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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:47:42,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:47:42,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:47:42,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:47:42,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:47:42,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:47:42,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:47:42,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:47:42,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:47:42,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:47:42,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:47:42,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:47:42,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:47:42,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:47:42,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:47:42,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:47:42,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:47:42,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:47:42,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:47:42,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:47:42,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:47:42,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:47:42,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:47:42,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:47:42,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:47:42,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:47:42,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:47:42,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:47:42,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:47:42,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:47:42,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:47:42,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:47:42,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:47:42,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:47:42,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:47:42,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:47:42,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:47:42,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:47:42,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:47:42,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:47:42,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:47:42,562 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 02:47:42,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:47:42,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:47:42,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:47:42,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:47:42,577 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:47:42,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:47:42,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:47:42,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:47:42,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:47:42,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:47:42,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:47:42,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:47:42,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:47:42,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:47:42,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:47:42,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:47:42,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:47:42,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:47:42,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:47:42,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:47:42,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:47:42,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:47:42,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:47:42,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:47:42,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:47:42,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:47:42,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:47:42,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:47:42,582 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 02:47:42,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:47:42,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:47:42,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:47:42,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:47:42,898 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:47:42,898 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2019-10-14 02:47:42,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285b46b40/dcc2de3746e64336855e41059a0c9f67/FLAGffbd49c19 [2019-10-14 02:47:43,493 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:47:43,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2019-10-14 02:47:43,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285b46b40/dcc2de3746e64336855e41059a0c9f67/FLAGffbd49c19 [2019-10-14 02:47:43,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285b46b40/dcc2de3746e64336855e41059a0c9f67 [2019-10-14 02:47:43,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:47:43,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:47:43,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:47:43,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:47:43,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:47:43,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:47:43" (1/1) ... [2019-10-14 02:47:43,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceb8032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:43, skipping insertion in model container [2019-10-14 02:47:43,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:47:43" (1/1) ... [2019-10-14 02:47:43,799 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:47:43,858 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:47:44,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:47:44,306 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:47:44,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:47:44,471 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:47:44,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44 WrapperNode [2019-10-14 02:47:44,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:47:44,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:47:44,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:47:44,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:47:44,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44" (1/1) ... [2019-10-14 02:47:44,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44" (1/1) ... [2019-10-14 02:47:44,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44" (1/1) ... [2019-10-14 02:47:44,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44" (1/1) ... [2019-10-14 02:47:44,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44" (1/1) ... [2019-10-14 02:47:44,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44" (1/1) ... [2019-10-14 02:47:44,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44" (1/1) ... [2019-10-14 02:47:44,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:47:44,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:47:44,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:47:44,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:47:44,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:47:44" (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 02:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:47:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:47:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:47:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:47:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:47:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:47:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:47:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-14 02:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 02:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-14 02:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 02:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:47:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:47:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:47:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:47:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:47:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:47:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:47:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:47:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:47:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:47:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:47:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:47:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:47:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:47:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:47:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:47:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:47:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:47:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:47:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:47:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:47:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:47:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:47:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:47:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:47:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-14 02:47:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:47:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:47:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 02:47:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:47:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 02:47:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:47:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-14 02:47:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:47:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:47:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:47:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:47:46,237 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:47:46,237 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:47:46,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:47:46 BoogieIcfgContainer [2019-10-14 02:47:46,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:47:46,240 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:47:46,240 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:47:46,241 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:47:46,242 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:47:46" (1/1) ... [2019-10-14 02:47:46,243 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 02:47:46,273 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:47:46,274 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:47:46,286 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:47:46,298 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:47:46,299 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:47:56,491 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-14 02:47:58,489 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:47:58,634 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:47:58,773 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:47:58,893 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:47:59,181 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-14 02:47:59,200 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-14 02:47:59,269 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-14 02:47:59,277 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-14 02:47:59,513 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:47:59,688 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:48:00,357 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:48:00,907 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:48:01,309 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-14 02:48:01,420 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-14 02:48:01,578 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-10-14 02:48:01,706 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 191 [2019-10-14 02:48:02,760 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-10-14 02:48:03,730 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-14 02:48:05,445 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-10-14 02:48:06,430 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:48:06,433 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-14 02:48:06,690 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 130 for LOIs [2019-10-14 02:48:06,698 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-14 02:48:06,746 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:48:06,746 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:48:06,748 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 683#(and (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (= |#t~string2.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string8.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string59.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= 0 ~systemActive~0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)) [2019-10-14 02:48:06,763 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:48:06,763 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:48:06,764 INFO L168 Benchmark]: Toolchain (without parser) took 22982.81 ms. Allocated memory was 137.9 MB in the beginning and 645.4 MB in the end (delta: 507.5 MB). Free memory was 101.8 MB in the beginning and 415.3 MB in the end (delta: -313.5 MB). Peak memory consumption was 194.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:06,765 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 02:48:06,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.33 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 169.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:06,768 INFO L168 Benchmark]: Boogie Preprocessor took 102.62 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:06,769 INFO L168 Benchmark]: RCFGBuilder took 1663.94 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 165.5 MB in the beginning and 156.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:06,770 INFO L168 Benchmark]: Sifa took 20523.10 ms. Allocated memory was 232.8 MB in the beginning and 645.4 MB in the end (delta: 412.6 MB). Free memory was 156.0 MB in the beginning and 415.3 MB in the end (delta: -259.3 MB). Peak memory consumption was 153.4 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:06,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.33 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 169.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.62 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1663.94 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 165.5 MB in the beginning and 156.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * Sifa took 20523.10 ms. Allocated memory was 232.8 MB in the beginning and 645.4 MB in the end (delta: 412.6 MB). Free memory was 156.0 MB in the beginning and 415.3 MB in the end (delta: -259.3 MB). Peak memory consumption was 153.4 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]: 20474, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 211, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 12349, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 152, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 80, TOOLS_QUANTIFIERELIM_APPLICATIONS: 246, TOOLS_QUANTIFIERELIM_TIME[ms]: 12475, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12258, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 215, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 7063, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 485, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME[ms]: 177, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4216, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4215, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12958, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12957, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 391, DAG_COMPRESSION_RETAINED_NODES: 206 - UnprovableResult [Line: 295]: 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 683#(and (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (= |#t~string2.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string8.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string59.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= 0 ~systemActive~0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 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...