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_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:09:01,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:09:01,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:09:01,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:09:01,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:09:01,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:09:01,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:09:01,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:09:01,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:09:01,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:09:01,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:09:01,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:09:01,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:09:01,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:09:01,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:09:01,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:09:01,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:09:01,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:09:01,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:09:01,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:09:01,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:09:01,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:09:01,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:09:01,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:09:01,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:09:01,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:09:01,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:09:01,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:09:01,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:09:01,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:09:01,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:09:01,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:09:01,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:09:01,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:09:01,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:09:01,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:09:01,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:09:01,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:09:01,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:09:01,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:09:01,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:09:01,678 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 17:09:01,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:09:01,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:09:01,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:09:01,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:09:01,694 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:09:01,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:09:01,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:09:01,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:09:01,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:09:01,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:09:01,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:09:01,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:09:01,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:09:01,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:09:01,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:09:01,697 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:09:01,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:09:01,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:09:01,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:09:01,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:09:01,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:09:01,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:09:01,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:09:01,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:09:01,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:09:01,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:09:01,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:09:01,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:09:01,699 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 17:09:01,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:09:01,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:09:01,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:09:01,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:09:01,753 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:09:01,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-25 17:09:01,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca731e28b/5a4bbe665c464047b193d92c61e7557d/FLAG89ee26351 [2019-09-25 17:09:02,335 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:09:02,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-25 17:09:02,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca731e28b/5a4bbe665c464047b193d92c61e7557d/FLAG89ee26351 [2019-09-25 17:09:02,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca731e28b/5a4bbe665c464047b193d92c61e7557d [2019-09-25 17:09:02,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:09:02,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:09:02,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:02,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:09:02,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:09:02,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:02" (1/1) ... [2019-09-25 17:09:02,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d840b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:02, skipping insertion in model container [2019-09-25 17:09:02,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:09:02" (1/1) ... [2019-09-25 17:09:02,693 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:09:02,753 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:09:03,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:03,176 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:09:03,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:09:03,339 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:09:03,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03 WrapperNode [2019-09-25 17:09:03,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:09:03,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:09:03,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:09:03,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:09:03,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03" (1/1) ... [2019-09-25 17:09:03,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:09:03,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:09:03,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:09:03,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:09:03,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:09:03" (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 17:09:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:09:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:09:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:09:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:09:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:09:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:09:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:09:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:09:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:09:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:09:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:09:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:09:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:09:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:09:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:09:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:09:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:09:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:09:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:09:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:09:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:09:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:09:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:09:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:09:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:09:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:09:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:09:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:09:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:09:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:09:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:09:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:09:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:09:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:09:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:09:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:09:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:09:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:09:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:09:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:09:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:09:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:09:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:09:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:09:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:09:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:09:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:09:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:09:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:09:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:09:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:09:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:09:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:09:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:09:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:09:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:09:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:09:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:09:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:09:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:09:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:09:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:09:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:09:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:09:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:09:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:09:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:09:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:09:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:09:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:09:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:09:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:09:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:09:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:09:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:09:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:09:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:09:05,280 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:09:05,280 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:09:05,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:05 BoogieIcfgContainer [2019-09-25 17:09:05,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:09:05,283 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:09:05,283 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:09:05,283 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:09:05,284 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:09:05" (1/1) ... [2019-09-25 17:09:05,285 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 17:09:05,317 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:09:05,320 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:09:05,335 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:09:05,349 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:09:05,351 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:09:15,371 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:09:17,113 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:09:17,253 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:17,405 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:17,529 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:09:17,547 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 476 for LOIs [2019-09-25 17:09:17,598 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 476 for LOIs [2019-09-25 17:09:17,606 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 476 for LOIs [2019-09-25 17:09:18,070 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2019-09-25 17:09:18,344 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-25 17:09:18,461 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-09-25 17:09:18,809 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:09:19,318 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-25 17:09:20,019 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 516 [2019-09-25 17:09:20,431 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-25 17:09:20,462 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-25 17:09:20,473 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-25 17:09:20,476 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 12 for LOIs [2019-09-25 17:09:20,478 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:09:20,479 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:09:20,483 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 697#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-25 17:09:20,497 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:09:20,498 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:09:20,500 INFO L168 Benchmark]: Toolchain (without parser) took 17825.61 ms. Allocated memory was 139.5 MB in the beginning and 422.6 MB in the end (delta: 283.1 MB). Free memory was 86.0 MB in the beginning and 200.2 MB in the end (delta: -114.3 MB). Peak memory consumption was 168.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:20,502 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:09:20,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.21 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.8 MB in the beginning and 167.7 MB in the end (delta: -82.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:20,512 INFO L168 Benchmark]: Boogie Preprocessor took 95.29 ms. Allocated memory is still 200.3 MB. Free memory was 167.7 MB in the beginning and 163.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:20,513 INFO L168 Benchmark]: RCFGBuilder took 1846.43 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 163.9 MB in the beginning and 154.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:20,515 INFO L168 Benchmark]: Sifa took 15215.12 ms. Allocated memory was 223.9 MB in the beginning and 422.6 MB in the end (delta: 198.7 MB). Free memory was 154.7 MB in the beginning and 200.2 MB in the end (delta: -45.5 MB). Peak memory consumption was 153.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:09:20,522 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 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.21 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.8 MB in the beginning and 167.7 MB in the end (delta: -82.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.29 ms. Allocated memory is still 200.3 MB. Free memory was 167.7 MB in the beginning and 163.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1846.43 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 163.9 MB in the beginning and 154.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. * Sifa took 15215.12 ms. Allocated memory was 223.9 MB in the beginning and 422.6 MB in the end (delta: 198.7 MB). Free memory was 154.7 MB in the beginning and 200.2 MB in the end (delta: -45.5 MB). Peak memory consumption was 153.2 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]: 15167, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 273, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 191, TOOLS_POST_TIME[ms]: 11929, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 203, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 70, TOOLS_QUANTIFIERELIM_APPLICATIONS: 318, TOOLS_QUANTIFIERELIM_TIME[ms]: 12098, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11834, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 290, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 76, DOMAIN_JOIN_TIME[ms]: 2342, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 298, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 106, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2232, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2231, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12154, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12153, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 570, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 697#(and (<= ~pumpRunning~0 2147483647) (<= 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...