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_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:55:31,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:55:31,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:55:31,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:55:31,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:55:31,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:55:31,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:55:31,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:55:31,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:55:31,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:55:31,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:55:31,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:55:31,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:55:31,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:55:31,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:55:31,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:55:31,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:55:31,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:55:31,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:55:31,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:55:31,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:55:31,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:55:31,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:55:31,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:55:31,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:55:31,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:55:31,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:55:31,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:55:31,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:55:31,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:55:31,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:55:31,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:55:31,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:55:31,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:55:31,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:55:31,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:55:31,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:55:31,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:55:31,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:55:31,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:55:31,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:55:31,394 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 15:55:31,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:55:31,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:55:31,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:55:31,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:55:31,422 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:55:31,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:55:31,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:55:31,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:55:31,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:55:31,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:55:31,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:55:31,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:55:31,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:55:31,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:55:31,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:55:31,426 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:55:31,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:55:31,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:55:31,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:55:31,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:55:31,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:55:31,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:55:31,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:55:31,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:55:31,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:55:31,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:55:31,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:55:31,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:55:31,429 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 15:55:31,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:55:31,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:55:31,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:55:31,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:55:31,510 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:55:31,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-09-20 15:55:31,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d1bd2f0/f8b532208e8b422790b2f5eebb5f7053/FLAG6e0fddfa9 [2019-09-20 15:55:32,106 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:55:32,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-09-20 15:55:32,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d1bd2f0/f8b532208e8b422790b2f5eebb5f7053/FLAG6e0fddfa9 [2019-09-20 15:55:32,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d1bd2f0/f8b532208e8b422790b2f5eebb5f7053 [2019-09-20 15:55:32,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:55:32,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:55:32,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:55:32,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:55:32,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:55:32,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:55:32" (1/1) ... [2019-09-20 15:55:32,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3d3672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:32, skipping insertion in model container [2019-09-20 15:55:32,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:55:32" (1/1) ... [2019-09-20 15:55:32,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:55:32,507 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:55:32,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:55:33,013 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:55:33,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:55:33,162 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:55:33,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33 WrapperNode [2019-09-20 15:55:33,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:55:33,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:55:33,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:55:33,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:55:33,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33" (1/1) ... [2019-09-20 15:55:33,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33" (1/1) ... [2019-09-20 15:55:33,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33" (1/1) ... [2019-09-20 15:55:33,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33" (1/1) ... [2019-09-20 15:55:33,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33" (1/1) ... [2019-09-20 15:55:33,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33" (1/1) ... [2019-09-20 15:55:33,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33" (1/1) ... [2019-09-20 15:55:33,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:55:33,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:55:33,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:55:33,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:55:33,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:33" (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 15:55:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:55:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:55:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:55:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:55:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:55:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:55:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:55:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:55:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:55:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:55:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:55:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:55:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:55:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:55:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:55:33,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:55:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:55:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:55:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:55:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:55:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:55:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:55:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:55:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:55:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:55:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:55:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:55:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:55:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:55:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:55:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:55:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:55:33,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:55:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:55:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:55:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:55:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:55:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:55:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:55:33,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:55:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:55:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:55:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:55:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:55:33,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:55:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:55:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:55:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:55:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:55:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:55:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:55:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:55:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:55:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:55:