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_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:51:40,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:51:40,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:51:40,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:51:40,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:51:40,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:51:40,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:51:40,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:51:40,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:51:40,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:51:40,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:51:40,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:51:40,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:51:40,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:51:40,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:51:40,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:51:40,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:51:40,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:51:40,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:51:40,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:51:40,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:51:40,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:51:40,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:51:40,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:51:40,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:51:40,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:51:40,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:51:40,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:51:40,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:51:40,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:51:40,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:51:40,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:51:40,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:51:40,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:51:40,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:51:40,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:51:40,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:51:40,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:51:40,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:51:40,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:51:40,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:51:40,597 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 15:51:40,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:51:40,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:51:40,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:51:40,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:51:40,613 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:51:40,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:51:40,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:51:40,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:51:40,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:51:40,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:51:40,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:51:40,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:51:40,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:51:40,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:51:40,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:51:40,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:51:40,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:51:40,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:51:40,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:51:40,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:51:40,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:51:40,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:51:40,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:51:40,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:51:40,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:51:40,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:51:40,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:51:40,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:51:40,618 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 15:51:40,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:51:40,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:51:40,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:51:40,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:51:40,673 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:51:40,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-20 15:51:40,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04d8f8903/8840c5e216a244548c65aa29451c5f65/FLAG0632c0452 [2019-09-20 15:51:41,266 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:51:41,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-20 15:51:41,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04d8f8903/8840c5e216a244548c65aa29451c5f65/FLAG0632c0452 [2019-09-20 15:51:41,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04d8f8903/8840c5e216a244548c65aa29451c5f65 [2019-09-20 15:51:41,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:51:41,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:51:41,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:41,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:51:41,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:51:41,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:41" (1/1) ... [2019-09-20 15:51:41,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3c048f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:41, skipping insertion in model container [2019-09-20 15:51:41,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:51:41" (1/1) ... [2019-09-20 15:51:41,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:51:41,615 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:51:42,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:42,093 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:51:42,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:51:42,224 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:51:42,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42 WrapperNode [2019-09-20 15:51:42,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:51:42,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:51:42,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:51:42,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:51:42,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42" (1/1) ... [2019-09-20 15:51:42,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42" (1/1) ... [2019-09-20 15:51:42,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42" (1/1) ... [2019-09-20 15:51:42,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42" (1/1) ... [2019-09-20 15:51:42,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42" (1/1) ... [2019-09-20 15:51:42,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42" (1/1) ... [2019-09-20 15:51:42,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42" (1/1) ... [2019-09-20 15:51:42,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:51:42,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:51:42,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:51:42,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:51:42,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:51:42" (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 15:51:42,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:51:42,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:51:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:51:42,406 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:51:42,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:51:42,406 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:51:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:51:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:51:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:51:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:51:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:51:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:51:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:51:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:51:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:51:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:51:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:51:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:51:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:51:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:51:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:51:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:51:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:51:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:51:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:51:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:51:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:51:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:51:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:51:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:51:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:51:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:51:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:51:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:51:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:51:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:51:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:51:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:51:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:51:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:51:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:51:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:51:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:51:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:51:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:51:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:51:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:51:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:51:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:51:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:51:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:51:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:51:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:51:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:51:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:51:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:51:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:51:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:51:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:51:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:51:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:51:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:51:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:51:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:51:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:51:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:51:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:51:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:51:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:51:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:51:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:51:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:51:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:51:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:51:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:51:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:51:43,839 