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_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:07:54,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:07:54,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:07:54,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:07:54,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:07:54,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:07:54,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:07:54,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:07:54,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:07:54,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:07:54,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:07:54,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:07:54,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:07:54,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:07:54,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:07:54,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:07:54,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:07:54,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:07:54,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:07:54,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:07:54,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:07:54,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:07:54,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:07:54,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:07:54,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:07:54,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:07:54,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:07:54,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:07:54,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:07:54,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:07:54,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:07:54,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:07:54,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:07:54,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:07:54,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:07:54,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:07:54,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:07:54,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:07:54,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:07:54,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:07:54,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:07:54,455 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 [2019-09-17 06:07:54,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:07:54,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:07:54,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:07:54,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:07:54,481 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:07:54,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:07:54,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:07:54,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:07:54,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:07:54,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:07:54,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:07:54,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:07:54,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:07:54,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:07:54,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:07:54,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:07:54,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:07:54,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:07:54,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:07:54,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:07:54,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:07:54,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:07:54,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:07:54,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:07:54,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:07:54,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:07:54,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:07:54,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:07:54,487 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 [2019-09-17 06:07:54,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:07:54,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:07:54,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:07:54,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:07:54,554 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:07:54,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-17 06:07:54,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4850bfd05/ae077bdb6a2442b791279b42df5ebb7e/FLAG4f9dcdbab [2019-09-17 06:07:55,116 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:07:55,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-17 06:07:55,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4850bfd05/ae077bdb6a2442b791279b42df5ebb7e/FLAG4f9dcdbab [2019-09-17 06:07:55,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4850bfd05/ae077bdb6a2442b791279b42df5ebb7e [2019-09-17 06:07:55,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:07:55,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:07:55,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:07:55,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:07:55,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:07:55,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:07:55" (1/1) ... [2019-09-17 06:07:55,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a67fb1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:55, skipping insertion in model container [2019-09-17 06:07:55,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:07:55" (1/1) ... [2019-09-17 06:07:55,498 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:07:55,545 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:07:55,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:07:55,970 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:07:56,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:07:56,133 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:07:56,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56 WrapperNode [2019-09-17 06:07:56,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:07:56,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:07:56,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:07:56,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:07:56,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56" (1/1) ... [2019-09-17 06:07:56,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56" (1/1) ... [2019-09-17 06:07:56,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56" (1/1) ... [2019-09-17 06:07:56,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56" (1/1) ... [2019-09-17 06:07:56,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56" (1/1) ... [2019-09-17 06:07:56,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56" (1/1) ... [2019-09-17 06:07:56,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56" (1/1) ... [2019-09-17 06:07:56,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:07:56,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:07:56,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:07:56,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:07:56,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:07:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:07:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:07:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:07:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:07:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:07:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:07:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:07:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:07:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:07:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:07:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:07:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:07:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:07:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:07:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:07:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:07:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:07:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 06:07:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:07:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:07:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:07:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:07:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:07:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:07:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:07:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:07:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:07:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:07:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:07:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:07:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:07:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:07:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:07:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:07:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:07:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:07:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:07:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:07:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:07:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:07:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:07:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:07:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:07:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:07:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:07:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:07:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:07:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:07:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:07:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:07:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:07:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:07:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:07:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:07:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:07:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:07:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:07:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:07:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:07:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:07:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:07:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 06:07:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:07:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:07:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:07:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 06:07:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:07:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:07:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:07:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:07:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:07:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:07:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:07:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:07:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:07:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:07:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:07:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:07:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:07:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:07:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:07:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:07:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:07:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:07:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:07:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:07:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:07:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:07:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:07:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:07:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:07:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:07:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:07:57,818 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:07:57,819 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:07:57,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:07:57 BoogieIcfgContainer [2019-09-17 06:07:57,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:07:57,821 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:07:57,822 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:07:57,822 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:07:57,823 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:07:57" (1/1) ... [2019-09-17 06:07:57,824 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 [2019-09-17 06:07:57,853 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:07:57,853 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:07:57,866 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:07:57,878 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:07:57,880 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:08:08,303 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 06:08:10,045 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:08:10,204 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:10,378 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:10,504 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-17 06:08:10,531 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-17 06:08:10,598 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-17 06:08:10,605 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-17 06:08:10,792 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 06:08:10,930 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 06:08:11,381 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:11,831 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-17 06:08:12,439 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:12,887 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 06:08:13,695 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:08:14,271 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 06:08:14,997 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2019-09-17 06:08:15,682 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-17 06:08:16,172 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-09-17 06:08:16,579 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-09-17 06:08:17,202 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-17 06:08:17,654 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-17 06:08:18,435 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-17 06:08:19,168 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-09-17 06:08:21,344 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 608 [2019-09-17 06:08:22,813 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 608 [2019-09-17 06:08:23,869 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 543 [2019-09-17 06:08:24,538 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-17 06:08:25,423 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-09-17 06:08:25,586 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-17 06:08:25,818 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 28 for LOIs [2019-09-17 06:08:25,908 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 06:08:25,921 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2019-09-17 06:08:25,926 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 26 for LOIs [2019-09-17 06:08:25,930 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:08:25,931 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:08:25,933 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 428#(and (<= ~pumpRunning~0 2147483647) (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:08:25,949 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:08:25,957 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:08:25,960 INFO L168 Benchmark]: Toolchain (without parser) took 30476.44 ms. Allocated memory was 138.4 MB in the beginning and 901.3 MB in the end (delta: 762.8 MB). Free memory was 84.8 MB in the beginning and 711.1 MB in the end (delta: -626.3 MB). Peak memory consumption was 136.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:25,962 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-17 06:08:25,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.07 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 166.0 MB in the end (delta: -81.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:25,967 INFO L168 Benchmark]: Boogie Preprocessor took 89.29 ms. Allocated memory is still 199.2 MB. Free memory was 166.0 MB in the beginning and 161.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:25,968 INFO L168 Benchmark]: RCFGBuilder took 1596.46 ms. Allocated memory was 199.2 MB in the beginning and 220.7 MB in the end (delta: 21.5 MB). Free memory was 161.5 MB in the beginning and 148.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 94.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:25,971 INFO L168 Benchmark]: Sifa took 28136.37 ms. Allocated memory was 220.7 MB in the beginning and 901.3 MB in the end (delta: 680.5 MB). Free memory was 148.7 MB in the beginning and 711.1 MB in the end (delta: -562.4 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. [2019-09-17 06:08:25,982 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.07 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 166.0 MB in the end (delta: -81.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.29 ms. Allocated memory is still 199.2 MB. Free memory was 166.0 MB in the beginning and 161.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1596.46 ms. Allocated memory was 199.2 MB in the beginning and 220.7 MB in the end (delta: 21.5 MB). Free memory was 161.5 MB in the beginning and 148.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 94.6 MB. Max. memory is 7.1 GB. * Sifa took 28136.37 ms. Allocated memory was 220.7 MB in the beginning and 901.3 MB in the end (delta: 680.5 MB). Free memory was 148.7 MB in the beginning and 711.1 MB in the end (delta: -562.4 MB). Peak memory consumption was 118.1 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]: 28079, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 229, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 147, TOOLS_POST_TIME[ms]: 12436, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 329, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 261, TOOLS_QUANTIFIERELIM_APPLICATIONS: 274, TOOLS_QUANTIFIERELIM_TIME[ms]: 12897, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12247, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 12924, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1767, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 144, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14580, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14580, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12712, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12711, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 215 - UnprovableResult [Line: 535]: 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 428#(and (<= ~pumpRunning~0 2147483647) (or (not (= 0 ~systemActive~0)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...