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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:48:04,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:48:04,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:48:04,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:48:04,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:48:04,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:48:04,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:48:04,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:48:04,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:48:04,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:48:04,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:48:04,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:48:04,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:48:04,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:48:04,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:48:04,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:48:04,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:48:04,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:48:04,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:48:04,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:48:04,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:48:04,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:48:04,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:48:04,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:48:04,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:48:04,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:48:04,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:48:04,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:48:04,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:48:04,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:48:04,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:48:04,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:48:04,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:48:04,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:48:04,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:48:04,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:48:04,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:48:04,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:48:04,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:48:04,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:48:04,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:48:04,605 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 15:48:04,628 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:48:04,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:48:04,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:48:04,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:48:04,631 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:48:04,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:48:04,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:48:04,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:48:04,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:48:04,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:48:04,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:48:04,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:48:04,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:48:04,634 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:48:04,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:48:04,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:48:04,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:48:04,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:48:04,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:48:04,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:48:04,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:48:04,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:48:04,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:48:04,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:48:04,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:48:04,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:48:04,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:48:04,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:48:04,638 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 15:48:04,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:48:04,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:48:04,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:48:04,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:48:04,695 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:48:04,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2019-09-20 15:48:04,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd8051b0/3f49e1051aab4917960d39bd15f636e2/FLAGf4859b020 [2019-09-20 15:48:05,329 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:48:05,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2019-09-20 15:48:05,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd8051b0/3f49e1051aab4917960d39bd15f636e2/FLAGf4859b020 [2019-09-20 15:48:05,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd8051b0/3f49e1051aab4917960d39bd15f636e2 [2019-09-20 15:48:05,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:48:05,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:48:05,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:05,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:48:05,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:48:05,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:05" (1/1) ... [2019-09-20 15:48:05,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae326e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:05, skipping insertion in model container [2019-09-20 15:48:05,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:48:05" (1/1) ... [2019-09-20 15:48:05,611 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:48:05,662 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:48:06,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:06,111 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:48:06,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:48:06,248 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:48:06,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06 WrapperNode [2019-09-20 15:48:06,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:48:06,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:48:06,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:48:06,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:48:06,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06" (1/1) ... [2019-09-20 15:48:06,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06" (1/1) ... [2019-09-20 15:48:06,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06" (1/1) ... [2019-09-20 15:48:06,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06" (1/1) ... [2019-09-20 15:48:06,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06" (1/1) ... [2019-09-20 15:48:06,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06" (1/1) ... [2019-09-20 15:48:06,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06" (1/1) ... [2019-09-20 15:48:06,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:48:06,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:48:06,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:48:06,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:48:06,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:48:06" (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 15:48:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:48:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:48:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:48:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:48:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:48:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:48:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:48:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:48:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:48:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:48:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:48:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:48:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:48:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:48:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:48:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:48:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:48:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:48:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:48:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:48:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:48:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:48:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:48:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:48:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:48:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:48:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:48:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:48:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:48:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:48:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:48:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:48:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:48:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:48:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:48:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:48:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:48:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:48:06,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:48:06,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:48:06,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:48:06,462 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:48:06,462 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:48:06,462 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:48:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:48:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:48:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:48:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:48:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:48:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:48:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:48:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:48:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:48:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:48:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:48:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:48:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:48:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:48:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:48:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:48:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:48:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:48:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:48:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:48:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:48:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:48:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:48:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:48:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:48:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:48:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:48:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:48:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:48:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:48:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:48:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:48:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:48:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:48:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:48:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:48:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:48:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:48:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:48:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 15:48:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:48:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:48:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:48:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:48:08,061 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:48:08,062 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:48:08,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:08 BoogieIcfgContainer [2019-09-20 15:48:08,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:48:08,066 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:48:08,066 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:48:08,066 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:48:08,068 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:48:08" (1/1) ... [2019-09-20 15:48:08,068 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 15:48:08,100 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:48:08,100 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:48:08,112 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:48:08,127 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:48:08,128 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:48:18,566 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:48:20,299 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:48:20,462 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:20,592 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:20,715 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:48:20,738 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:48:20,793 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:48:20,798 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:48:21,309 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2019-09-20 15:48:21,646 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2019-09-20 15:48:21,945 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2019-09-20 15:48:22,210 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2019-09-20 15:48:22,698 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:48:23,111 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:48:23,521 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-20 15:48:23,785 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:48:23,905 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:48:24,214 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:48:24,490 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:48:24,727 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:48:24,988 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2019-09-20 15:48:25,465 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-09-20 15:48:25,866 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-20 15:48:26,126 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-09-20 15:48:26,829 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 532 [2019-09-20 15:48:27,000 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:27,184 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:48:27,524 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-20 15:48:28,484 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 532 [2019-09-20 15:48:28,649 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:28,827 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:48:29,274 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 532 [2019-09-20 15:48:29,446 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-20 15:48:29,630 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-20 15:48:30,410 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 541 [2019-09-20 15:48:30,418 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:48:30,478 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:48:30,489 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 20 for LOIs [2019-09-20 15:48:30,495 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-20 15:48:30,498 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:48:30,498 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:48:30,500 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 525#(and (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:48:30,510 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:48:30,511 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:48:30,513 INFO L168 Benchmark]: Toolchain (without parser) took 24918.33 ms. Allocated memory was 132.1 MB in the beginning and 743.4 MB in the end (delta: 611.3 MB). Free memory was 86.7 MB in the beginning and 291.1 MB in the end (delta: -204.4 MB). Peak memory consumption was 406.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:30,514 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:48:30,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.24 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.5 MB in the beginning and 164.9 MB in the end (delta: -78.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:30,515 INFO L168 Benchmark]: Boogie Preprocessor took 110.08 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 160.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:30,516 INFO L168 Benchmark]: RCFGBuilder took 1704.96 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 160.2 MB in the beginning and 145.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:30,517 INFO L168 Benchmark]: Sifa took 22445.05 ms. Allocated memory was 222.3 MB in the beginning and 743.4 MB in the end (delta: 521.1 MB). Free memory was 145.1 MB in the beginning and 291.1 MB in the end (delta: -145.9 MB). Peak memory consumption was 375.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:30,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.24 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.5 MB in the beginning and 164.9 MB in the end (delta: -78.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.08 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 160.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1704.96 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 160.2 MB in the beginning and 145.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. * Sifa took 22445.05 ms. Allocated memory was 222.3 MB in the beginning and 743.4 MB in the end (delta: 521.1 MB). Free memory was 145.1 MB in the beginning and 291.1 MB in the end (delta: -145.9 MB). Peak memory consumption was 375.2 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]: 22400, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 263, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 181, TOOLS_POST_TIME[ms]: 12413, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 212, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 143, TOOLS_QUANTIFIERELIM_APPLICATIONS: 302, TOOLS_QUANTIFIERELIM_TIME[ms]: 12634, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12245, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 272, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 88, DOMAIN_JOIN_TIME[ms]: 8899, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 260, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 250, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6583, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6582, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12657, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12656, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 468, DAG_COMPRESSION_RETAINED_NODES: 239 - UnprovableResult [Line: 82]: 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 525#(and (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...