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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:49:23,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:49:23,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:49:23,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:49:23,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:49:23,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:49:23,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:49:23,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:49:23,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:49:23,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:49:23,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:49:23,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:49:23,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:49:23,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:49:23,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:49:23,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:49:23,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:49:23,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:49:23,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:49:23,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:49:23,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:49:23,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:49:23,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:49:23,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:49:23,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:49:23,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:49:23,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:49:23,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:49:23,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:49:23,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:49:23,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:49:23,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:49:23,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:49:23,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:49:23,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:49:23,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:49:23,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:49:23,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:49:23,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:49:23,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:49:23,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:49:23,394 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 [2019-09-19 22:49:23,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:49:23,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:49:23,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:49:23,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:49:23,410 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:49:23,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:49:23,411 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:49:23,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:49:23,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:49:23,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:49:23,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:49:23,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:49:23,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:49:23,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:49:23,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:49:23,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:49:23,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:49:23,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:49:23,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:49:23,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:49:23,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:49:23,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:49:23,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:49:23,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:49:23,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:49:23,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:49:23,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:49:23,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:49:23,416 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:49:23,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:49:23,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:49:23,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:49:23,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:49:23,499 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:49:23,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-09-19 22:49:23,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/211d52ac9/325e88871ece4f02a6de07a84785e638/FLAGc7f9a7df9 [2019-09-19 22:49:24,044 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:49:24,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-09-19 22:49:24,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/211d52ac9/325e88871ece4f02a6de07a84785e638/FLAGc7f9a7df9 [2019-09-19 22:49:24,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/211d52ac9/325e88871ece4f02a6de07a84785e638 [2019-09-19 22:49:24,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:49:24,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:49:24,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:49:24,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:49:24,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:49:24,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:49:24" (1/1) ... [2019-09-19 22:49:24,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc28577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:24, skipping insertion in model container [2019-09-19 22:49:24,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:49:24" (1/1) ... [2019-09-19 22:49:24,382 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:49:24,439 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:49:24,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:49:24,887 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:49:25,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:49:25,082 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:49:25,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25 WrapperNode [2019-09-19 22:49:25,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:49:25,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:49:25,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:49:25,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:49:25,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25" (1/1) ... [2019-09-19 22:49:25,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25" (1/1) ... [2019-09-19 22:49:25,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25" (1/1) ... [2019-09-19 22:49:25,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25" (1/1) ... [2019-09-19 22:49:25,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25" (1/1) ... [2019-09-19 22:49:25,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25" (1/1) ... [2019-09-19 22:49:25,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25" (1/1) ... [2019-09-19 22:49:25,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:49:25,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:49:25,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:49:25,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:49:25,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:49:25" (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 [2019-09-19 22:49:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:49:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:49:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:49:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:49:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:49:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:49:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:49:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:49:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:49:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:49:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:49:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:49:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:49:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:49:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:49:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:49:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:49:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:49:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:49:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:49:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:49:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 22:49:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 22:49:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 22:49:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:49:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 22:49:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:49:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:49:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:49:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:49:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:49:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 22:49:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 22:49:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:49:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 22:49:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:49:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:49:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:49:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:49:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:49:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:49:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 22:49:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 22:49:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:49:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:49:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:49:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:49:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:49:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:49:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:49:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:49:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:49:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:49:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:49:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:49:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:49:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:49:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:49:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:49:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:49:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:49:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:49:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:49:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:49:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:49:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:49:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:49:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:49:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:49:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:49:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:49:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:49:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:49:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:49:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:49:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:49:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:49:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:49:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:49:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:49:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:49:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:49:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:49:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:49:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 