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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 04:43:35,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 04:43:35,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 04:43:35,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 04:43:35,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 04:43:35,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 04:43:35,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 04:43:35,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 04:43:35,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 04:43:35,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 04:43:35,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 04:43:35,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 04:43:35,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 04:43:35,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 04:43:35,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 04:43:35,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 04:43:35,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 04:43:35,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 04:43:35,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 04:43:35,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 04:43:35,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 04:43:35,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 04:43:35,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 04:43:35,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 04:43:35,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 04:43:35,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 04:43:35,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 04:43:35,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 04:43:35,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 04:43:35,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 04:43:35,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 04:43:35,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 04:43:35,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 04:43:35,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 04:43:35,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 04:43:35,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 04:43:35,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 04:43:35,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 04:43:35,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 04:43:35,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 04:43:35,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 04:43:35,641 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 [2019-09-18 04:43:35,656 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 04:43:35,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 04:43:35,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 04:43:35,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 04:43:35,658 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 04:43:35,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 04:43:35,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 04:43:35,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 04:43:35,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 04:43:35,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 04:43:35,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 04:43:35,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 04:43:35,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 04:43:35,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 04:43:35,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 04:43:35,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 04:43:35,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 04:43:35,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 04:43:35,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 04:43:35,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 04:43:35,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 04:43:35,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 04:43:35,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 04:43:35,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 04:43:35,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 04:43:35,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 04:43:35,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 04:43:35,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 04:43:35,663 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 -> SequenceOfStatements 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_DDA [2019-09-18 04:43:35,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 04:43:35,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 04:43:35,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 04:43:35,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 04:43:35,711 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 04:43:35,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-09-18 04:43:35,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1655be3f0/33997ab5dcd4435cbaedc9893b6f6757/FLAG3d72fd692 [2019-09-18 04:43:36,361 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 04:43:36,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2019-09-18 04:43:36,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1655be3f0/33997ab5dcd4435cbaedc9893b6f6757/FLAG3d72fd692 [2019-09-18 04:43:36,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1655be3f0/33997ab5dcd4435cbaedc9893b6f6757 [2019-09-18 04:43:36,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 04:43:36,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 04:43:36,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 04:43:36,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 04:43:36,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 04:43:36,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:43:36" (1/1) ... [2019-09-18 04:43:36,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e757327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:36, skipping insertion in model container [2019-09-18 04:43:36,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:43:36" (1/1) ... [2019-09-18 04:43:36,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 04:43:36,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 04:43:37,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:43:37,172 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 04:43:37,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:43:37,297 INFO L192 MainTranslator]: Completed translation [2019-09-18 04:43:37,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37 WrapperNode [2019-09-18 04:43:37,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 04:43:37,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 04:43:37,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 04:43:37,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 04:43:37,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37" (1/1) ... [2019-09-18 04:43:37,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37" (1/1) ... [2019-09-18 04:43:37,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37" (1/1) ... [2019-09-18 04:43:37,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37" (1/1) ... [2019-09-18 04:43:37,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37" (1/1) ... [2019-09-18 04:43:37,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37" (1/1) ... [2019-09-18 04:43:37,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37" (1/1) ... [2019-09-18 04:43:37,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 04:43:37,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 04:43:37,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 04:43:37,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 04:43:37,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:43:37" (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 [2019-09-18 04:43:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 04:43:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 04:43:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 04:43:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 04:43:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 04:43:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 04:43:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 04:43:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 04:43:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 04:43:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 04:43:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 04:43:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 04:43:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 04:43:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 04:43:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 04:43:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 04:43:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 04:43:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 04:43:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 04:43:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 04:43:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 04:43:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 04:43:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 04:43:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 04:43:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 04:43:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 04:43:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:43:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 04:43:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 04:43:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 04:43:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 04:43:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 04:43:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 04:43:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 04:43:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 04:43:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 04:43:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 04:43:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 04:43:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 04:43:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 04:43:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 04:43:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 04:43:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 04:43:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 04:43:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 04:43:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 04:43:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 04:43:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 04:43:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 04:43:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 04:43:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 04:43:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 04:43:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 04:43:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 04:43:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 04:43:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 04:43:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 04:43:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 04:43:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 04:43:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 