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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:00:18,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:00:18,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:00:18,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:00:18,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:00:18,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:00:18,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:00:18,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:00:18,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:00:18,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:00:18,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:00:18,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:00:18,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:00:18,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:00:18,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:00:18,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:00:18,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:00:18,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:00:18,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:00:18,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:00:18,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:00:18,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:00:18,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:00:18,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:00:18,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:00:18,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:00:18,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:00:18,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:00:18,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:00:18,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:00:18,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:00:18,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:00:18,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:00:18,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:00:18,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:00:18,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:00:18,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:00:18,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:00:18,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:00:18,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:00:18,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:00:18,496 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 [2019-09-16 19:00:18,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:00:18,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:00:18,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:00:18,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:00:18,531 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:00:18,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:00:18,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:00:18,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:00:18,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:00:18,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:00:18,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:00:18,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:00:18,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:00:18,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:00:18,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:00:18,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:00:18,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:00:18,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:00:18,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:00:18,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:00:18,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:00:18,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:00:18,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:00:18,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:00:18,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:00:18,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:00:18,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:00:18,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:00:18,535 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_DDA [2019-09-16 19:00:18,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:00:18,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:00:18,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:00:18,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:00:18,596 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:00:18,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-09-16 19:00:18,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946460fda/33981037136e48b0835109604f26bf95/FLAG8db02eb09 [2019-09-16 19:00:19,107 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:00:19,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-09-16 19:00:19,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946460fda/33981037136e48b0835109604f26bf95/FLAG8db02eb09 [2019-09-16 19:00:19,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946460fda/33981037136e48b0835109604f26bf95 [2019-09-16 19:00:19,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:00:19,408 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:00:19,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:00:19,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:00:19,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:00:19,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:00:19" (1/1) ... [2019-09-16 19:00:19,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb65aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:19, skipping insertion in model container [2019-09-16 19:00:19,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:00:19" (1/1) ... [2019-09-16 19:00:19,430 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:00:19,474 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:00:20,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:00:20,013 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:00:20,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:00:20,127 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:00:20,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20 WrapperNode [2019-09-16 19:00:20,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:00:20,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:00:20,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:00:20,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:00:20,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20" (1/1) ... [2019-09-16 19:00:20,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20" (1/1) ... [2019-09-16 19:00:20,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20" (1/1) ... [2019-09-16 19:00:20,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20" (1/1) ... [2019-09-16 19:00:20,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20" (1/1) ... [2019-09-16 19:00:20,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20" (1/1) ... [2019-09-16 19:00:20,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20" (1/1) ... [2019-09-16 19:00:20,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:00:20,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:00:20,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:00:20,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:00:20,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:00:20" (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 [2019-09-16 19:00:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:00:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:00:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:00:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:00:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:00:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:00:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:00:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:00:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:00:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:00:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:00:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:00:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:00:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:00:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 19:00:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:00:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 19:00:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:00:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:00:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:00:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:00:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:00:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 19:00:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:00:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:00:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:00:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:00:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:00:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:00:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 19:00:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:00:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 19:00:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 19:00:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:00:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:00:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:00:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:00:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:00:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:00:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:00:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:00:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:00:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:00:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:00:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:00:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:00:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:00:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:00:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:00:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 19:00:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:00:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:00:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:00:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:00:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:00:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:00:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:00:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:00:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:00:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:00:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 