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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:34:42,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:34:42,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:34:42,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:34:42,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:34:42,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:34:42,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:34:42,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:34:42,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:34:42,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:34:42,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:34:42,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:34:42,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:34:42,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:34:42,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:34:42,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:34:42,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:34:42,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:34:42,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:34:42,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:34:42,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:34:42,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:34:42,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:34:42,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:34:42,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:34:42,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:34:42,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:34:42,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:34:42,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:34:42,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:34:42,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:34:42,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:34:42,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:34:42,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:34:42,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:34:42,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:34:42,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:34:42,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:34:42,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:34:42,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:34:42,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:34:42,219 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 08:34:42,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:34:42,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:34:42,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:34:42,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:34:42,248 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:34:42,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:34:42,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:34:42,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:34:42,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:34:42,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:34:42,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:34:42,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:34:42,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:34:42,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:34:42,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:34:42,250 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:34:42,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:34:42,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:34:42,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:34:42,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:34:42,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:34:42,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:34:42,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:34:42,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:34:42,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:34:42,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:34:42,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:34:42,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:34:42,254 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 08:34:42,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:34:42,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:34:42,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:34:42,303 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:34:42,303 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:34:42,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-21 08:34:42,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420508596/16623f0c17694d459ab717ff4d920aa6/FLAG9b50d6bac [2019-09-21 08:34:42,964 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:34:42,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-21 08:34:42,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420508596/16623f0c17694d459ab717ff4d920aa6/FLAG9b50d6bac [2019-09-21 08:34:43,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420508596/16623f0c17694d459ab717ff4d920aa6 [2019-09-21 08:34:43,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:34:43,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:34:43,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:34:43,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:34:43,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:34:43,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:43,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43, skipping insertion in model container [2019-09-21 08:34:43,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:43,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:34:43,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:34:43,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:34:43,749 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:34:43,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:34:43,884 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:34:43,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43 WrapperNode [2019-09-21 08:34:43,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:34:43,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:34:43,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:34:43,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:34:43,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:43,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:43,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:43,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:43,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:43,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:43,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (1/1) ... [2019-09-21 08:34:44,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:34:44,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:34:44,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:34:44,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:34:44,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:43" (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 08:34:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:34:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:34:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:34:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:34:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:34:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:34:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:34:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:34:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:34:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:34:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:34:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:34:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:34:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:34:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:34:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:34:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:34:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:34:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:34:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:34:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:34:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:34:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:34:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:34:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:34:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:34:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:34:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:34:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:34:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:34:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:34:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:34:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:34:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:34:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:34:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:34:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:34:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:34:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:34:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:34:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:34:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:34:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:34:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:34:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:34:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:34:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:34:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:34:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:34:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:34:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:34:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:34:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:34:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:34:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:34:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:34:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:34:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:34:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:34:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:34:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:34:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:34:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:34:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:34:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:34:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:34:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:34:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:34:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:34:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:34:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:34:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:34:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:34:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:34:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:34:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:34:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:34:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:34:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:34:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:34:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:34:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:34:45,662 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:34:45,663 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:34:45,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:45 BoogieIcfgContainer [2019-09-21 08:34:45,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:34:45,665 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:34:45,666 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:34:45,666 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:34:45,667 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:45" (1/1) ... [2019-09-21 08:34:45,668 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 08:34:45,705 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:34:45,706 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:34:45,719 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:34:45,730 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:34:45,731 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:34:55,451 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:34:57,040 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:34:57,183 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:34:57,336 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:34:57,449 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:34:57,465 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 476 for LOIs [2019-09-21 08:34:57,519 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 476 for LOIs [2019-09-21 08:34:57,525 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 476 for LOIs [2019-09-21 08:34:58,020 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2019-09-21 08:34:58,410 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2019-09-21 08:34:58,781 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 521 [2019-09-21 08:34:58,916 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-21 08:34:59,128 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 530 [2019-09-21 08:34:59,217 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-21 08:34:59,304 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-21 08:34:59,316 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 12 for LOIs [2019-09-21 08:34:59,322 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:34:59,325 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:34:59,325 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:34:59,328 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 759#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))) [2019-09-21 08:34:59,346 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:34:59,347 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:34:59,350 INFO L168 Benchmark]: Toolchain (without parser) took 16072.80 ms. Allocated memory was 130.5 MB in the beginning and 399.0 MB in the end (delta: 268.4 MB). Free memory was 85.3 MB in the beginning and 255.6 MB in the end (delta: -170.3 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:34:59,352 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:34:59,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.41 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 162.1 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:34:59,360 INFO L168 Benchmark]: Boogie Preprocessor took 125.82 ms. Allocated memory is still 198.2 MB. Free memory was 162.1 MB in the beginning and 158.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:34:59,362 INFO L168 Benchmark]: RCFGBuilder took 1652.73 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 158.1 MB in the beginning and 148.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:34:59,363 INFO L168 Benchmark]: Sifa took 13681.91 ms. Allocated memory was 217.6 MB in the beginning and 399.0 MB in the end (delta: 181.4 MB). Free memory was 148.9 MB in the beginning and 255.6 MB in the end (delta: -106.7 MB). Peak memory consumption was 74.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:34:59,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.41 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 162.1 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.82 ms. Allocated memory is still 198.2 MB. Free memory was 162.1 MB in the beginning and 158.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1652.73 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 158.1 MB in the beginning and 148.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. * Sifa took 13681.91 ms. Allocated memory was 217.6 MB in the beginning and 399.0 MB in the end (delta: 181.4 MB). Free memory was 148.9 MB in the beginning and 255.6 MB in the end (delta: -106.7 MB). Peak memory consumption was 74.7 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]: 13623, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 223, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 152, TOOLS_POST_TIME[ms]: 11444, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 156, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 58, TOOLS_QUANTIFIERELIM_APPLICATIONS: 257, TOOLS_QUANTIFIERELIM_TIME[ms]: 11563, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11361, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 10, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 1644, DOMAIN_ALPHA_APPLICATIONS: 10, DOMAIN_ALPHA_TIME[ms]: 60, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 22, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 26, DOMAIN_ISBOTTOM_TIME[ms]: 52, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1222, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1221, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11737, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11736, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 570, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 44]: 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 759#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...