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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:11:00,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:11:00,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:11:00,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:11:00,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:11:00,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:11:00,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:11:00,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:11:00,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:11:00,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:11:00,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:11:00,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:11:00,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:11:00,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:11:00,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:11:00,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:11:00,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:11:00,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:11:00,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:11:00,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:11:00,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:11:00,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:11:00,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:11:00,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:11:00,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:11:00,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:11:00,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:11:00,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:11:00,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:11:00,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:11:00,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:11:00,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:11:00,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:11:00,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:11:00,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:11:00,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:11:00,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:11:00,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:11:00,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:11:00,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:11:00,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:11:00,577 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 [2019-09-25 17:11:00,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:11:00,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:11:00,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:11:00,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:11:00,600 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:11:00,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:11:00,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:11:00,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:11:00,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:11:00,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:11:00,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:11:00,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:11:00,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:11:00,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:11:00,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:11:00,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:11:00,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:11:00,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:11:00,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:11:00,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:11:00,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:11:00,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:11:00,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:11:00,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:11:00,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:11:00,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:11:00,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:11:00,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:11:00,605 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:11:00,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:11:00,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:11:00,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:11:00,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:11:00,665 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:11:00,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2019-09-25 17:11:00,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7574f60/874b6dc9a6e5409cad09e02abae20619/FLAG488c48e9e [2019-09-25 17:11:01,289 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:11:01,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2019-09-25 17:11:01,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7574f60/874b6dc9a6e5409cad09e02abae20619/FLAG488c48e9e [2019-09-25 17:11:01,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7574f60/874b6dc9a6e5409cad09e02abae20619 [2019-09-25 17:11:01,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:11:01,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:11:01,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:11:01,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:11:01,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:11:01,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:11:01" (1/1) ... [2019-09-25 17:11:01,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ed2c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:01, skipping insertion in model container [2019-09-25 17:11:01,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:11:01" (1/1) ... [2019-09-25 17:11:01,576 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:11:01,647 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:11:02,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:11:02,135 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:11:02,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:11:02,293 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:11:02,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02 WrapperNode [2019-09-25 17:11:02,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:11:02,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:11:02,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:11:02,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:11:02,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02" (1/1) ... [2019-09-25 17:11:02,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02" (1/1) ... [2019-09-25 17:11:02,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02" (1/1) ... [2019-09-25 17:11:02,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02" (1/1) ... [2019-09-25 17:11:02,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02" (1/1) ... [2019-09-25 17:11:02,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02" (1/1) ... [2019-09-25 17:11:02,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02" (1/1) ... [2019-09-25 17:11:02,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:11:02,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:11:02,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:11:02,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:11:02,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:02" (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 [2019-09-25 17:11:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:11:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:11:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:11:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:11:02,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:11:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:11:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:11:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:11:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:11:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:11:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:11:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:11:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:11:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:11:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:11:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:11:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:11:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:11:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:11:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:11:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:11:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:11:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:11:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:11:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 17:11:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:11:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:11:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:11:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:11:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:11:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:11:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:11:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:11:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:11:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:11:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:11:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:11:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:11:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:11:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:11:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:11:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:11:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:11:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:11:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:11:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:11:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:11:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:11:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:11:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:11:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:11:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:11:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:11:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:11:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:11:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:11:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:11:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:11:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:11:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:11:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:11:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:11:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:11:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:11:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:11:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:11:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:11:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:11:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:11:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:11:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:11:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:11:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:11:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:11:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:11:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:11:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:11:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:11:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:11:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:11:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:11:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:11:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:11:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:11:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:11:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:11:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:11:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:11:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-25 17:11:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:11:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:11:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:11:04,073 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:11:04,073 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:11:04,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:11:04 BoogieIcfgContainer [2019-09-25 17:11:04,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:11:04,075 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:11:04,075 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:11:04,076 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:11:04,077 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:11:04" (1/1) ... [2019-09-25 17:11:04,078 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:11:04,113 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:11:04,113 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:11:04,124 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:11:04,139 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:11:04,141 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:11:15,458 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:11:17,211 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:11:17,378 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:11:17,516 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:11:17,642 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:11:17,667 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:11:17,717 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:11:17,733 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:11:18,279 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-25 17:11:18,463 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2019-09-25 17:11:18,695 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:11:18,920 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-25 17:11:19,128 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 17:11:19,283 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 17:11:19,443 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:11:19,556 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:11:19,766 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:11:20,075 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 17:11:20,231 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 530 [2019-09-25 17:11:20,367 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:11:20,666 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-25 17:11:20,818 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 17:11:21,124 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-09-25 17:11:22,488 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-25 17:11:22,642 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-25 17:11:22,792 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 17:11:22,895 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-25 17:11:23,101 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:11:23,104 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 17:11:23,162 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 63 for LOIs [2019-09-25 17:11:23,173 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:11:23,182 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:11:23,182 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:11:23,185 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 552#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 17:11:23,209 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:11:23,209 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:11:23,212 INFO L168 Benchmark]: Toolchain (without parser) took 21651.52 ms. Allocated memory was 136.3 MB in the beginning and 528.5 MB in the end (delta: 392.2 MB). Free memory was 85.7 MB in the beginning and 438.9 MB in the end (delta: -353.1 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:23,213 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:11:23,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.11 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 85.5 MB in the beginning and 165.9 MB in the end (delta: -80.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:23,220 INFO L168 Benchmark]: Boogie Preprocessor took 101.08 ms. Allocated memory is still 200.8 MB. Free memory was 165.9 MB in the beginning and 161.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:23,221 INFO L168 Benchmark]: RCFGBuilder took 1679.05 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 161.6 MB in the beginning and 143.1 MB in the end (delta: 18.4 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:23,224 INFO L168 Benchmark]: Sifa took 19134.04 ms. Allocated memory was 225.4 MB in the beginning and 528.5 MB in the end (delta: 303.0 MB). Free memory was 143.1 MB in the beginning and 438.9 MB in the end (delta: -295.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:11:23,236 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.11 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 85.5 MB in the beginning and 165.9 MB in the end (delta: -80.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.08 ms. Allocated memory is still 200.8 MB. Free memory was 165.9 MB in the beginning and 161.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1679.05 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 161.6 MB in the beginning and 143.1 MB in the end (delta: 18.4 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * Sifa took 19134.04 ms. Allocated memory was 225.4 MB in the beginning and 528.5 MB in the end (delta: 303.0 MB). Free memory was 143.1 MB in the beginning and 438.9 MB in the end (delta: -295.7 MB). Peak memory consumption was 7.3 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]: 19081, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 221, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 155, TOOLS_POST_TIME[ms]: 13247, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 155, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 267, TOOLS_QUANTIFIERELIM_TIME[ms]: 13361, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13150, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 223, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 93, DOMAIN_JOIN_TIME[ms]: 4902, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 311, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 59, DOMAIN_ISBOTTOM_TIME[ms]: 192, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3680, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3680, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13565, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13565, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 720, DAG_COMPRESSION_RETAINED_NODES: 256 - UnprovableResult [Line: 410]: 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 552#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string62.offset| 0) (= |#t~string64.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (<= ~waterLevel~0 2147483647) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...