19:00:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:00:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:00:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:00:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 19:00:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:00:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 19:00:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 19:00:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 19:00:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:00:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:00:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:00:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:00:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:00:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:00:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:00:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:00:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:00:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:00:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:00:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:00:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:00:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:00:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:00:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:00:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:00:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:00:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:00:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:00:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:00:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:00:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:00:21,880 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:00:21,880 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:00:21,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:00:21 BoogieIcfgContainer [2019-09-16 19:00:21,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:00:21,882 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:00:21,882 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:00:21,883 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:00:21,884 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:00:21" (1/1) ... [2019-09-16 19:00:21,884 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 19:00:21,906 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:00:21,906 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:00:21,915 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:00:21,923 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:00:21,924 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:00:44,932 WARN L191 SmtUtils]: Spent 13.15 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-16 19:00:46,587 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:00:50,617 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-16 19:00:52,517 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 19:00:54,386 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-16 19:00:54,401 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-16 19:00:54,467 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-16 19:00:54,484 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-16 19:01:06,911 WARN L191 SmtUtils]: Spent 12.18 s on a formula simplification. DAG size of input: 464 DAG size of output: 463 [2019-09-16 19:01:12,854 WARN L191 SmtUtils]: Spent 5.94 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-16 19:01:24,423 WARN L191 SmtUtils]: Spent 11.57 s on a formula simplification. DAG size of input: 464 DAG size of output: 463 [2019-09-16 19:01:30,164 WARN L191 SmtUtils]: Spent 5.74 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-16 19:01:45,215 WARN L191 SmtUtils]: Spent 15.00 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-16 19:01:45,443 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-16 19:01:45,813 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-16 19:02:00,848 WARN L191 SmtUtils]: Spent 15.03 s on a formula simplification. DAG size of input: 469 DAG size of output: 466 [2019-09-16 19:02:01,406 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-16 19:02:01,664 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 76 [2019-09-16 19:02:01,991 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 76 [2019-09-16 19:02:02,694 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2019-09-16 19:02:03,465 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-16 19:02:03,813 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-16 19:02:04,533 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-16 19:02:04,877 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-16 19:02:05,864 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2019-09-16 19:02:06,344 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 19:02:07,395 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2019-09-16 19:02:07,901 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-16 19:02:08,833 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-16 19:02:09,169 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-16 19:02:09,890 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-16 19:02:10,234 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-16 19:02:11,213 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2019-09-16 19:02:11,690 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 19:02:12,739 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2019-09-16 19:02:13,255 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-16 19:02:13,259 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-16 19:02:13,262 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-16 19:02:13,752 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2019-09-16 19:02:13,997 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-16 19:02:14,508 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-16 19:02:14,757 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-16 19:02:14,760 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 74 for LOIs [2019-09-16 19:02:14,767 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 86 for LOIs [2019-09-16 19:02:14,988 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2019-09-16 19:02:15,096 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-16 19:02:15,096 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:02:15,097 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:02:15,098 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 302#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= 0 ~waterLevel~0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-16 19:02:15,108 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:02:15,109 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:02:15,111 INFO L168 Benchmark]: Toolchain (without parser) took 115702.51 ms. Allocated memory was 139.5 MB in the beginning and 406.8 MB in the end (delta: 267.4 MB). Free memory was 86.4 MB in the beginning and 345.5 MB in the end (delta: -259.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-09-16 19:02:15,112 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:02:15,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.85 ms. Allocated memory was 139.5 MB in the beginning and 197.1 MB in the end (delta: 57.7 MB). Free memory was 86.0 MB in the beginning and 164.4 MB in the end (delta: -78.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-09-16 19:02:15,113 INFO L168 Benchmark]: Boogie Preprocessor took 116.46 ms. Allocated memory is still 197.1 MB. Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-16 19:02:15,114 INFO L168 Benchmark]: RCFGBuilder took 1636.81 ms. Allocated memory was 197.1 MB in the beginning and 220.7 MB in the end (delta: 23.6 MB). Free memory was 160.0 MB in the beginning and 145.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-09-16 19:02:15,115 INFO L168 Benchmark]: Sifa took 113226.49 ms. Allocated memory was 220.7 MB in the beginning and 406.8 MB in the end (delta: 186.1 MB). Free memory was 145.8 MB in the beginning and 345.5 MB in the end (delta: -199.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 19:02:15,119 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.85 ms. Allocated memory was 139.5 MB in the beginning and 197.1 MB in the end (delta: 57.7 MB). Free memory was 86.0 MB in the beginning and 164.4 MB in the end (delta: -78.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.46 ms. Allocated memory is still 197.1 MB. Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1636.81 ms. Allocated memory was 197.1 MB in the beginning and 220.7 MB in the end (delta: 23.6 MB). Free memory was 160.0 MB in the beginning and 145.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Sifa took 113226.49 ms. Allocated memory was 220.7 MB in the beginning and 406.8 MB in the end (delta: 186.1 MB). Free memory was 145.8 MB in the beginning and 345.5 MB in the end (delta: -199.6 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]: 113192, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 159, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 104, TOOLS_POST_TIME[ms]: 28703, TOOLS_POST_CALL_APPLICATIONS: 45, TOOLS_POST_CALL_TIME[ms]: 102, TOOLS_POST_RETURN_APPLICATIONS: 38, TOOLS_POST_RETURN_TIME[ms]: 53, TOOLS_QUANTIFIERELIM_APPLICATIONS: 186, TOOLS_QUANTIFIERELIM_TIME[ms]: 28781, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28633, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 161, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 83949, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 247, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10943, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10942, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 38, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33328, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33327, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 404, DAG_COMPRESSION_RETAINED_NODES: 182 - UnprovableResult [Line: 518]: 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 302#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string61.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= ~systemActive~0 1) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string35.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= 0 ~waterLevel~0) (= |#t~string70.offset| 0) (= |#t~string69.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...