/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:49:10,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:49:10,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:49:10,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:49:10,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:49:10,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:49:10,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:49:10,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:49:10,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:49:10,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:49:10,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:49:10,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:49:10,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:49:10,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:49:10,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:49:10,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:49:10,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:49:10,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:49:10,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:49:10,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:49:10,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:49:10,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:49:10,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:49:10,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:49:10,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:49:10,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:49:10,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:49:10,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:49:10,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:49:10,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:49:10,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:49:10,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:49:10,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:49:10,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:49:10,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:49:10,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:49:10,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:49:10,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:49:10,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:49:10,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:49:10,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:49:10,512 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 [2019-11-07 10:49:10,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:49:10,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:49:10,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:49:10,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:49:10,531 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:49:10,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:49:10,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:49:10,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:49:10,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:49:10,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:49:10,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:49:10,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:49:10,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:49:10,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:49:10,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:49:10,536 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:49:10,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:49:10,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:49:10,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:49:10,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:49:10,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:49:10,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:49:10,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:49:10,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:49:10,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:49:10,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:49:10,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:49:10,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:49:10,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:49:10,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:49:10,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:49:10,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:49:10,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:49:10,861 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:49:10,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-11-07 10:49:10,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb23e401/9699f77da800473a841201b0cdb00147/FLAG882522384 [2019-11-07 10:49:11,496 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:49:11,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-11-07 10:49:11,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb23e401/9699f77da800473a841201b0cdb00147/FLAG882522384 [2019-11-07 10:49:11,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb23e401/9699f77da800473a841201b0cdb00147 [2019-11-07 10:49:11,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:49:11,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:49:11,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:11,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:49:11,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:49:11,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:11" (1/1) ... [2019-11-07 10:49:11,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd3e61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:11, skipping insertion in model container [2019-11-07 10:49:11,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:11" (1/1) ... [2019-11-07 10:49:11,782 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:49:11,825 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:49:12,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:12,205 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:49:12,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:12,383 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:49:12,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12 WrapperNode [2019-11-07 10:49:12,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:12,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:49:12,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:49:12,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:49:12,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:49:12,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:49:12,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:49:12,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:49:12,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (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 [2019-11-07 10:49:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:49:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:49:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:49:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:49:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:49:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:49:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:49:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:49:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:49:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:49:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:49:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:49:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:49:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:49:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:49:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:49:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:49:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:49:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:49:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:49:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:49:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:49:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:49:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:49:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 10:49:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:49:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:49:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:49:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:49:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:49:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:49:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:49:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:49:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:49:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:49:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:49:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:49:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:49:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:49:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:49:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:49:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:49:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:49:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:49:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:49:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:49:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:49:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:49:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:49:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:49:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:49:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:49:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:49:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:49:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:49:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:49:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:49:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:49:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:49:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:49:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:49:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:49:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:49:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:49:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:49:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:49:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:49:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:49:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:49:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:49:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:49:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:49:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:49:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:49:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:49:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:49:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 10:49:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:49:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:49:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:49:13,963 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:49:13,963 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:49:13,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:13 BoogieIcfgContainer [2019-11-07 10:49:13,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:49:13,965 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:49:13,965 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:49:13,966 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:49:13,967 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:13" (1/1) ... [2019-11-07 10:49:13,968 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:49:13,993 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:49:13,994 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:49:14,003 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:49:14,013 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:49:14,014 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:49:25,046 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:49:26,797 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:49:26,949 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:49:26,967 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-11-07 10:49:27,006 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-11-07 10:49:27,012 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-11-07 10:49:27,561 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-11-07 10:49:27,841 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-07 10:49:28,352 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-11-07 10:49:28,474 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-07 10:49:28,803 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2019-11-07 10:49:29,461 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2019-11-07 10:49:29,934 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2019-11-07 10:49:30,566 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-11-07 10:49:30,778 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 604 [2019-11-07 10:49:31,043 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:49:31,045 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-11-07 10:49:31,308 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-11-07 10:49:31,316 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 140 for LOIs [2019-11-07 10:49:31,316 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:49:31,339 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:49:31,339 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:49:31,341 INFO L168 Benchmark]: Toolchain (without parser) took 19574.63 ms. Allocated memory was 137.9 MB in the beginning and 491.3 MB in the end (delta: 353.4 MB). Free memory was 100.0 MB in the beginning and 282.0 MB in the end (delta: -182.0 MB). Peak memory consumption was 171.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:31,342 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:49:31,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.57 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 169.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:31,344 INFO L168 Benchmark]: Boogie Preprocessor took 93.76 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 165.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:31,345 INFO L168 Benchmark]: RCFGBuilder took 1486.21 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 153.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:31,346 INFO L168 Benchmark]: Sifa took 17374.27 ms. Allocated memory was 234.4 MB in the beginning and 491.3 MB in the end (delta: 256.9 MB). Free memory was 153.7 MB in the beginning and 282.0 MB in the end (delta: -128.3 MB). Peak memory consumption was 128.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:31,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 616.57 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 169.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.76 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 165.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1486.21 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 153.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Sifa took 17374.27 ms. Allocated memory was 234.4 MB in the beginning and 491.3 MB in the end (delta: 256.9 MB). Free memory was 153.7 MB in the beginning and 282.0 MB in the end (delta: -128.3 MB). Peak memory consumption was 128.6 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]: 17324, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 33, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 106, TOOLS_POST_TIME[ms]: 12932, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 137, TOOLS_POST_RETURN_APPLICATIONS: 43, TOOLS_POST_RETURN_TIME[ms]: 69, TOOLS_QUANTIFIERELIM_APPLICATIONS: 198, TOOLS_QUANTIFIERELIM_TIME[ms]: 13054, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12863, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 191, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 31, DOMAIN_JOIN_TIME[ms]: 3816, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 114, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 114, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2078, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2077, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 43, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13038, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13037, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 423, DAG_COMPRESSION_RETAINED_NODES: 178 - UnprovableResult [Line: 633]: 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 401#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string39.offset| 0) (= |#t~string32.offset| 0) (= 0 ~waterLevel~0) (= |#NULL.base| 0) (<= |#t~string39.offset| 0) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (= |#t~string51.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (= |#t~string57.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (= |#t~string43.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 |#t~string41.offset|) (= |#t~string24.offset| 0) (<= 0 |#t~string65.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (<= |#t~string29.offset| 0) (= |#t~string45.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...