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_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:17,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:17,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:17,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:17,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:17,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:17,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:17,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:17,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:17,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:17,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:17,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:17,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:17,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:17,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:17,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:17,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:17,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:17,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:17,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:17,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:17,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:17,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:17,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:17,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:17,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:17,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:17,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:17,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:17,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:17,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:17,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:17,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:17,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:17,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:17,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:17,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:17,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:17,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:17,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:17,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:17,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:52:17,132 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:17,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:17,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:17,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:17,134 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:17,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:17,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:17,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:17,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:17,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:17,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:17,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:17,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:17,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:17,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:17,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:17,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:17,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:17,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:17,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:17,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:17,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:17,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:17,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:17,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:17,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:17,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:17,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:17,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:52:17,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:17,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:17,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:17,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:17,216 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:17,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-20 15:52:17,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f257e4fc/e50ba27a011240cd95c53accefa75ce4/FLAG1b76789c8 [2019-09-20 15:52:17,823 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:17,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-09-20 15:52:17,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f257e4fc/e50ba27a011240cd95c53accefa75ce4/FLAG1b76789c8 [2019-09-20 15:52:18,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f257e4fc/e50ba27a011240cd95c53accefa75ce4 [2019-09-20 15:52:18,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:18,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:18,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:18,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:18,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:18,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dfa99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18, skipping insertion in model container [2019-09-20 15:52:18,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:18,200 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:18,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:18,652 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:18,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:18,772 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:18,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18 WrapperNode [2019-09-20 15:52:18,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:18,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:18,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:18,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:18,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18" (1/1) ... [2019-09-20 15:52:18,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:18,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:18,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:18,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:18,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:52:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:52:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:20,843 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:20,843 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:20,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:20 BoogieIcfgContainer [2019-09-20 15:52:20,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:20,846 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:20,846 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:20,846 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:20,848 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:20" (1/1) ... [2019-09-20 15:52:20,848 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:52:20,886 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:20,887 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:20,899 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:20,909 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:20,911 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:52:29,522 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:52:31,421 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:52:31,589 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:31,740 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:31,865 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:52:31,888 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:52:31,938 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:52:31,943 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:52:32,399 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:32,764 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:33,080 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:33,335 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:33,791 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:34,126 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:34,921 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:35,534 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:52:35,899 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:36,188 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:52:36,793 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:52:37,128 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:52:37,311 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:52:37,345 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:52:37,359 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 15:52:37,362 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-20 15:52:37,364 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:37,365 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:37,367 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 401#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:37,387 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:37,388 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:37,392 INFO L168 Benchmark]: Toolchain (without parser) took 19261.32 ms. Allocated memory was 132.1 MB in the beginning and 628.6 MB in the end (delta: 496.5 MB). Free memory was 87.2 MB in the beginning and 84.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 498.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,397 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:52:37,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.00 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 87.2 MB in the beginning and 165.2 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,403 INFO L168 Benchmark]: Boogie Preprocessor took 138.80 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 161.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,406 INFO L168 Benchmark]: RCFGBuilder took 1932.35 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 161.1 MB in the beginning and 146.1 MB in the end (delta: 15.1 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,407 INFO L168 Benchmark]: Sifa took 16542.33 ms. Allocated memory was 222.3 MB in the beginning and 628.6 MB in the end (delta: 406.3 MB). Free memory was 146.1 MB in the beginning and 84.9 MB in the end (delta: 61.2 MB). Peak memory consumption was 467.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:37,414 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.00 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 87.2 MB in the beginning and 165.2 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.80 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 161.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1932.35 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 161.1 MB in the beginning and 146.1 MB in the end (delta: 15.1 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 16542.33 ms. Allocated memory was 222.3 MB in the beginning and 628.6 MB in the end (delta: 406.3 MB). Free memory was 146.1 MB in the beginning and 84.9 MB in the end (delta: 61.2 MB). Peak memory consumption was 467.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 16481, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 201, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 134, TOOLS_POST_TIME[ms]: 10680, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 134, TOOLS_POST_RETURN_APPLICATIONS: 49, TOOLS_POST_RETURN_TIME[ms]: 91, TOOLS_QUANTIFIERELIM_APPLICATIONS: 241, TOOLS_QUANTIFIERELIM_TIME[ms]: 10812, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10597, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 64, DOMAIN_JOIN_TIME[ms]: 5091, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 186, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 136, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5319, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5318, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 49, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11077, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11076, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 322, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 680]: 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 401#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...