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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:31:03,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:31:03,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:31:03,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:31:03,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:31:03,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:31:03,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:31:03,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:31:03,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:31:03,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:31:03,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:31:03,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:31:03,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:31:03,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:31:03,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:31:03,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:31:03,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:31:03,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:31:03,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:31:03,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:31:03,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:31:03,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:31:03,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:31:03,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:31:03,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:31:03,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:31:03,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:31:03,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:31:03,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:31:03,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:31:03,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:31:03,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:31:03,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:31:03,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:31:03,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:31:03,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:31:03,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:31:03,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:31:03,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:31:03,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:31:03,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:31:03,628 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 [2019-09-21 08:31:03,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:31:03,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:31:03,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:31:03,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:31:03,655 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:31:03,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:31:03,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:31:03,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:31:03,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:31:03,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:31:03,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:31:03,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:31:03,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:31:03,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:31:03,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:31:03,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:31:03,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:31:03,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:31:03,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:31:03,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:31:03,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:31:03,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:31:03,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:31:03,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:31:03,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:31:03,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:31:03,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:31:03,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:31:03,661 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 [2019-09-21 08:31:03,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:31:03,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:31:03,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:31:03,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:31:03,733 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:31:03,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2019-09-21 08:31:03,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a899e1be4/e5eb60a5f70d4ff6be09be6e13b871a4/FLAG77fbe62e2 [2019-09-21 08:31:04,325 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:31:04,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2019-09-21 08:31:04,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a899e1be4/e5eb60a5f70d4ff6be09be6e13b871a4/FLAG77fbe62e2 [2019-09-21 08:31:04,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a899e1be4/e5eb60a5f70d4ff6be09be6e13b871a4 [2019-09-21 08:31:04,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:31:04,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:31:04,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:31:04,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:31:04,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:31:04,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:31:04" (1/1) ... [2019-09-21 08:31:04,664 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 21.09 08:31:04, skipping insertion in model container [2019-09-21 08:31:04,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:31:04" (1/1) ... [2019-09-21 08:31:04,671 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:31:04,733 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:31:05,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:31:05,178 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:31:05,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:31:05,330 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:31:05,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05 WrapperNode [2019-09-21 08:31:05,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:31:05,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:31:05,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:31:05,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:31:05,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (1/1) ... [2019-09-21 08:31:05,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:31:05,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:31:05,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:31:05,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:31:05,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:31:05" (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 [2019-09-21 08:31:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:31:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:31:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:31:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:31:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:31:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:31:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:31:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:31:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:31:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:31:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:31:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:31:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:31:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:31:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:31:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:31:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:31:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:31:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:31:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:31:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:31:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:31:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:31:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:31:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:31:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:31:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:31:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:31:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:31:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:31:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:31:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:31:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:31:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:31:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:31:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:31:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:31:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:31:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:31:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:31:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:31:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:31:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:31:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:31:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:31:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:31:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:31:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:31:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:31:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-21 08:31:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:31:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:31:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:31:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:31:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:31:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:31:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:31:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:31:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:31:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:31:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:31:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:31:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:31:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:31:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:31:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:31:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:31:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:31:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:31:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:31:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:31:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:31:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:31:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:31:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:31:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:31:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:31:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:31:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:31:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:31:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:31:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:31:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:31:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:31:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:31:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:31:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:31:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:31:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:31:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:31:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:31:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:31:06,902 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:31:06,902 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:31:06,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:31:06 BoogieIcfgContainer [2019-09-21 08:31:06,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:31:06,904 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:31:06,905 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:31:06,905 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:31:06,906 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:31:06" (1/1) ... [2019-09-21 08:31:06,907 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 [2019-09-21 08:31:06,933 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:31:06,933 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:31:06,944 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:31:06,954 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:31:06,955 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:31:16,138 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:31:17,694 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:31:17,872 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:18,015 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:18,142 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:31:18,166 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:31:18,233 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:31:18,238 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:31:18,405 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:31:18,555 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:31:19,072 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:31:19,502 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:31:19,857 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:31:20,105 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:31:20,448 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:31:20,655 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:31:21,128 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:31:21,463 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:31:22,213 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:31:22,789 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:31:23,655 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-21 08:31:24,078 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:31:24,352 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 518 [2019-09-21 08:31:24,544 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 08:31:24,998 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:31:25,471 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:31:25,934 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 544 [2019-09-21 08:31:26,367 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:31:27,067 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-09-21 08:31:27,802 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:31:28,080 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:31:29,391 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:31:30,117 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:31:30,574 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-21 08:31:30,884 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:31:31,147 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 516 [2019-09-21 08:31:31,361 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 08:31:32,285 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:31:33,312 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:31:33,886 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 542 [2019-09-21 08:31:34,362 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:31:35,060 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-09-21 08:31:35,457 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:31:35,746 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:31:36,411 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:31:36,964 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:31:37,398 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-21 08:31:37,696 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-21 08:31:37,952 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 518 [2019-09-21 08:31:38,130 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 518 [2019-09-21 08:31:38,552 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:31:38,985 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:31:39,429 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 544 [2019-09-21 08:31:39,851 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-09-21 08:31:40,525 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-09-21 08:31:40,567 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 27 for LOIs [2019-09-21 08:31:40,613 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-21 08:31:40,625 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-21 08:31:40,628 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-21 08:31:40,629 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:31:40,629 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:31:40,632 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 560#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-21 08:31:40,645 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:31:40,645 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:31:40,652 INFO L168 Benchmark]: Toolchain (without parser) took 35991.12 ms. Allocated memory was 140.5 MB in the beginning and 942.7 MB in the end (delta: 802.2 MB). Free memory was 85.6 MB in the beginning and 140.6 MB in the end (delta: -55.0 MB). Peak memory consumption was 747.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:40,653 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-21 08:31:40,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.07 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 85.4 MB in the beginning and 165.9 MB in the end (delta: -80.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:40,661 INFO L168 Benchmark]: Boogie Preprocessor took 90.84 ms. Allocated memory is still 200.3 MB. Free memory was 165.9 MB in the beginning and 161.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:40,662 INFO L168 Benchmark]: RCFGBuilder took 1480.86 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 161.7 MB in the beginning and 145.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:40,664 INFO L168 Benchmark]: Sifa took 33740.47 ms. Allocated memory was 226.5 MB in the beginning and 942.7 MB in the end (delta: 716.2 MB). Free memory was 145.4 MB in the beginning and 140.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 721.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:31:40,668 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.07 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 85.4 MB in the beginning and 165.9 MB in the end (delta: -80.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.84 ms. Allocated memory is still 200.3 MB. Free memory was 165.9 MB in the beginning and 161.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1480.86 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 161.7 MB in the beginning and 145.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Sifa took 33740.47 ms. Allocated memory was 226.5 MB in the beginning and 942.7 MB in the end (delta: 716.2 MB). Free memory was 145.4 MB in the beginning and 140.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 721.0 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]: 33699, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 283, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 183, TOOLS_POST_TIME[ms]: 11014, TOOLS_POST_CALL_APPLICATIONS: 84, TOOLS_POST_CALL_TIME[ms]: 319, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME[ms]: 233, TOOLS_QUANTIFIERELIM_APPLICATIONS: 342, TOOLS_QUANTIFIERELIM_TIME[ms]: 11423, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10848, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 292, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 91, DOMAIN_JOIN_TIME[ms]: 19637, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2047, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 258, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 17558, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17557, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11300, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11299, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 405, DAG_COMPRESSION_RETAINED_NODES: 221 - UnprovableResult [Line: 578]: 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 560#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...