java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:51:01,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:51:01,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:51:01,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:51:01,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:51:01,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:51:01,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:51:01,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:51:01,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:51:01,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:51:01,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:51:01,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:51:01,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:51:01,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:51:01,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:51:01,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:51:01,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:51:01,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:51:01,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:51:01,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:51:01,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:51:01,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:51:01,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:51:01,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:51:01,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:51:01,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:51:01,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:51:01,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:51:01,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:51:01,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:51:01,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:51:01,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:51:01,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:51:01,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:51:01,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:51:01,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:51:01,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:51:01,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:51:01,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:51:01,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:51:01,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:51:01,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 17:51:01,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:51:01,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:51:01,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:51:01,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:51:01,151 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:51:01,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:51:01,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:51:01,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:51:01,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:51:01,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:51:01,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:51:01,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:51:01,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:51:01,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:51:01,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:51:01,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:51:01,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:51:01,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:51:01,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:51:01,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:51:01,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:51:01,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:51:01,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:51:01,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:51:01,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:51:01,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:51:01,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:51:01,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:51:01,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:51:01,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:51:01,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:51:01,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:51:01,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:51:01,223 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:51:01,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-09-25 17:51:01,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10a5a522c/d672711a88e149f28c03e019fc7f75a8/FLAGb5b7d8b49 [2019-09-25 17:51:01,798 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:51:01,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-09-25 17:51:01,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10a5a522c/d672711a88e149f28c03e019fc7f75a8/FLAGb5b7d8b49 [2019-09-25 17:51:02,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10a5a522c/d672711a88e149f28c03e019fc7f75a8 [2019-09-25 17:51:02,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:51:02,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:51:02,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:51:02,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:51:02,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:51:02,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656fafd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02, skipping insertion in model container [2019-09-25 17:51:02,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,104 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:51:02,158 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:51:02,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:51:02,693 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:51:02,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:51:02,808 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:51:02,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02 WrapperNode [2019-09-25 17:51:02,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:51:02,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:51:02,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:51:02,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:51:02,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02" (1/1) ... [2019-09-25 17:51:02,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:51:02,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:51:02,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:51:02,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:51:02,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:51:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:51:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:51:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:51:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:51:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:51:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:51:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:51:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:51:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:51:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:51:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:51:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:51:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:51:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:51:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:51:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:51:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:51:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 17:51:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:51:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:51:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:51:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:51:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:51:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:51:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:51:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:51:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:51:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:51:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:51:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:51:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:51:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:51:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:51:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:51:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:51:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:51:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:51:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:51:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:51:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:51:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:51:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:51:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:51:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:51:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:51:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:51:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:51:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:51:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:51:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:51:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:51:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:51:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:51:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:51:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:51:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:51:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:51:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:51:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:51:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:51:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:51:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:51:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:51:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:51:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:51:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:51:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:51:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:51:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:51:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:51:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:51:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:51:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:51:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:51:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:51:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:51:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:51:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:51:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:51:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:51:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:51:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:51:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:51:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:51:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:51:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:51:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 17:51:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:51:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:51:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:51:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:51:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:51:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:51:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:51:04,731 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:51:04,731 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:51:04,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:51:04 BoogieIcfgContainer [2019-09-25 17:51:04,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:51:04,733 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:51:04,734 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:51:04,734 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:51:04,735 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:51:04" (1/1) ... [2019-09-25 17:51:04,736 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:51:04,773 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:51:04,773 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:51:04,786 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:51:04,798 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:51:04,800 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:51:13,745 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:51:15,483 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:51:15,635 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:15,805 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:15,937 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:15,964 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:51:16,035 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:51:16,040 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:51:16,239 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:51:16,361 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:51:16,776 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:17,165 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:17,444 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:17,792 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:18,010 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:18,258 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:18,418 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:18,651 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:18,848 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:19,067 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:19,237 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:19,477 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:19,649 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:19,937 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:20,443 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:22,739 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:24,515 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:27,720 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:28,348 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-25 17:51:28,502 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-25 17:51:29,386 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:30,696 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:31,710 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 17:51:31,938 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:51:32,157 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 17:51:32,381 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:51:32,813 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-25 17:51:33,058 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:51:33,059 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 78 for LOIs [2019-09-25 17:51:33,105 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-25 17:51:33,109 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 76 for LOIs [2019-09-25 17:51:33,115 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:51:33,115 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:51:33,117 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1854#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string22.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 17:51:33,128 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:51:33,128 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:51:33,130 INFO L168 Benchmark]: Toolchain (without parser) took 31041.92 ms. Allocated memory was 130.5 MB in the beginning and 955.3 MB in the end (delta: 824.7 MB). Free memory was 85.4 MB in the beginning and 393.1 MB in the end (delta: -307.7 MB). Peak memory consumption was 517.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:33,131 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:51:33,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.65 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 85.0 MB in the beginning and 160.2 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:33,133 INFO L168 Benchmark]: Boogie Preprocessor took 91.57 ms. Allocated memory is still 197.7 MB. Free memory was 160.2 MB in the beginning and 155.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:33,134 INFO L168 Benchmark]: RCFGBuilder took 1831.15 ms. Allocated memory was 197.7 MB in the beginning and 216.5 MB in the end (delta: 18.9 MB). Free memory was 155.3 MB in the beginning and 137.5 MB in the end (delta: 17.9 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:33,135 INFO L168 Benchmark]: Sifa took 28394.90 ms. Allocated memory was 216.5 MB in the beginning and 955.3 MB in the end (delta: 738.7 MB). Free memory was 137.5 MB in the beginning and 393.1 MB in the end (delta: -255.6 MB). Peak memory consumption was 483.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:33,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.65 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 85.0 MB in the beginning and 160.2 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.57 ms. Allocated memory is still 197.7 MB. Free memory was 160.2 MB in the beginning and 155.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1831.15 ms. Allocated memory was 197.7 MB in the beginning and 216.5 MB in the end (delta: 18.9 MB). Free memory was 155.3 MB in the beginning and 137.5 MB in the end (delta: 17.9 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * Sifa took 28394.90 ms. Allocated memory was 216.5 MB in the beginning and 955.3 MB in the end (delta: 738.7 MB). Free memory was 137.5 MB in the beginning and 393.1 MB in the end (delta: -255.6 MB). Peak memory consumption was 483.1 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]: 28345, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 667, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 430, TOOLS_POST_TIME[ms]: 10991, TOOLS_POST_CALL_APPLICATIONS: 185, TOOLS_POST_CALL_TIME[ms]: 415, TOOLS_POST_RETURN_APPLICATIONS: 178, TOOLS_POST_RETURN_TIME[ms]: 243, TOOLS_QUANTIFIERELIM_APPLICATIONS: 792, TOOLS_QUANTIFIERELIM_TIME[ms]: 11395, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10751, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 693, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 195, DOMAIN_JOIN_TIME[ms]: 15689, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 279, DOMAIN_ISSUBSETEQ_APPLICATIONS: 26, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 114, DOMAIN_ISBOTTOM_TIME[ms]: 430, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6580, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6579, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 26, CALL_SUMMARIZER_APPLICATIONS: 178, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11235, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11233, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 699, DAG_COMPRESSION_RETAINED_NODES: 371 - UnprovableResult [Line: 946]: 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 1854#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string67.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string46.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string22.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...