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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:10:11,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:10:11,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:10:11,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:10:11,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:10:11,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:10:11,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:10:11,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:10:11,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:10:11,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:10:11,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:10:11,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:10:11,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:10:11,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:10:11,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:10:11,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:10:11,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:10:11,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:10:11,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:10:11,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:10:11,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:10:11,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:10:11,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:10:11,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:10:11,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:10:11,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:10:11,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:10:11,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:10:11,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:10:11,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:10:11,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:10:11,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:10:11,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:10:11,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:10:11,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:10:11,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:10:11,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:10:11,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:10:11,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:10:11,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:10:11,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:10:11,272 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 15:10:11,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:10:11,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:10:11,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:10:11,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:10:11,296 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:10:11,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:10:11,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:10:11,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:10:11,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:10:11,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:10:11,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:10:11,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:10:11,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:10:11,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:10:11,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:10:11,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:10:11,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:10:11,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:10:11,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:10:11,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:10:11,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:10:11,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:10:11,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:10:11,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:10:11,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:10:11,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:10:11,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:10:11,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:10:11,303 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 -> NONE [2019-09-20 15:10:11,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:10:11,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:10:11,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:10:11,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:10:11,384 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:10:11,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2019-09-20 15:10:11,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e68295a/74b536d7deba4d5e9dceaed8d35019de/FLAG9129d1f65 [2019-09-20 15:10:11,971 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:10:11,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2019-09-20 15:10:11,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e68295a/74b536d7deba4d5e9dceaed8d35019de/FLAG9129d1f65 [2019-09-20 15:10:12,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e68295a/74b536d7deba4d5e9dceaed8d35019de [2019-09-20 15:10:12,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:10:12,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:10:12,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:10:12,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:10:12,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:10:12,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:12,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cca2c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12, skipping insertion in model container [2019-09-20 15:10:12,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:12,306 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:10:12,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:10:12,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:10:12,824 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:10:12,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:10:12,963 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:10:12,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12 WrapperNode [2019-09-20 15:10:12,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:10:12,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:10:12,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:10:12,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:10:12,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:12,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:12,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:12,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:13,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:13,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:13,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12" (1/1) ... [2019-09-20 15:10:13,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:10:13,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:10:13,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:10:13,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:10:13,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:10:12" (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 15:10:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:10:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:10:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:10:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:10:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:10:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:10:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:10:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:10:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:10:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:10:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:10:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:10:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:10:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:10:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:10:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:10:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:10:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:10:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:10:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:10:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:10:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:10:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:10:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:10:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:10:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:10:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:10:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:10:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:10:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:10:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:10:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:10:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:10:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:10:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:10:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:10:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:10:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:10:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:10:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:10:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:10:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:10:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:10:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:10:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:10:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:10:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:10:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:10:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:10:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:10:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:10:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:10:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:10:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:10:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:10:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:10:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:10:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:10:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:10:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:10:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:10:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:10:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:10:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:10:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:10:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:10:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:10:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:10:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:10:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:10:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:10:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:10:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:10:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:10:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:10:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:10:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:10:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:10:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:10:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:10:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:10:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:10:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:10:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:10:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:10:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:10:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:10:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:10:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:10:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:10:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:10:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:10:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:10:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:10:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:10:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:10:14,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:10:14,882 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:10:14,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:14 BoogieIcfgContainer [2019-09-20 15:10:14,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:10:14,884 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:10:14,884 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:10:14,884 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:10:14,885 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:10:14" (1/1) ... [2019-09-20 15:10:14,886 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:10:14,921 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:10:14,921 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:10:14,930 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:10:14,940 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:10:14,942 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:10:26,366 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:10:26,395 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:10:26,437 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:10:26,452 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:10:27,194 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 28 for LOIs [2019-09-20 15:10:27,234 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2019-09-20 15:10:27,247 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 21 for LOIs [2019-09-20 15:10:27,252 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-20 15:10:27,253 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:10:27,253 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:10:27,256 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 495#(and (not (= 0 ~methAndRunningLastTime~0)) (or (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:10:27,271 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:10:27,272 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:10:27,275 INFO L168 Benchmark]: Toolchain (without parser) took 14982.37 ms. Allocated memory was 133.2 MB in the beginning and 326.1 MB in the end (delta: 192.9 MB). Free memory was 87.9 MB in the beginning and 205.3 MB in the end (delta: -117.4 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:27,277 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:10:27,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.02 ms. Allocated memory was 133.2 MB in the beginning and 198.7 MB in the end (delta: 65.5 MB). Free memory was 87.7 MB in the beginning and 162.0 MB in the end (delta: -74.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:27,280 INFO L168 Benchmark]: Boogie Preprocessor took 104.78 ms. Allocated memory is still 198.7 MB. Free memory was 162.0 MB in the beginning and 158.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:27,285 INFO L168 Benchmark]: RCFGBuilder took 1813.46 ms. Allocated memory was 198.7 MB in the beginning and 223.3 MB in the end (delta: 24.6 MB). Free memory was 158.2 MB in the beginning and 142.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:27,287 INFO L168 Benchmark]: Sifa took 12388.03 ms. Allocated memory was 223.3 MB in the beginning and 326.1 MB in the end (delta: 102.8 MB). Free memory was 142.5 MB in the beginning and 205.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:10:27,300 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.02 ms. Allocated memory was 133.2 MB in the beginning and 198.7 MB in the end (delta: 65.5 MB). Free memory was 87.7 MB in the beginning and 162.0 MB in the end (delta: -74.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.78 ms. Allocated memory is still 198.7 MB. Free memory was 162.0 MB in the beginning and 158.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1813.46 ms. Allocated memory was 198.7 MB in the beginning and 223.3 MB in the end (delta: 24.6 MB). Free memory was 158.2 MB in the beginning and 142.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * Sifa took 12388.03 ms. Allocated memory was 223.3 MB in the beginning and 326.1 MB in the end (delta: 102.8 MB). Free memory was 142.5 MB in the beginning and 205.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 40.0 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]: 12335, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 223, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 151, TOOLS_POST_TIME[ms]: 11518, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 201, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_APPLICATIONS: 264, TOOLS_QUANTIFIERELIM_TIME[ms]: 11694, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11357, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 228, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 80, DOMAIN_JOIN_TIME[ms]: 66, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 47, DOMAIN_ISBOTTOM_TIME[ms]: 290, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 514, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 513, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11439, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11438, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 507, DAG_COMPRESSION_RETAINED_NODES: 209 - UnprovableResult [Line: 82]: 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 495#(and (not (= 0 ~methAndRunningLastTime~0)) (or (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...