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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:51:31,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:51:31,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:51:31,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:51:31,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:51:31,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:51:31,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:51:31,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:51:31,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:51:31,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:51:31,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:51:31,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:51:31,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:51:31,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:51:31,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:51:31,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:51:31,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:51:31,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:51:31,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:51:31,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:51:31,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:51:31,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:51:31,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:51:31,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:51:31,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:51:31,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:51:31,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:51:31,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:51:31,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:51:31,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:51:31,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:51:31,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:51:31,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:51:31,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:51:31,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:51:31,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:51:31,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:51:31,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:51:31,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:51:31,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:51:31,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:51:31,233 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 [2019-10-14 02:51:31,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:51:31,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:51:31,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:51:31,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:51:31,260 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:51:31,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:51:31,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:51:31,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:51:31,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:51:31,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:51:31,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:51:31,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:51:31,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:51:31,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:51:31,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:51:31,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:51:31,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:51:31,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:51:31,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:51:31,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:51:31,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:51:31,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:51:31,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:51:31,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:51:31,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:51:31,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:51:31,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:51:31,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:51:31,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 02:51:31,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:51:31,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:51:31,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:51:31,566 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:51:31,566 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:51:31,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-10-14 02:51:31,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f55f5d7a/5de4b7627924473ab0ed6e534e80d246/FLAGcb41ab4ef [2019-10-14 02:51:32,148 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:51:32,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-10-14 02:51:32,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f55f5d7a/5de4b7627924473ab0ed6e534e80d246/FLAGcb41ab4ef [2019-10-14 02:51:32,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f55f5d7a/5de4b7627924473ab0ed6e534e80d246 [2019-10-14 02:51:32,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:51:32,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:51:32,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:51:32,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:51:32,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:51:32,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:51:32" (1/1) ... [2019-10-14 02:51:32,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e33a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:32, skipping insertion in model container [2019-10-14 02:51:32,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:51:32" (1/1) ... [2019-10-14 02:51:32,499 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:51:32,540 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:51:33,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:51:33,049 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:51:33,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:51:33,245 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:51:33,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33 WrapperNode [2019-10-14 02:51:33,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:51:33,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:51:33,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:51:33,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:51:33,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33" (1/1) ... [2019-10-14 02:51:33,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33" (1/1) ... [2019-10-14 02:51:33,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33" (1/1) ... [2019-10-14 02:51:33,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33" (1/1) ... [2019-10-14 02:51:33,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33" (1/1) ... [2019-10-14 02:51:33,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33" (1/1) ... [2019-10-14 02:51:33,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33" (1/1) ... [2019-10-14 02:51:33,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:51:33,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:51:33,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:51:33,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:51:33,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:33" (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 [2019-10-14 02:51:33,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:51:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:51:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:51:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:51:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:51:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:51:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:51:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:51:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:51:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:51:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:51:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:51:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:51:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:51:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:51:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-14 02:51:33,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 02:51:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:51:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:51:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:51:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:51:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-14 02:51:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:51:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:51:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:51:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 02:51:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:51:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 02:51:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:51:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:51:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:51:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:51:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:51:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-14 02:51:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 02:51:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:51:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:51:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:51:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:51:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:51:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:51:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:51:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:51:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:51:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:51:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:51:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:51:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:51:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:51:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:51:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:51:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:51:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:51:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:51:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:51:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:51:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:51:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:51:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:51:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:51:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:51:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:51:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:51:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:51:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:51:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:51:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:51:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-14 02:51:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 02:51:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:51:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:51:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:51:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:51:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:51:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:51:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-14 02:51:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:51:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:51:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:51:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:51:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:51:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:51:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-14 02:51:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-14 02:51:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 02:51:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 02:51:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:51:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:51:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:51:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:51:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:51:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:51:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:51:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:51:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:51:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:51:35,059 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:51:35,059 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:51:35,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:35 BoogieIcfgContainer [2019-10-14 02:51:35,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:51:35,062 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:51:35,062 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:51:35,062 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:51:35,063 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:35" (1/1) ... [2019-10-14 02:51:35,064 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:51:35,090 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:51:35,090 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:51:35,099 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:51:35,108 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:51:35,110 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:51:43,757 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-14 02:51:45,606 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:51:45,740 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:51:45,865 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:51:45,982 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:51:46,266 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-14 02:51:46,288 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-14 02:51:46,361 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-14 02:51:46,367 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-14 02:51:46,704 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:51:46,922 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:51:47,562 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:51:48,108 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:51:48,703 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2019-10-14 02:51:49,546 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-10-14 02:51:49,719 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2019-10-14 02:51:51,737 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:51:51,739 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 142 for LOIs [2019-10-14 02:51:52,044 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 131 for LOIs [2019-10-14 02:51:52,056 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 145 for LOIs [2019-10-14 02:51:52,144 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:51:52,145 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:51:52,147 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 708#(and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= ~waterLevel~0 2) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (= 2 ~waterLevel~0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (= 0 ~methaneLevelCritical~0) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string44.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string36.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (<= 2 ~waterLevel~0) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)) [2019-10-14 02:51:52,162 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:51:52,162 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:51:52,164 INFO L168 Benchmark]: Toolchain (without parser) took 19682.61 ms. Allocated memory was 143.7 MB in the beginning and 565.7 MB in the end (delta: 422.1 MB). Free memory was 99.4 MB in the beginning and 117.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 403.8 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:52,165 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 02:51:52,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.47 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 167.3 MB in the end (delta: -68.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:52,167 INFO L168 Benchmark]: Boogie Preprocessor took 124.34 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:52,169 INFO L168 Benchmark]: RCFGBuilder took 1690.09 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 163.2 MB in the beginning and 140.4 MB in the end (delta: 22.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:52,170 INFO L168 Benchmark]: Sifa took 17100.64 ms. Allocated memory was 231.7 MB in the beginning and 565.7 MB in the end (delta: 334.0 MB). Free memory was 139.0 MB in the beginning and 117.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 355.3 MB. Max. memory is 7.1 GB. [2019-10-14 02:51:52,174 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.47 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 167.3 MB in the end (delta: -68.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.34 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1690.09 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 163.2 MB in the beginning and 140.4 MB in the end (delta: 22.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * Sifa took 17100.64 ms. Allocated memory was 231.7 MB in the beginning and 565.7 MB in the end (delta: 334.0 MB). Free memory was 139.0 MB in the beginning and 117.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 355.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 17057, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 225, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME[ms]: 10645, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 179, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 88, TOOLS_QUANTIFIERELIM_APPLICATIONS: 269, TOOLS_QUANTIFIERELIM_TIME[ms]: 10810, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10568, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 229, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 5443, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 431, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 111, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3107, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3107, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11372, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11371, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 408, DAG_COMPRESSION_RETAINED_NODES: 218 - UnprovableResult [Line: 595]: 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 708#(and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= ~waterLevel~0 2) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (= 2 ~waterLevel~0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (= 0 ~methaneLevelCritical~0) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string44.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string36.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (<= 2 ~waterLevel~0) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...