./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 406c0cc89d56bc86617076fb4c755244f0ec13e7 .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:26:51,027 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:26:51,028 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:26:51,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:26:51,034 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:26:51,035 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:26:51,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:26:51,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:26:51,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:26:51,037 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:26:51,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:26:51,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:26:51,038 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:26:51,039 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:26:51,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:26:51,040 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:26:51,040 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:26:51,041 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:26:51,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:26:51,042 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:26:51,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:26:51,043 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:26:51,045 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:26:51,045 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:26:51,045 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:26:51,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:26:51,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:26:51,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:26:51,046 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:26:51,047 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:26:51,047 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:26:51,047 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:26:51,047 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:26:51,048 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:26:51,048 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:26:51,048 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:26:51,049 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 04:26:51,056 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:26:51,056 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:26:51,056 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:26:51,056 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 04:26:51,057 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 04:26:51,057 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:26:51,057 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:26:51,058 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 04:26:51,058 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:26:51,058 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 04:26:51,058 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:26:51,059 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:26:51,059 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 406c0cc89d56bc86617076fb4c755244f0ec13e7 [2018-12-02 04:26:51,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:26:51,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:26:51,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:26:51,088 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:26:51,089 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:26:51,089 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2018-12-02 04:26:51,128 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/data/f166b7cd4/bec3b1e3b51c4c4eb50c40f0c821c8b1/FLAG838c859f4 [2018-12-02 04:26:51,549 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:26:51,549 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2018-12-02 04:26:51,555 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/data/f166b7cd4/bec3b1e3b51c4c4eb50c40f0c821c8b1/FLAG838c859f4 [2018-12-02 04:26:51,564 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/data/f166b7cd4/bec3b1e3b51c4c4eb50c40f0c821c8b1 [2018-12-02 04:26:51,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:26:51,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:26:51,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:26:51,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:26:51,570 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:26:51,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1493550d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51, skipping insertion in model container [2018-12-02 04:26:51,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:26:51,604 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:26:51,772 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:26:51,813 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:26:51,859 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:26:51,874 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:26:51,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51 WrapperNode [2018-12-02 04:26:51,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:26:51,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:26:51,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:26:51,875 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:26:51,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:26:51,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:26:51,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:26:51,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:26:51,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... [2018-12-02 04:26:51,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:26:51,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:26:51,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:26:51,924 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:26:51,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:26:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-02 04:26:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:26:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 04:26:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 04:26:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 04:26:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 04:26:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 04:26:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 04:26:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 04:26:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 04:26:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 04:26:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 04:26:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 04:26:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 04:26:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 04:26:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 04:26:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 04:26:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 04:26:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 04:26:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:26:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:26:52,392 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:26:52,392 INFO L280 CfgBuilder]: Removed 44 assue(true) statements. [2018-12-02 04:26:52,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:26:52 BoogieIcfgContainer [2018-12-02 04:26:52,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:26:52,393 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 04:26:52,393 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 04:26:52,402 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 04:26:52,402 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:26:52" (1/1) ... [2018-12-02 04:26:52,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:26:52,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2018-12-02 04:26:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2018-12-02 04:26:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 04:26:52,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:52,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2018-12-02 04:26:52,551 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2018-12-02 04:26:52,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 04:26:52,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2018-12-02 04:26:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-12-02 04:26:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 04:26:52,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2018-12-02 04:26:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2018-12-02 04:26:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 04:26:52,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:52,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2018-12-02 04:26:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2018-12-02 04:26:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 04:26:52,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:52,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:52,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:52,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2018-12-02 04:26:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2018-12-02 04:26:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 04:26:52,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:52,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2018-12-02 04:26:52,804 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2018-12-02 04:26:52,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 04:26:52,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 149 transitions. [2018-12-02 04:26:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2018-12-02 04:26:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 04:26:53,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 99 states and 162 transitions. [2018-12-02 04:26:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2018-12-02 04:26:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 04:26:53,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 170 transitions. [2018-12-02 04:26:53,452 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 170 transitions. [2018-12-02 04:26:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 04:26:53,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:26:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:26:53,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:26:53,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 107 states and 181 transitions. [2018-12-02 04:26:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 181 transitions. [2018-12-02 04:26:53,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 04:26:53,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:26:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:26:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:26:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:26:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:26:53,748 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-12-02 04:26:53,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:26:53 ImpRootNode [2018-12-02 04:26:53,802 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 04:26:53,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:26:53,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:26:53,803 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:26:53,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:26:52" (3/4) ... [2018-12-02 04:26:53,804 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 04:26:53,878 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f72f3ef2-e6ff-4194-b32c-080f6c2ca57b/bin-2019/ukojak/witness.graphml [2018-12-02 04:26:53,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:26:53,879 INFO L168 Benchmark]: Toolchain (without parser) took 2313.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.7 MB in the beginning and 958.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:26:53,880 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:26:53,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:26:53,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:26:53,881 INFO L168 Benchmark]: Boogie Preprocessor took 17.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:26:53,882 INFO L168 Benchmark]: RCFGBuilder took 469.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:26:53,882 INFO L168 Benchmark]: CodeCheck took 1409.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 969.0 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:26:53,882 INFO L168 Benchmark]: Witness Printer took 76.06 ms. Allocated memory is still 1.1 GB. Free memory was 969.0 MB in the beginning and 958.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-02 04:26:53,884 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 86 locations, 1 error locations. UNSAFE Result, 1.3s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23358 SDtfs, 5048 SDslu, 8856 SDs, 0 SdLazy, 7152 SolverSat, 2388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1877 GetRequests, 1816 SyntacticMatches, 9 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 12058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 853]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L559] int pumpRunning = 0; [L560] int systemActive = 1; [L896] int cleanupTimeShifts = 4; [L969] int retValue_acc ; [L970] int tmp ; [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) [L781] int splverifierCounter ; [L782] int tmp ; [L783] int tmp___0 ; [L784] int tmp___1 ; [L785] int tmp___2 ; [L788] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L790] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] COND TRUE splverifierCounter < 4 [L798] tmp = __VERIFIER_nondet_int() [L800] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L802] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 [L802] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L808] tmp___0 = __VERIFIER_nondet_int() [L810] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L818] tmp___2 = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp___2)) [L826] tmp___1 = __VERIFIER_nondet_int() [L828] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L837] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L573] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L673] int retValue_acc ; [L676] retValue_acc = pumpRunning [L677] return (retValue_acc); [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L853] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 469.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1409.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 969.0 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. * Witness Printer took 76.06 ms. Allocated memory is still 1.1 GB. Free memory was 969.0 MB in the beginning and 958.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...