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:51:43,839 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:51:43,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:43 BoogieIcfgContainer [2019-09-20 15:51:43,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:51:43,842 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:51:43,842 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:51:43,842 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:51:43,844 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:51:43" (1/1) ... [2019-09-20 15:51:43,844 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 15:51:43,870 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:51:43,871 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:51:43,882 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:51:43,894 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:51:43,896 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:51:53,363 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:51:55,147 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:51:55,303 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:55,450 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:55,590 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:51:55,615 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:51:55,675 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:51:55,681 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:51:55,835 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:51:55,974 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:51:56,355 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:56,692 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:51:57,270 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:51:57,639 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:51:58,280 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-20 15:51:58,488 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:51:58,600 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:51:58,894 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:51:59,144 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:51:59,494 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 542 [2019-09-20 15:51:59,758 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-20 15:52:00,123 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 549 [2019-09-20 15:52:00,409 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:00,582 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:00,739 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:00,910 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:01,090 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:01,279 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:01,430 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:01,583 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-20 15:52:01,956 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-20 15:52:02,139 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:52:02,400 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-20 15:52:02,868 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-20 15:52:03,048 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:52:03,299 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-20 15:52:03,848 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-20 15:52:04,181 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:52:04,775 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-20 15:52:05,404 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 548 [2019-09-20 15:52:05,680 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 545 [2019-09-20 15:52:06,203 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-20 15:52:06,926 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-20 15:52:07,373 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:52:07,695 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-20 15:52:08,031 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-20 15:52:08,201 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:52:08,470 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-20 15:52:08,747 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-20 15:52:08,908 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-20 15:52:09,162 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-20 15:52:09,401 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-09-20 15:52:09,661 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 544 [2019-09-20 15:52:09,829 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 541 [2019-09-20 15:52:10,079 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-20 15:52:10,208 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-20 15:52:10,535 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 527 [2019-09-20 15:52:10,808 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 552 [2019-09-20 15:52:10,983 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 549 [2019-09-20 15:52:11,231 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-20 15:52:11,234 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 25 for LOIs [2019-09-20 15:52:11,280 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-20 15:52:11,289 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 12 for LOIs [2019-09-20 15:52:11,293 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 22 for LOIs [2019-09-20 15:52:11,294 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:52:11,295 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:52:11,297 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 822#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:52:11,312 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:52:11,312 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:52:11,314 INFO L168 Benchmark]: Toolchain (without parser) took 29771.96 ms. Allocated memory was 139.5 MB in the beginning and 889.2 MB in the end (delta: 749.7 MB). Free memory was 85.3 MB in the beginning and 811.4 MB in the end (delta: -726.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,314 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.62 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 167.1 MB in the end (delta: -82.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,316 INFO L168 Benchmark]: Boogie Preprocessor took 93.68 ms. Allocated memory is still 199.8 MB. Free memory was 167.1 MB in the beginning and 162.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,321 INFO L168 Benchmark]: RCFGBuilder took 1521.63 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 162.8 MB in the beginning and 154.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,322 INFO L168 Benchmark]: Sifa took 27469.95 ms. Allocated memory was 222.8 MB in the beginning and 889.2 MB in the end (delta: 666.4 MB). Free memory was 154.0 MB in the beginning and 811.4 MB in the end (delta: -657.4 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:52:11,326 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.62 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 167.1 MB in the end (delta: -82.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.68 ms. Allocated memory is still 199.8 MB. Free memory was 167.1 MB in the beginning and 162.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1521.63 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 162.8 MB in the beginning and 154.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. * Sifa took 27469.95 ms. Allocated memory was 222.8 MB in the beginning and 889.2 MB in the end (delta: 666.4 MB). Free memory was 154.0 MB in the beginning and 811.4 MB in the end (delta: -657.4 MB). Peak memory consumption was 8.9 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]: 27427, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 422, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 276, TOOLS_POST_TIME[ms]: 11553, TOOLS_POST_CALL_APPLICATIONS: 116, TOOLS_POST_CALL_TIME[ms]: 406, TOOLS_POST_RETURN_APPLICATIONS: 107, TOOLS_POST_RETURN_TIME[ms]: 298, TOOLS_QUANTIFIERELIM_APPLICATIONS: 499, TOOLS_QUANTIFIERELIM_TIME[ms]: 12046, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11326, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 438, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 116, DOMAIN_JOIN_TIME[ms]: 14254, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 258, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 74, DOMAIN_ISBOTTOM_APPLICATIONS: 74, DOMAIN_ISBOTTOM_TIME[ms]: 387, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8688, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8688, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 107, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11740, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11739, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 514, DAG_COMPRESSION_RETAINED_NODES: 281 - UnprovableResult [Line: 838]: 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 822#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (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...