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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:47:51,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:47:51,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:47:51,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:47:51,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:47:51,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:47:51,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:47:51,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:47:51,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:47:51,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:47:51,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:47:51,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:47:51,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:47:51,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:47:51,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:47:51,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:47:51,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:47:51,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:47:51,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:47:51,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:47:51,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:47:51,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:47:51,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:47:51,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:47:51,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:47:51,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:47:51,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:47:51,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:47:51,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:47:51,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:47:51,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:47:51,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:47:51,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:47:51,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:47:51,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:47:51,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:47:51,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:47:51,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:47:51,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:47:51,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:47:51,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:47:51,288 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 15:47:51,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:47:51,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:47:51,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:47:51,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:47:51,309 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:47:51,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:47:51,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:47:51,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:47:51,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:47:51,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:47:51,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:47:51,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:47:51,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:47:51,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:47:51,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:47:51,311 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:47:51,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:47:51,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:47:51,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:47:51,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:47:51,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:47:51,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:51,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:47:51,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:47:51,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:47:51,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:47:51,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:47:51,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:47:51,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:47:51,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:47:51,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:47:51,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:47:51,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:47:51,379 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:47:51,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-20 15:47:51,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be62eea4/a97430d22fba476d851d2afc2eb845ec/FLAG1427f850a [2019-09-20 15:47:52,028 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:47:52,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-20 15:47:52,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be62eea4/a97430d22fba476d851d2afc2eb845ec/FLAG1427f850a [2019-09-20 15:47:52,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be62eea4/a97430d22fba476d851d2afc2eb845ec [2019-09-20 15:47:52,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:47:52,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:47:52,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:52,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:47:52,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:47:52,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:52" (1/1) ... [2019-09-20 15:47:52,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0baabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:52, skipping insertion in model container [2019-09-20 15:47:52,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:52" (1/1) ... [2019-09-20 15:47:52,343 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:47:52,390 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:47:52,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:52,917 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:47:53,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:53,052 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:47:53,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53 WrapperNode [2019-09-20 15:47:53,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:53,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:47:53,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:47:53,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:47:53,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53" (1/1) ... [2019-09-20 15:47:53,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53" (1/1) ... [2019-09-20 15:47:53,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53" (1/1) ... [2019-09-20 15:47:53,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53" (1/1) ... [2019-09-20 15:47:53,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53" (1/1) ... [2019-09-20 15:47:53,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53" (1/1) ... [2019-09-20 15:47:53,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53" (1/1) ... [2019-09-20 15:47:53,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:47:53,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:47:53,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:47:53,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:47:53,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:53" (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 15:47:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:47:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:47:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:47:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:47:53,258 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:47:53,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:47:53,260 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:47:53,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:47:53,260 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:47:53,261 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:47:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:47:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:47:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:47:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:47:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:47:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:47:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:47:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:47:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:47:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:47:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:47:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:47:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:47:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:47:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:47:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:47:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:47:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:47:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:47:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:47:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:47:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:47:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:47:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:47:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:47:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:47:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:47:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:47:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:47:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:47:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:47:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:47:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:47:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:47:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:47:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:47:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:47:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:47:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:47:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:47:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:47:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:47:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:47:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:47:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:47:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:47:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:47:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:47:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:47:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:47:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:47:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:47:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:47:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:47:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:47:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:47:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:47:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:47:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:47:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:47:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:47:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:47:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:47:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:47:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:47:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:47:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:47:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:47:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:47:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:47:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:47:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:47:54,963 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:47:54,964 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:47:54,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:54 BoogieIcfgContainer [2019-09-20 15:47:54,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:47:54,966 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:47:54,966 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:47:54,966 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:47:54,968 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:54" (1/1) ... [2019-09-20 15:47:54,968 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:47:54,999 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:47:54,999 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:47:55,011 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:47:55,028 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:47:55,030 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:48:02,917 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:48:04,707 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:48:04,856 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:05,001 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:05,138 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:05,162 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:48:05,219 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:48:05,226 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:48:05,387 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:48:05,506 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:48:05,907 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:48:06,217 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:48:06,824 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:07,237 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:48:07,987 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:08,628 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:09,586 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:48:09,840 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:48:09,955 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:48:10,295 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:10,584 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:10,952 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:11,294 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:11,927 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 554 [2019-09-20 15:48:12,544 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 553 [2019-09-20 15:48:13,060 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 568 [2019-09-20 15:48:13,398 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:13,620 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:13,784 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:13,944 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:14,104 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:14,274 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:14,428 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:14,582 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:14,735 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:14,889 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:48:15,251 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:15,532 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:16,018 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 537 [2019-09-20 15:48:16,380 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 537 [2019-09-20 15:48:16,809 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:17,088 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:17,482 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 535 [2019-09-20 15:48:17,883 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 535 [2019-09-20 15:48:18,436 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:18,716 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:19,453 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:20,006 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:20,446 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 554 [2019-09-20 15:48:20,742 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 553 [2019-09-20 15:48:21,066 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:21,346 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:21,829 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-09-20 15:48:21,831 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:48:21,887 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:48:21,906 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-20 15:48:21,909 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-20 15:48:21,911 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:48:21,911 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:48:21,913 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 461#(and (<= ~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 15:48:21,926 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:48:21,927 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:48:21,929 INFO L168 Benchmark]: Toolchain (without parser) took 29602.35 ms. Allocated memory was 136.8 MB in the beginning and 912.3 MB in the end (delta: 775.4 MB). Free memory was 83.6 MB in the beginning and 86.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 772.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,930 INFO L168 Benchmark]: CDTParser took 1.41 ms. Allocated memory is still 136.8 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.81 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 83.4 MB in the beginning and 164.3 MB in the end (delta: -81.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,932 INFO L168 Benchmark]: Boogie Preprocessor took 115.56 ms. Allocated memory is still 198.7 MB. Free memory was 164.3 MB in the beginning and 159.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,933 INFO L168 Benchmark]: RCFGBuilder took 1796.32 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 159.9 MB in the beginning and 146.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,933 INFO L168 Benchmark]: Sifa took 26960.76 ms. Allocated memory was 218.1 MB in the beginning and 912.3 MB in the end (delta: 694.2 MB). Free memory was 146.1 MB in the beginning and 86.4 MB in the end (delta: 59.8 MB). Peak memory consumption was 753.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:21,940 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 ms. Allocated memory is still 136.8 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.81 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 83.4 MB in the beginning and 164.3 MB in the end (delta: -81.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.56 ms. Allocated memory is still 198.7 MB. Free memory was 164.3 MB in the beginning and 159.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1796.32 ms. Allocated memory was 198.7 MB in the beginning and 218.1 MB in the end (delta: 19.4 MB). Free memory was 159.9 MB in the beginning and 146.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. * Sifa took 26960.76 ms. Allocated memory was 218.1 MB in the beginning and 912.3 MB in the end (delta: 694.2 MB). Free memory was 146.1 MB in the beginning and 86.4 MB in the end (delta: 59.8 MB). Peak memory consumption was 753.9 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]: 26915, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 230, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 151, TOOLS_POST_TIME[ms]: 9908, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 399, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 226, TOOLS_QUANTIFIERELIM_APPLICATIONS: 278, TOOLS_QUANTIFIERELIM_TIME[ms]: 10376, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9722, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 15647, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 247, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 268, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7623, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7623, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10178, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10177, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 459, DAG_COMPRESSION_RETAINED_NODES: 240 - 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 461#(and (<= ~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...