:33:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:33:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:33:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:33:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:33:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:33:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:33:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:33:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:33:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:33:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:33:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:33:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:33:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:33:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:33:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:33:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:33:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:33:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:33:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:33:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:33:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:33:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:33:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:33:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:33:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:33:37,603 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:33:37,604 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:33:37,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:33:37 BoogieIcfgContainer [2019-09-21 08:33:37,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:33:37,606 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:33:37,606 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:33:37,607 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:33:37,608 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:33:37" (1/1) ... [2019-09-21 08:33:37,609 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 08:33:37,635 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:33:37,635 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:33:37,645 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:33:37,655 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:33:37,657 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:33:47,767 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:33:49,450 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:33:49,610 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:49,738 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:49,870 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:33:49,898 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-21 08:33:49,957 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-21 08:33:49,974 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-21 08:33:50,529 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:33:50,915 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:33:51,232 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-21 08:33:51,491 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-21 08:33:51,722 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-21 08:33:51,904 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-21 08:33:52,435 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:52,801 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:33:53,313 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-21 08:33:54,627 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-21 08:33:54,650 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:33:54,661 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-21 08:33:54,664 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:33:54,665 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:33:54,666 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:33:54,668 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1212#(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))) [2019-09-21 08:33:54,681 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:33:54,681 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:33:54,683 INFO L168 Benchmark]: Toolchain (without parser) took 19657.56 ms. Allocated memory was 141.6 MB in the beginning and 554.7 MB in the end (delta: 413.1 MB). Free memory was 87.6 MB in the beginning and 470.0 MB in the end (delta: -382.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:54,684 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:33:54,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.60 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 87.4 MB in the beginning and 164.7 MB in the end (delta: -77.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:54,687 INFO L168 Benchmark]: Boogie Preprocessor took 85.88 ms. Allocated memory is still 199.8 MB. Free memory was 164.7 MB in the beginning and 160.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:54,688 INFO L168 Benchmark]: RCFGBuilder took 1719.94 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 160.0 MB in the beginning and 139.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:33:54,689 INFO L168 Benchmark]: Sifa took 17075.16 ms. Allocated memory was 227.5 MB in the beginning and 554.7 MB in the end (delta: 327.2 MB). Free memory was 139.3 MB in the beginning and 470.0 MB in the end (delta: -330.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:33:54,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 772.60 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 87.4 MB in the beginning and 164.7 MB in the end (delta: -77.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.88 ms. Allocated memory is still 199.8 MB. Free memory was 164.7 MB in the beginning and 160.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1719.94 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 160.0 MB in the beginning and 139.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * Sifa took 17075.16 ms. Allocated memory was 227.5 MB in the beginning and 554.7 MB in the end (delta: 327.2 MB). Free memory was 139.3 MB in the beginning and 470.0 MB in the end (delta: -330.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 17033, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 534, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 379, TOOLS_POST_TIME[ms]: 12011, TOOLS_POST_CALL_APPLICATIONS: 134, TOOLS_POST_CALL_TIME[ms]: 245, TOOLS_POST_RETURN_APPLICATIONS: 125, TOOLS_POST_RETURN_TIME[ms]: 103, TOOLS_QUANTIFIERELIM_APPLICATIONS: 638, TOOLS_QUANTIFIERELIM_TIME[ms]: 12210, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11881, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 552, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 4213, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 115, DOMAIN_ISBOTTOM_TIME[ms]: 219, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4204, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4204, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 125, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12386, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12385, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 55, DAG_COMPRESSION_PROCESSED_NODES: 1647, DAG_COMPRESSION_RETAINED_NODES: 358 - UnprovableResult [Line: 995]: 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 1212#(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...