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 IntervalDomain --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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:12:54,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:12:54,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:12:54,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:12:54,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:12:54,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:12:54,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:12:54,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:12:54,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:12:54,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:12:54,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:12:54,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:12:54,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:12:54,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:12:54,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:12:54,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:12:54,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:12:54,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:12:54,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:12:54,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:12:54,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:12:54,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:12:54,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:12:54,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:12:54,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:12:54,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:12:54,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:12:54,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:12:54,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:12:54,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:12:54,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:12:54,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:12:54,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:12:54,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:12:54,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:12:54,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:12:54,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:12:54,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:12:54,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:12:54,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:12:54,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:12:54,467 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 [2019-09-17 10:12:54,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:12:54,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:12:54,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:12:54,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:12:54,483 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:12:54,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:12:54,484 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:12:54,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:12:54,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:12:54,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:12:54,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:12:54,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:12:54,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:12:54,485 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:12:54,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:12:54,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:12:54,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:12:54,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:12:54,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:12:54,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:12:54,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:12:54,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:12:54,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:12:54,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:12:54,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:12:54,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:12:54,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:12:54,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:12:54,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 [2019-09-17 10:12:54,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:12:54,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:12:54,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:12:54,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:12:54,570 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:12:54,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2019-09-17 10:12:54,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97004849/2f5add38e26144f6b3391a6449689f0e/FLAG63b07871a [2019-09-17 10:12:55,133 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:12:55,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2019-09-17 10:12:55,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97004849/2f5add38e26144f6b3391a6449689f0e/FLAG63b07871a [2019-09-17 10:12:55,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97004849/2f5add38e26144f6b3391a6449689f0e [2019-09-17 10:12:55,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:12:55,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:12:55,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:12:55,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:12:55,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:12:55,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:12:55" (1/1) ... [2019-09-17 10:12:55,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:55, skipping insertion in model container [2019-09-17 10:12:55,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:12:55" (1/1) ... [2019-09-17 10:12:55,505 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:12:55,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:12:55,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:12:55,972 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:12:56,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:12:56,123 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:12:56,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56 WrapperNode [2019-09-17 10:12:56,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:12:56,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:12:56,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:12:56,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:12:56,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56" (1/1) ... [2019-09-17 10:12:56,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56" (1/1) ... [2019-09-17 10:12:56,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56" (1/1) ... [2019-09-17 10:12:56,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56" (1/1) ... [2019-09-17 10:12:56,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56" (1/1) ... [2019-09-17 10:12:56,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56" (1/1) ... [2019-09-17 10:12:56,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56" (1/1) ... [2019-09-17 10:12:56,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:12:56,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:12:56,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:12:56,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:12:56,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:56" (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 [2019-09-17 10:12:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:12:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:12:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:12:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:12:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:12:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:12:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:12:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:12:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:12:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:12:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:12:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:12:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:12:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:12:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:12:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:12:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:12:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:12:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:12:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:12:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:12:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:12:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:12:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:12:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:12:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:12:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:12:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:12:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:12:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:12:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:12:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:12:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:12:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:12:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:12:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:12:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:12:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:12:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:12:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:12:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:12:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:12:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:12:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:12:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:12:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:12:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:12:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:12:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:12:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:12:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:12:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:12:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:12:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:12:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:12:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:12:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:12:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:12:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:12:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:12:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:12:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:12:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:12:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:12:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:12:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:12:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:12:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:12:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:12:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:12:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:12:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:12:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:12:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:12:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:12:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:12:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:12:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:12:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:12:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:12:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:12:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:12:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:12:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:12:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:12:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:12:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:12:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:12:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:12:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:12:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:12:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:12:57,739 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:12:57,740 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:12:57,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:12:57 BoogieIcfgContainer [2019-09-17 10:12:57,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:12:57,742 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:12:57,742 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:12:57,743 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:12:57,744 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:12:57" (1/1) ... [2019-09-17 10:12:57,745 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-17 10:12:57,786 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:12:57,786 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:12:57,802 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:12:57,816 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:12:57,818 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:13:20,513 WARN L191 SmtUtils]: Spent 13.59 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:13:22,392 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:13:26,072 WARN L191 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:13:26,331 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:13:26,344 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-17 10:13:26,410 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-17 10:13:26,414 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-17 10:13:27,423 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:13:28,301 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:13:29,200 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:13:29,587 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:13:30,613 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-17 10:13:31,782 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:13:32,762 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:13:33,093 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:33,418 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:34,389 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-17 10:13:35,368 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:13:36,338 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:13:36,662 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:36,979 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:37,941 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-17 10:13:38,871 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-17 10:13:39,205 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:13:40,216 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-17 10:13:41,161 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:13:42,106 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:13:42,429 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:42,748 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:43,694 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-17 10:13:44,667 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:13:45,596 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:13:45,919 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:46,231 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:46,564 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:13:47,540 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-17 10:13:48,490 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:13:49,419 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:13:49,739 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:50,052 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:51,047 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-17 10:13:51,994 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:13:52,939 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:13:53,254 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:53,569 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:54,509 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-17 10:13:54,511 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:13:54,513 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-17 10:13:54,743 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:13:55,412 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-17 10:13:55,636 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:13:55,637 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 100 for LOIs [2019-09-17 10:13:55,643 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 100 for LOIs [2019-09-17 10:13:55,872 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:13:55,872 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:13:55,872 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:13:55,874 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 411#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0)) [2019-09-17 10:13:55,889 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:13:55,890 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:13:55,891 INFO L168 Benchmark]: Toolchain (without parser) took 60401.16 ms. Allocated memory was 131.1 MB in the beginning and 663.7 MB in the end (delta: 532.7 MB). Free memory was 84.4 MB in the beginning and 317.1 MB in the end (delta: -232.7 MB). Peak memory consumption was 300.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:55,892 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:13:55,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.86 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 84.2 MB in the beginning and 163.1 MB in the end (delta: -79.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:55,894 INFO L168 Benchmark]: Boogie Preprocessor took 98.86 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 159.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:55,895 INFO L168 Benchmark]: RCFGBuilder took 1517.28 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.3 MB in the beginning and 144.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:55,896 INFO L168 Benchmark]: Sifa took 58147.96 ms. Allocated memory was 219.2 MB in the beginning and 663.7 MB in the end (delta: 444.6 MB). Free memory was 144.7 MB in the beginning and 317.1 MB in the end (delta: -172.4 MB). Peak memory consumption was 272.2 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:55,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.86 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 84.2 MB in the beginning and 163.1 MB in the end (delta: -79.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.86 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 159.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1517.28 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.3 MB in the beginning and 144.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Sifa took 58147.96 ms. Allocated memory was 219.2 MB in the beginning and 663.7 MB in the end (delta: 444.6 MB). Free memory was 144.7 MB in the beginning and 317.1 MB in the end (delta: -172.4 MB). Peak memory consumption was 272.2 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]: 58088, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 264, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 171, TOOLS_POST_TIME[ms]: 28226, TOOLS_POST_CALL_APPLICATIONS: 78, TOOLS_POST_CALL_TIME[ms]: 167, TOOLS_POST_RETURN_APPLICATIONS: 71, TOOLS_POST_RETURN_TIME[ms]: 64, TOOLS_QUANTIFIERELIM_APPLICATIONS: 319, TOOLS_QUANTIFIERELIM_TIME[ms]: 28338, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28145, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 270, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 86, DOMAIN_JOIN_TIME[ms]: 29229, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 205, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 21429, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 21428, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 71, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28753, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28752, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 399, DAG_COMPRESSION_RETAINED_NODES: 217 - UnprovableResult [Line: 578]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 411#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...