22:49:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 22:49:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:49:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:49:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:49:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 22:49:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:49:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 22:49:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 22:49:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 22:49:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 22:49:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 22:49:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:49:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 22:49:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:49:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:49:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:49:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:49:27,022 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:49:27,022 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:49:27,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:49:27 BoogieIcfgContainer [2019-09-19 22:49:27,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:49:27,025 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:49:27,025 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:49:27,025 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:49:27,027 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:49:27" (1/1) ... [2019-09-19 22:49:27,027 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 22:49:27,064 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:49:27,065 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:49:27,084 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:49:27,097 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:49:27,098 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:49:50,984 WARN L191 SmtUtils]: Spent 14.09 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 22:49:52,672 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:49:56,799 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 22:49:58,583 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:50:00,308 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:50:00,323 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 22:50:00,390 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 22:50:00,395 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 22:50:12,088 WARN L191 SmtUtils]: Spent 11.53 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:50:17,712 WARN L191 SmtUtils]: Spent 5.62 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:50:28,980 WARN L191 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:50:34,504 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:50:45,731 WARN L191 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:50:51,348 WARN L191 SmtUtils]: Spent 5.62 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:51:02,541 WARN L191 SmtUtils]: Spent 11.19 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 22:51:08,094 WARN L191 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 22:51:26,615 WARN L191 SmtUtils]: Spent 18.45 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 22:51:35,902 WARN L191 SmtUtils]: Spent 9.29 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 22:52:08,922 WARN L191 SmtUtils]: Spent 32.87 s on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2019-09-19 22:52:25,302 WARN L191 SmtUtils]: Spent 16.38 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 22:53:12,760 WARN L191 SmtUtils]: Spent 47.46 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-19 22:53:16,249 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-19 22:53:16,576 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:53:16,910 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:53:36,032 WARN L191 SmtUtils]: Spent 18.57 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 22:53:45,295 WARN L191 SmtUtils]: Spent 9.26 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 22:54:18,441 WARN L191 SmtUtils]: Spent 33.03 s on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2019-09-19 22:54:35,392 WARN L191 SmtUtils]: Spent 16.95 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 22:55:23,929 WARN L191 SmtUtils]: Spent 48.53 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-19 22:55:26,634 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-19 22:55:26,924 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:55:27,259 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:55:27,872 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 22:55:28,167 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-19 22:55:28,578 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-19 22:55:28,995 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-19 22:55:47,716 WARN L191 SmtUtils]: Spent 18.60 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 22:55:57,029 WARN L191 SmtUtils]: Spent 9.31 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 22:56:30,077 WARN L191 SmtUtils]: Spent 32.91 s on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2019-09-19 22:56:46,553 WARN L191 SmtUtils]: Spent 16.47 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 22:57:35,558 WARN L191 SmtUtils]: Spent 49.00 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-19 22:57:38,211 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-19 22:57:38,486 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:57:38,819 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:57:57,836 WARN L191 SmtUtils]: Spent 18.55 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-19 22:58:07,160 WARN L191 SmtUtils]: Spent 9.32 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-19 22:58:40,248 WARN L191 SmtUtils]: Spent 32.99 s on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2019-09-19 22:58:57,042 WARN L191 SmtUtils]: Spent 16.79 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 22:59:45,631 WARN L191 SmtUtils]: Spent 48.59 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-09-19 22:59:48,267 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 466 DAG size of output: 31 [2019-09-19 22:59:48,529 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:59:48,861 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:59:49,074 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-19 22:59:49,224 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-19 22:59:49,482 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:59:49,813 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-19 22:59:49,824 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-19 22:59:49,828 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 22:59:49,937 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-19 22:59:49,941 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-19 22:59:49,973 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:59:49,974 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:59:49,976 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 678#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-19 22:59:49,987 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:59:49,988 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:59:49,989 INFO L168 Benchmark]: Toolchain (without parser) took 625621.37 ms. Allocated memory was 132.1 MB in the beginning and 134.7 MB in the end (delta: 2.6 MB). Free memory was 86.6 MB in the beginning and 91.7 MB in the end (delta: -5.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:59:49,990 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 22:59:49,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.55 ms. Allocated memory was 132.1 MB in the beginning and 197.1 MB in the end (delta: 65.0 MB). Free memory was 86.4 MB in the beginning and 160.9 MB in the end (delta: -74.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:59:49,992 INFO L168 Benchmark]: Boogie Preprocessor took 91.18 ms. Allocated memory is still 197.1 MB. Free memory was 160.9 MB in the beginning and 156.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:59:49,992 INFO L168 Benchmark]: RCFGBuilder took 1849.84 ms. Allocated memory was 197.1 MB in the beginning and 219.7 MB in the end (delta: 22.5 MB). Free memory was 156.4 MB in the beginning and 135.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:59:49,993 INFO L168 Benchmark]: Sifa took 622963.20 ms. Allocated memory was 219.7 MB in the beginning and 134.7 MB in the end (delta: -84.9 MB). Free memory was 135.3 MB in the beginning and 91.7 MB in the end (delta: 43.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:59:49,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.55 ms. Allocated memory was 132.1 MB in the beginning and 197.1 MB in the end (delta: 65.0 MB). Free memory was 86.4 MB in the beginning and 160.9 MB in the end (delta: -74.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.18 ms. Allocated memory is still 197.1 MB. Free memory was 160.9 MB in the beginning and 156.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1849.84 ms. Allocated memory was 197.1 MB in the beginning and 219.7 MB in the end (delta: 22.5 MB). Free memory was 156.4 MB in the beginning and 135.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * Sifa took 622963.20 ms. Allocated memory was 219.7 MB in the beginning and 134.7 MB in the end (delta: -84.9 MB). Free memory was 135.3 MB in the beginning and 91.7 MB in the end (delta: 43.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 622912, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 342, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 221, TOOLS_POST_TIME[ms]: 29758, TOOLS_POST_CALL_APPLICATIONS: 99, TOOLS_POST_CALL_TIME[ms]: 250, TOOLS_POST_RETURN_APPLICATIONS: 92, TOOLS_POST_RETURN_TIME[ms]: 167, TOOLS_QUANTIFIERELIM_APPLICATIONS: 411, TOOLS_QUANTIFIERELIM_TIME[ms]: 30033, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29627, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 350, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 113, DOMAIN_JOIN_TIME[ms]: 582846, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 9145, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 65, DOMAIN_ISBOTTOM_TIME[ms]: 539, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 408202, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 408201, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 92, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34198, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34197, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 509, DAG_COMPRESSION_RETAINED_NODES: 279 - UnprovableResult [Line: 44]: 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 678#(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...