04:43:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 04:43:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 04:43:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 04:43:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 04:43:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 04:43:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 04:43:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 04:43:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 04:43:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 04:43:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 04:43:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 04:43:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 04:43:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 04:43:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 04:43:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 04:43:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 04:43:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 04:43:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 04:43:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 04:43:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 04:43:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:43:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 04:43:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 04:43:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 04:43:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 04:43:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 04:43:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 04:43:37,503 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 04:43:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 04:43:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 04:43:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 04:43:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 04:43:38,764 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 04:43:38,765 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 04:43:38,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:43:38 BoogieIcfgContainer [2019-09-18 04:43:38,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 04:43:38,767 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 04:43:38,768 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 04:43:38,768 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 04:43:38,769 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:43:38" (1/1) ... [2019-09-18 04:43:38,770 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 04:43:38,801 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 04:43:38,801 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 04:43:38,816 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 04:43:38,824 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 04:43:38,825 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 04:44:03,519 WARN L191 SmtUtils]: Spent 15.02 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:44:05,511 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 04:44:10,546 WARN L191 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 04:44:12,845 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:44:15,163 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:44:15,180 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 04:44:15,248 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 04:44:15,253 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 04:44:30,302 WARN L191 SmtUtils]: Spent 14.89 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 04:44:37,614 WARN L191 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:44:52,223 WARN L191 SmtUtils]: Spent 14.61 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 04:44:59,496 WARN L191 SmtUtils]: Spent 7.27 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:45:14,060 WARN L191 SmtUtils]: Spent 14.56 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 04:45:21,303 WARN L191 SmtUtils]: Spent 7.24 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:45:35,751 WARN L191 SmtUtils]: Spent 14.45 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 04:45:43,012 WARN L191 SmtUtils]: Spent 7.26 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 04:46:07,126 WARN L191 SmtUtils]: Spent 24.04 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 04:46:19,171 WARN L191 SmtUtils]: Spent 12.04 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 04:47:02,076 WARN L191 SmtUtils]: Spent 42.81 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-18 04:47:23,446 WARN L191 SmtUtils]: Spent 21.37 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 04:47:47,654 WARN L191 SmtUtils]: Spent 24.16 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 04:47:59,685 WARN L191 SmtUtils]: Spent 12.03 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 04:48:30,458 WARN L191 SmtUtils]: Spent 30.73 s on a formula simplification that was a NOOP. DAG size: 492 [2019-09-18 04:48:31,636 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:48:31,881 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-09-18 04:48:32,271 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-18 04:48:32,428 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 04:48:32,763 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-18 04:48:32,920 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 04:48:33,098 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:48:33,400 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 04:48:33,614 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 04:48:58,071 WARN L191 SmtUtils]: Spent 24.06 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 04:49:10,080 WARN L191 SmtUtils]: Spent 12.01 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 04:49:52,845 WARN L191 SmtUtils]: Spent 42.70 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-18 04:50:14,367 WARN L191 SmtUtils]: Spent 21.52 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 04:50:38,419 WARN L191 SmtUtils]: Spent 24.02 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 04:50:50,419 WARN L191 SmtUtils]: Spent 12.00 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 04:51:21,175 WARN L191 SmtUtils]: Spent 30.73 s on a formula simplification that was a NOOP. DAG size: 492 [2019-09-18 04:51:21,643 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:51:21,863 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-09-18 04:51:22,254 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-18 04:51:22,414 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 04:51:22,757 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-18 04:51:22,915 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 04:51:23,077 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-18 04:51:23,401 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 04:51:23,611 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 04:51:23,626 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-18 04:51:23,777 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-18 04:51:24,193 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-18 04:51:24,486 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-18 04:51:24,593 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-18 04:51:24,797 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-18 04:51:25,125 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-18 04:51:25,243 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-18 04:51:25,477 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-18 04:51:25,877 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 04:51:25,994 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 04:51:26,114 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-18 04:51:26,117 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-18 04:51:26,144 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 04:51:26,145 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 04:51:26,147 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 525#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-18 04:51:26,160 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 04:51:26,160 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 04:51:26,161 INFO L168 Benchmark]: Toolchain (without parser) took 469500.35 ms. Allocated memory was 134.2 MB in the beginning and 134.7 MB in the end (delta: 524.3 kB). Free memory was 89.0 MB in the beginning and 81.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-09-18 04:51:26,162 INFO L168 Benchmark]: CDTParser took 1.15 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 04:51:26,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.93 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 88.8 MB in the beginning and 167.2 MB in the end (delta: -78.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-18 04:51:26,164 INFO L168 Benchmark]: Boogie Preprocessor took 101.52 ms. Allocated memory is still 201.9 MB. Free memory was 167.2 MB in the beginning and 162.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-18 04:51:26,165 INFO L168 Benchmark]: RCFGBuilder took 1366.78 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 162.9 MB in the beginning and 196.9 MB in the end (delta: -34.0 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-09-18 04:51:26,165 INFO L168 Benchmark]: Sifa took 467392.41 ms. Allocated memory was 229.1 MB in the beginning and 134.7 MB in the end (delta: -94.4 MB). Free memory was 196.9 MB in the beginning and 81.2 MB in the end (delta: 115.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-18 04:51:26,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.93 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 88.8 MB in the beginning and 167.2 MB in the end (delta: -78.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.52 ms. Allocated memory is still 201.9 MB. Free memory was 167.2 MB in the beginning and 162.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1366.78 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 162.9 MB in the beginning and 196.9 MB in the end (delta: -34.0 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Sifa took 467392.41 ms. Allocated memory was 229.1 MB in the beginning and 134.7 MB in the end (delta: -94.4 MB). Free memory was 196.9 MB in the beginning and 81.2 MB in the end (delta: 115.7 MB). Peak memory consumption was 21.3 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]: 467346, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 274, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 190, TOOLS_POST_TIME[ms]: 31776, TOOLS_POST_CALL_APPLICATIONS: 69, TOOLS_POST_CALL_TIME[ms]: 181, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 111, TOOLS_QUANTIFIERELIM_APPLICATIONS: 318, TOOLS_QUANTIFIERELIM_TIME[ms]: 31953, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31661, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 281, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 86, DOMAIN_JOIN_TIME[ms]: 433671, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1162, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 46, DOMAIN_ISBOTTOM_TIME[ms]: 287, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7886, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7885, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 37268, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 37267, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 482, DAG_COMPRESSION_RETAINED_NODES: 267 - UnprovableResult [Line: 643]: 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) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...