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_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:47:09,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:47:09,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:47:09,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:47:09,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:47:09,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:47:09,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:47:09,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:47:09,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:47:09,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:47:09,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:47:09,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:47:09,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:47:09,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:47:09,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:47:09,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:47:09,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:47:09,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:47:09,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:47:09,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:47:09,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:47:09,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:47:09,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:47:09,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:47:09,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:47:09,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:47:09,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:47:09,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:47:09,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:47:09,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:47:09,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:47:09,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:47:09,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:47:09,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:47:09,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:47:09,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:47:09,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:47:09,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:47:09,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:47:09,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:47:09,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:47:09,536 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:47:09,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:47:09,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:47:09,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:47:09,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:47:09,552 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:47:09,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:47:09,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:47:09,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:47:09,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:47:09,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:47:09,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:47:09,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:47:09,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:47:09,553 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:47:09,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:47:09,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:47:09,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:47:09,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:47:09,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:47:09,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:47:09,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:47:09,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:09,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:47:09,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:47:09,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:47:09,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:47:09,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:47:09,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:47:09,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:47:09,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:47:09,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:47:09,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:47:09,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:47:09,611 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:47:09,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2019-09-20 15:47:09,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac9ee5d/ed76eb092f494e93a2567da01440d160/FLAGa03f38620 [2019-09-20 15:47:10,274 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:47:10,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2019-09-20 15:47:10,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac9ee5d/ed76eb092f494e93a2567da01440d160/FLAGa03f38620 [2019-09-20 15:47:10,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac9ee5d/ed76eb092f494e93a2567da01440d160 [2019-09-20 15:47:10,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:47:10,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:47:10,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:10,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:47:10,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:47:10,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:10" (1/1) ... [2019-09-20 15:47:10,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4753c9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:10, skipping insertion in model container [2019-09-20 15:47:10,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:10" (1/1) ... [2019-09-20 15:47:10,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:47:10,655 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:47:11,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:11,123 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:47:11,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:11,232 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:47:11,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11 WrapperNode [2019-09-20 15:47:11,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:11,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:47:11,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:47:11,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:47:11,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11" (1/1) ... [2019-09-20 15:47:11,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11" (1/1) ... [2019-09-20 15:47:11,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11" (1/1) ... [2019-09-20 15:47:11,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11" (1/1) ... [2019-09-20 15:47:11,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11" (1/1) ... [2019-09-20 15:47:11,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11" (1/1) ... [2019-09-20 15:47:11,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11" (1/1) ... [2019-09-20 15:47:11,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:47:11,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:47:11,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:47:11,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:47:11,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:47:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:47:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:47:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:47:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:47:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:47:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:47:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:47:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:47:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:47:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:47:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:47:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:47:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:47:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:47:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:47:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:47:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:47:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:47:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:47:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:47:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:47:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:47:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:47:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:47:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:47:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:47:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:47:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:47:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:47:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:47:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:47:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:47:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:47:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:47:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:47:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:47:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:47:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:47:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:47:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:47:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:47:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:47:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:47:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:47:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:47:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:47:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:47:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:47:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:47:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:47:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:47:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:47:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:47:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:47:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:47:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:47:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:47:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:47:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:47:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:47:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:47:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:47:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:47:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:47:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:47:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:47:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:47:12,898 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:47:12,899 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:47:12,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:12 BoogieIcfgContainer [2019-09-20 15:47:12,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:47:12,901 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:47:12,902 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:47:12,903 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:47:12,904 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:12" (1/1) ... [2019-09-20 15:47:12,905 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:47:12,942 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:47:12,942 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:47:12,958 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:47:12,971 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:47:12,973 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:47:23,294 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:47:25,109 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:47:25,236 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:25,400 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:25,517 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:25,536 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-20 15:47:25,583 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-20 15:47:25,589 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-20 15:47:26,191 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:47:26,555 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:47:26,852 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:47:27,109 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:47:27,470 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:47:27,883 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:47:28,032 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:47:28,137 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:47:28,346 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:47:28,697 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:47:28,923 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:47:29,050 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:47:29,504 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:47:29,728 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:47:30,542 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 536 [2019-09-20 15:47:30,799 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:47:30,987 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 536 [2019-09-20 15:47:31,171 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:47:31,537 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 542 [2019-09-20 15:47:31,781 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 542 [2019-09-20 15:47:32,004 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 526 [2019-09-20 15:47:32,157 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 526 [2019-09-20 15:47:32,837 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 532 [2019-09-20 15:47:33,090 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:47:33,304 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 532 [2019-09-20 15:47:33,477 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:47:33,759 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 538 [2019-09-20 15:47:34,004 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 538 [2019-09-20 15:47:34,422 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 25 for LOIs [2019-09-20 15:47:34,463 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-20 15:47:34,472 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 12 for LOIs [2019-09-20 15:47:34,476 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-20 15:47:34,478 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:47:34,478 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:47:34,480 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 510#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:47:34,492 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:47:34,493 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:47:34,494 INFO L168 Benchmark]: Toolchain (without parser) took 23912.14 ms. Allocated memory was 138.9 MB in the beginning and 735.6 MB in the end (delta: 596.6 MB). Free memory was 86.1 MB in the beginning and 351.1 MB in the end (delta: -265.0 MB). Peak memory consumption was 331.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:34,496 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:47:34,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.48 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.9 MB in the beginning and 165.9 MB in the end (delta: -79.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:34,497 INFO L168 Benchmark]: Boogie Preprocessor took 87.35 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 162.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:34,499 INFO L168 Benchmark]: RCFGBuilder took 1579.36 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 162.1 MB in the beginning and 153.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:34,500 INFO L168 Benchmark]: Sifa took 21591.66 ms. Allocated memory was 222.3 MB in the beginning and 735.6 MB in the end (delta: 513.3 MB). Free memory was 153.1 MB in the beginning and 351.1 MB in the end (delta: -198.1 MB). Peak memory consumption was 315.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:47:34,504 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.48 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.9 MB in the beginning and 165.9 MB in the end (delta: -79.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.35 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 162.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1579.36 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 162.1 MB in the beginning and 153.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. * Sifa took 21591.66 ms. Allocated memory was 222.3 MB in the beginning and 735.6 MB in the end (delta: 513.3 MB). Free memory was 153.1 MB in the beginning and 351.1 MB in the end (delta: -198.1 MB). Peak memory consumption was 315.2 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]: 21538, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 222, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 150, TOOLS_POST_TIME[ms]: 12335, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 177, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 121, TOOLS_QUANTIFIERELIM_APPLICATIONS: 259, TOOLS_QUANTIFIERELIM_TIME[ms]: 12505, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12184, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 229, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 83, DOMAIN_JOIN_TIME[ms]: 8329, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 29, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 55, DOMAIN_ISBOTTOM_TIME[ms]: 360, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4109, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4108, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12562, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12561, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 478, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 481]: 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 510#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...