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:55:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:55:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:55:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:55:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:55:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:55:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:55:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:55:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:55:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:55:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:55:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:55:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:55:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:55:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:55:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:55:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:55:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:55:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:55:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:55:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:55:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:55:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:55:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:55:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:55:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:55:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:55:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:55:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:55:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:55:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:55:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:55:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:55:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:55:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:55:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:55:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:55:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:55:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:55:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:55:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:55:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:55:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:55:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:55:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:55:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:55:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:55:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:55:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:55:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:55:34,893 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:55:34,894 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:55:34,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:55:34 BoogieIcfgContainer [2019-09-20 15:55:34,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:55:34,896 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:55:34,897 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:55:34,897 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:55:34,898 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:55:34" (1/1) ... [2019-09-20 15:55:34,899 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 15:55:34,925 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:55:34,925 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:55:34,936 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:55:34,945 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:55:34,947 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:55:44,109 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:55:45,798 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:55:45,924 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:46,092 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:46,213 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:55:46,229 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:55:46,278 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:55:46,295 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:55:46,482 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:55:46,625 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-20 15:55:47,032 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:47,439 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-20 15:55:48,149 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:55:48,644 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:55:49,197 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-20 15:55:49,508 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:55:49,655 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2019-09-20 15:55:49,985 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:50,237 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:50,447 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 46 [2019-09-20 15:55:50,576 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 50 [2019-09-20 15:55:50,892 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:51,144 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:51,418 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:51,626 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:51,799 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:51,980 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:52,134 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:52,303 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-20 15:55:52,482 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 54 [2019-09-20 15:55:53,614 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 28 [2019-09-20 15:55:53,994 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 502 [2019-09-20 15:55:54,250 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 54 [2019-09-20 15:55:54,456 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 55 [2019-09-20 15:55:54,663 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 27 [2019-09-20 15:55:55,067 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 54 [2019-09-20 15:55:55,205 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 58 [2019-09-20 15:55:55,770 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:55:55,797 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:55:55,809 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:55:55,812 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:55:55,814 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:55:55,814 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:55:55,816 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1419#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:55:55,828 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:55:55,828 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:55:55,830 INFO L168 Benchmark]: Toolchain (without parser) took 23405.31 ms. Allocated memory was 138.4 MB in the beginning and 738.2 MB in the end (delta: 599.8 MB). Free memory was 84.7 MB in the beginning and 92.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 591.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:55,832 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:55:55,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.96 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 84.5 MB in the beginning and 163.5 MB in the end (delta: -79.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:55,834 INFO L168 Benchmark]: Boogie Preprocessor took 102.52 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 159.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:55,835 INFO L168 Benchmark]: RCFGBuilder took 1629.27 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 159.0 MB in the beginning and 136.1 MB in the end (delta: 23.0 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:55,836 INFO L168 Benchmark]: Sifa took 20932.08 ms. Allocated memory was 219.2 MB in the beginning and 738.2 MB in the end (delta: 519.0 MB). Free memory was 136.1 MB in the beginning and 92.6 MB in the end (delta: 43.5 MB). Peak memory consumption was 562.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:55:55,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.96 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 84.5 MB in the beginning and 163.5 MB in the end (delta: -79.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.52 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 159.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1629.27 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 159.0 MB in the beginning and 136.1 MB in the end (delta: 23.0 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. * Sifa took 20932.08 ms. Allocated memory was 219.2 MB in the beginning and 738.2 MB in the end (delta: 519.0 MB). Free memory was 136.1 MB in the beginning and 92.6 MB in the end (delta: 43.5 MB). Peak memory consumption was 562.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 20891, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 718, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 478, TOOLS_POST_TIME[ms]: 11142, TOOLS_POST_CALL_APPLICATIONS: 199, TOOLS_POST_CALL_TIME[ms]: 382, TOOLS_POST_RETURN_APPLICATIONS: 190, TOOLS_POST_RETURN_TIME[ms]: 220, TOOLS_QUANTIFIERELIM_APPLICATIONS: 867, TOOLS_QUANTIFIERELIM_TIME[ms]: 11520, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10917, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 749, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 197, DOMAIN_JOIN_TIME[ms]: 7687, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 15, DOMAIN_WIDEN_TIME[ms]: 770, DOMAIN_ISSUBSETEQ_APPLICATIONS: 31, DOMAIN_ISSUBSETEQ_TIME[ms]: 90, DOMAIN_ISBOTTOM_APPLICATIONS: 128, DOMAIN_ISBOTTOM_TIME[ms]: 386, LOOP_SUMMARIZER_APPLICATIONS: 16, LOOP_SUMMARIZER_CACHE_MISSES: 16, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6736, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6735, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 31, CALL_SUMMARIZER_APPLICATIONS: 190, CALL_SUMMARIZER_CACHE_MISSES: 31, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11410, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11409, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 46, DAG_COMPRESSION_PROCESSED_NODES: 641, DAG_COMPRESSION_RETAINED_NODES: 353 - UnprovableResult [Line: 521]: 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 1419#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~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...