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_spec5_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:12:55,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:12:55,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:12:55,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:12:55,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:12:55,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:12:55,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:12:55,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:12:55,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:12:55,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:12:55,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:12:55,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:12:55,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:12:55,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:12:55,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:12:55,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:12:55,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:12:55,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:12:55,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:12:55,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:12:55,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:12:55,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:12:55,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:12:55,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:12:55,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:12:55,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:12:55,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:12:55,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:12:55,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:12:55,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:12:55,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:12:55,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:12:55,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:12:55,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:12:55,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:12:55,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:12:55,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:12:55,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:12:55,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:12:55,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:12:55,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:12:55,258 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 15:12:55,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:12:55,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:12:55,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:12:55,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:12:55,279 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:12:55,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:12:55,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:12:55,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:12:55,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:12:55,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:12:55,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:12:55,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:12:55,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:12:55,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:12:55,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:12:55,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:12:55,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:12:55,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:12:55,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:12:55,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:12:55,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:12:55,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:12:55,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:12:55,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:12:55,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:12:55,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:12:55,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:12:55,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:12:55,284 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 15:12:55,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:12:55,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:12:55,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:12:55,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:12:55,342 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:12:55,344 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2019-09-20 15:12:55,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a2c599e/7b99aea548a34a27963a58646a49ee10/FLAGd9e301623 [2019-09-20 15:12:56,025 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:12:56,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2019-09-20 15:12:56,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a2c599e/7b99aea548a34a27963a58646a49ee10/FLAGd9e301623 [2019-09-20 15:12:56,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a2c599e/7b99aea548a34a27963a58646a49ee10 [2019-09-20 15:12:56,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:12:56,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:12:56,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:12:56,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:12:56,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:12:56,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:56,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13669d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56, skipping insertion in model container [2019-09-20 15:12:56,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:56,312 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:12:56,375 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:12:56,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:12:56,814 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:12:56,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:12:56,952 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:12:56,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56 WrapperNode [2019-09-20 15:12:56,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:12:56,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:12:56,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:12:56,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:12:56,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:56,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:56,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:56,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:57,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:57,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:57,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56" (1/1) ... [2019-09-20 15:12:57,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:12:57,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:12:57,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:12:57,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:12:57,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:56" (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 15:12:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:12:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:12:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:12:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:12:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:12:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:12:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:12:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:12:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:12:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:12:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:12:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:12:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:12:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:12:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:12:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:12:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:12:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:12:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:12:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:12:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:12:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:12:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:12:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:12:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:12:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:12:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:12:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:12:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:12:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:12:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:12:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:12:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:12:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:12:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:12:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:12:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:12:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:12:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:12:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:12:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:12:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:12:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:12:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:12:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:12:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:12:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:12:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:12:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:12:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:12:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:12:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:12:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:12:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:12:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:12:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:12:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:12:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:12:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:12:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:12:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:12:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:12:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:12:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:12:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:12:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 15:12:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:12:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:12:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:12:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:12:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:12:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:12:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:12:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:12:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:12:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:12:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:12:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:12:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:12:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:12:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:12:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:12:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:12:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:12:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:12:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:12:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:12:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:12:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:12:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:12:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:12:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:12:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:12:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:12:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:12:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:12:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:12:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:12:58,632 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:12:58,633 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:12:58,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:58 BoogieIcfgContainer [2019-09-20 15:12:58,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:12:58,635 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:12:58,635 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:12:58,636 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:12:58,637 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:58" (1/1) ... [2019-09-20 15:12:58,638 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 15:12:58,670 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:12:58,670 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:12:58,685 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:12:58,701 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:12:58,702 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:13:09,732 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:13:09,760 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:13:09,804 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:13:09,819 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:13:10,483 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:13:10,513 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:13:10,523 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:13:10,528 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:13:10,529 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:13:10,529 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:13:10,531 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 766#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:13:10,551 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:13:10,552 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:13:10,555 INFO L168 Benchmark]: Toolchain (without parser) took 14255.80 ms. Allocated memory was 131.6 MB in the beginning and 328.2 MB in the end (delta: 196.6 MB). Free memory was 86.8 MB in the beginning and 258.1 MB in the end (delta: -171.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:10,557 INFO L168 Benchmark]: CDTParser took 1.78 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:13:10,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.38 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.5 MB in the beginning and 162.5 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:10,560 INFO L168 Benchmark]: Boogie Preprocessor took 83.77 ms. Allocated memory is still 198.2 MB. Free memory was 162.5 MB in the beginning and 157.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:10,567 INFO L168 Benchmark]: RCFGBuilder took 1597.69 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 157.8 MB in the beginning and 140.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:10,568 INFO L168 Benchmark]: Sifa took 11917.30 ms. Allocated memory was 220.2 MB in the beginning and 328.2 MB in the end (delta: 108.0 MB). Free memory was 140.0 MB in the beginning and 258.1 MB in the end (delta: -118.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:13:10,578 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.78 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.38 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.5 MB in the beginning and 162.5 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.77 ms. Allocated memory is still 198.2 MB. Free memory was 162.5 MB in the beginning and 157.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1597.69 ms. Allocated memory was 198.2 MB in the beginning and 220.2 MB in the end (delta: 22.0 MB). Free memory was 157.8 MB in the beginning and 140.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * Sifa took 11917.30 ms. Allocated memory was 220.2 MB in the beginning and 328.2 MB in the end (delta: 108.0 MB). Free memory was 140.0 MB in the beginning and 258.1 MB in the end (delta: -118.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11862, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 366, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 255, TOOLS_POST_TIME[ms]: 11072, TOOLS_POST_CALL_APPLICATIONS: 96, TOOLS_POST_CALL_TIME[ms]: 163, TOOLS_POST_RETURN_APPLICATIONS: 87, TOOLS_POST_RETURN_TIME[ms]: 73, TOOLS_QUANTIFIERELIM_APPLICATIONS: 438, TOOLS_QUANTIFIERELIM_TIME[ms]: 11177, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10946, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 379, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 126, DOMAIN_JOIN_TIME[ms]: 63, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 78, DOMAIN_ISBOTTOM_TIME[ms]: 268, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 306, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 306, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 87, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11033, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11032, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 832, DAG_COMPRESSION_RETAINED_NODES: 292 - 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 766#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~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...