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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:41:00,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:41:00,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:41:00,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:41:00,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:41:00,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:41:00,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:41:00,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:41:00,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:41:00,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:41:00,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:41:00,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:41:00,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:41:00,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:41:00,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:41:00,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:41:00,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:41:00,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:41:00,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:41:00,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:41:00,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:41:00,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:41:00,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:41:00,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:41:00,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:41:00,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:41:00,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:41:00,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:41:00,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:41:00,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:41:00,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:41:00,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:41:00,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:41:00,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:41:00,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:41:00,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:41:00,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:41:00,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:41:00,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:41:00,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:41:00,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:41:00,293 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 [2019-09-16 18:41:00,308 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:41:00,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:41:00,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:41:00,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:41:00,310 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:41:00,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:41:00,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:41:00,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:41:00,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:41:00,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:41:00,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:41:00,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:41:00,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:41:00,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:41:00,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:41:00,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:41:00,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:41:00,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:41:00,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:41:00,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:41:00,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:41:00,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:41:00,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:41:00,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:41:00,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:41:00,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:41:00,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:41:00,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:41:00,319 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_DDA [2019-09-16 18:41:00,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:41:00,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:41:00,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:41:00,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:41:00,366 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:41:00,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c [2019-09-16 18:41:00,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f70ebd7a/6be9080924fb433cbc266a3fda433484/FLAG7749cefa6 [2019-09-16 18:41:00,980 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:41:00,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c [2019-09-16 18:41:01,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f70ebd7a/6be9080924fb433cbc266a3fda433484/FLAG7749cefa6 [2019-09-16 18:41:01,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f70ebd7a/6be9080924fb433cbc266a3fda433484 [2019-09-16 18:41:01,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:41:01,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:41:01,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:41:01,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:41:01,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:41:01,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01, skipping insertion in model container [2019-09-16 18:41:01,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,270 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:41:01,320 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:41:01,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:41:01,769 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:41:01,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:41:01,906 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:41:01,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01 WrapperNode [2019-09-16 18:41:01,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:41:01,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:41:01,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:41:01,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:41:01,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01" (1/1) ... [2019-09-16 18:41:01,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:41:01,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:41:01,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:41:01,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:41:01,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:41:01" (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 [2019-09-16 18:41:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:41:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:41:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 18:41:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 18:41:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 18:41:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 18:41:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 18:41:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 18:41:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 18:41:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 18:41:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 18:41:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 18:41:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 18:41:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 18:41:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 18:41:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 18:41:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 18:41:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 18:41:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 18:41:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:41:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 18:41:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 18:41:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 18:41:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 18:41:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-16 18:41:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 18:41:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 18:41:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 18:41:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 18:41:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 18:41:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 18:41:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 18:41:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 18:41:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 18:41:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 18:41:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 18:41:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 18:41:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 18:41:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 18:41:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:41:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 18:41:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 18:41:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 18:41:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 18:41:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 18:41:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 18:41:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 18:41:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 18:41:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 18:41:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 18:41:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 18:41:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-16 18:41:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 18:41:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 18:41:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 18:41:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 18:41:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 18:41:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 18:41:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 18:41:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 18:41:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 18:41:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 18:41:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 18:41:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 18:41:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 18:41:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 18:41:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 18:41:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 18:41:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 18:41:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:41:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 18:41:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 18:41:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 18:41:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 18:41:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 18:41:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 18:41:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 18:41:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 18:41:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:41:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 18:41:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 18:41:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:41:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 18:41:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 18:41:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:41:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 18:41:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 18:41:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 18:41:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 18:41:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:41:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 18:41:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:41:03,486 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:41:03,487 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 18:41:03,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:41:03 BoogieIcfgContainer [2019-09-16 18:41:03,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:41:03,489 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:41:03,489 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:41:03,489 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:41:03,490 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:41:03" (1/1) ... [2019-09-16 18:41:03,491 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 [2019-09-16 18:41:03,522 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 18:41:03,522 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:41:03,530 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:41:03,538 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:41:03,540 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:41:24,433 WARN L191 SmtUtils]: Spent 12.68 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 18:41:26,115 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 18:41:29,799 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 18:41:31,492 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 18:41:33,088 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 18:41:33,102 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-16 18:41:33,162 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-16 18:41:33,167 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-16 18:41:44,685 WARN L191 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 460 DAG size of output: 457 [2019-09-16 18:41:50,202 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-16 18:42:01,369 WARN L191 SmtUtils]: Spent 11.17 s on a formula simplification. DAG size of input: 460 DAG size of output: 457 [2019-09-16 18:42:06,895 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-16 18:42:17,973 WARN L191 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 460 DAG size of output: 457 [2019-09-16 18:42:23,515 WARN L191 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-16 18:42:38,104 WARN L191 SmtUtils]: Spent 14.51 s on a formula simplification. DAG size of input: 465 DAG size of output: 462 [2019-09-16 18:42:38,643 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-16 18:42:53,112 WARN L191 SmtUtils]: Spent 14.47 s on a formula simplification. DAG size of input: 465 DAG size of output: 462 [2019-09-16 18:42:53,641 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-16 18:43:08,132 WARN L191 SmtUtils]: Spent 14.49 s on a formula simplification. DAG size of input: 465 DAG size of output: 462 [2019-09-16 18:43:08,657 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-16 18:43:08,920 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 74 [2019-09-16 18:43:09,263 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 74 [2019-09-16 18:43:09,609 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 74 [2019-09-16 18:43:10,944 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-16 18:43:11,067 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-16 18:43:11,422 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-16 18:43:11,543 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-16 18:43:12,206 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2019-09-16 18:43:12,528 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-16 18:43:13,244 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2019-09-16 18:43:13,582 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-16 18:43:13,948 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 85 [2019-09-16 18:43:14,053 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-16 18:43:14,427 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-16 18:43:14,546 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-16 18:43:14,906 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-16 18:43:15,027 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-16 18:43:15,688 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2019-09-16 18:43:16,015 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-16 18:43:16,738 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2019-09-16 18:43:17,110 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-16 18:43:17,376 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 85 [2019-09-16 18:43:17,864 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-16 18:43:17,986 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-16 18:43:18,340 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-16 18:43:18,462 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-16 18:43:19,125 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2019-09-16 18:43:19,449 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-16 18:43:20,176 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2019-09-16 18:43:20,537 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-16 18:43:20,541 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-16 18:43:20,545 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-16 18:43:20,799 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-16 18:43:21,362 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-16 18:43:21,596 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-16 18:43:22,062 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-16 18:43:22,294 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-16 18:43:22,296 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 71 for LOIs [2019-09-16 18:43:22,300 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 83 for LOIs [2019-09-16 18:43:22,505 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-09-16 18:43:22,605 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 18:43:22,606 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 18:43:22,608 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 393#(and (= |#t~string50.offset| 0) (= |#t~string61.offset| 0) (= |#t~string49.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string47.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (= |#t~string58.offset| 0) (= ~head~0.base 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string73.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (= 0 ~waterLevel~0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-09-16 18:43:22,625 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 18:43:22,625 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 18:43:22,626 INFO L168 Benchmark]: Toolchain (without parser) took 141372.48 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 85.6 MB in the beginning and 142.4 MB in the end (delta: -56.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-09-16 18:43:22,627 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 18:43:22,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.16 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 85.4 MB in the beginning and 164.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-09-16 18:43:22,629 INFO L168 Benchmark]: Boogie Preprocessor took 81.04 ms. Allocated memory is still 198.7 MB. Free memory was 164.7 MB in the beginning and 160.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-16 18:43:22,630 INFO L168 Benchmark]: RCFGBuilder took 1499.69 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 160.4 MB in the beginning and 145.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-09-16 18:43:22,631 INFO L168 Benchmark]: Sifa took 139135.82 ms. Allocated memory was 222.8 MB in the beginning and 203.9 MB in the end (delta: -18.9 MB). Free memory was 145.5 MB in the beginning and 142.4 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:43:22,635 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 139.5 MB. Free memory was 105.5 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.16 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 85.4 MB in the beginning and 164.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.04 ms. Allocated memory is still 198.7 MB. Free memory was 164.7 MB in the beginning and 160.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1499.69 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 160.4 MB in the beginning and 145.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. * Sifa took 139135.82 ms. Allocated memory was 222.8 MB in the beginning and 203.9 MB in the end (delta: -18.9 MB). Free memory was 145.5 MB in the beginning and 142.4 MB in the end (delta: 3.1 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]: 139086, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 198, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 129, TOOLS_POST_TIME[ms]: 26262, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 98, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 241, TOOLS_QUANTIFIERELIM_TIME[ms]: 26329, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26194, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 201, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 67, DOMAIN_JOIN_TIME[ms]: 112256, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 288, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9996, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9995, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30479, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30479, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 481, DAG_COMPRESSION_RETAINED_NODES: 194 - UnprovableResult [Line: 934]: 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 393#(and (= |#t~string50.offset| 0) (= |#t~string61.offset| 0) (= |#t~string49.offset| 0) (= |#t~string56.offset| 0) (= |#t~string7.offset| 0) (= |#t~string47.offset| 0) (= |#t~string15.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (= |#t~string58.offset| 0) (= ~head~0.base 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string9.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string73.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string13.offset| 0) (= |#t~string60.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (<= ~pumpRunning~0 2147483647) (= 0 ~waterLevel~0) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0) (= |#t~string17.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...