./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2592b880c905533820d8c0b600fce539abba3733 ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:51:48,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:51:48,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:51:48,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:51:48,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:51:48,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:51:48,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:51:48,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:51:48,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:51:48,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:51:48,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:51:48,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:51:48,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:51:48,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:51:48,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:51:48,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:51:48,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:51:48,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:51:48,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:51:48,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:51:48,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:51:48,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:51:48,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:51:48,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:51:48,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:51:48,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:51:48,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:51:48,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:51:48,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:51:48,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:51:48,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:51:48,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:51:48,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:51:48,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:51:48,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:51:48,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:51:48,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:51:48,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:51:48,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:51:48,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:51:48,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:51:48,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:51:48,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:51:48,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:51:48,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:51:48,325 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:51:48,326 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:51:48,326 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:51:48,326 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:51:48,326 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:51:48,326 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:51:48,327 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:51:48,327 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:51:48,327 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:51:48,328 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:51:48,328 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:51:48,329 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:51:48,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:51:48,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:51:48,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:51:48,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:51:48,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:51:48,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:51:48,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:51:48,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:51:48,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:51:48,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:51:48,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:51:48,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:51:48,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:51:48,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:51:48,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:51:48,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:51:48,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:51:48,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:51:48,332 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:51:48,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:51:48,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:51:48,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:51:48,333 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan 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 -> Taipan 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 -> 2592b880c905533820d8c0b600fce539abba3733 [2019-11-26 02:51:48,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:51:48,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:51:48,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:51:48,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:51:48,481 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:51:48,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2019-11-26 02:51:48,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/data/e5c0fc3e8/b45a1f091d274ea381733fcd93269939/FLAG4208c29c9 [2019-11-26 02:51:49,012 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:51:49,013 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2019-11-26 02:51:49,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/data/e5c0fc3e8/b45a1f091d274ea381733fcd93269939/FLAG4208c29c9 [2019-11-26 02:51:49,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/data/e5c0fc3e8/b45a1f091d274ea381733fcd93269939 [2019-11-26 02:51:49,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:51:49,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:51:49,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:49,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:51:49,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:51:49,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43664afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49, skipping insertion in model container [2019-11-26 02:51:49,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:51:49,097 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:51:49,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:51:49,532 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:51:49,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:51:49,668 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:51:49,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49 WrapperNode [2019-11-26 02:51:49,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:49,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:51:49,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:51:49,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:51:49,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:51:49,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:51:49,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:51:49,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:51:49,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... [2019-11-26 02:51:49,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:51:49,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:51:49,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:51:49,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:51:49,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/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 [2019-11-26 02:51:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:51:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:51:49,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:51:49,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:51:51,549 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:51:51,550 INFO L284 CfgBuilder]: Removed 116 assume(true) statements. [2019-11-26 02:51:51,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:51 BoogieIcfgContainer [2019-11-26 02:51:51,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:51:51,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:51:51,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:51:51,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:51:51,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:51:49" (1/3) ... [2019-11-26 02:51:51,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11008ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:51:51, skipping insertion in model container [2019-11-26 02:51:51,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:49" (2/3) ... [2019-11-26 02:51:51,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11008ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:51:51, skipping insertion in model container [2019-11-26 02:51:51,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:51" (3/3) ... [2019-11-26 02:51:51,568 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2019-11-26 02:51:51,582 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:51:51,590 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:51:51,603 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:51:51,636 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:51:51,637 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:51:51,637 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:51:51,638 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:51:51,638 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:51:51,639 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:51:51,639 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:51:51,639 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:51:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:51:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:51:51,665 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:51:51,666 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:51:51,666 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:51:51,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:51:51,673 INFO L82 PathProgramCache]: Analyzing trace with hash 166597171, now seen corresponding path program 1 times [2019-11-26 02:51:51,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:51:51,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100000064] [2019-11-26 02:51:51,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:51:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:52,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100000064] [2019-11-26 02:51:52,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:51:52,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-26 02:51:52,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128605874] [2019-11-26 02:51:52,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-26 02:51:52,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:51:52,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-26 02:51:52,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:51:52,144 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 5 states. [2019-11-26 02:51:52,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:51:52,370 INFO L93 Difference]: Finished difference Result 65 states and 98 transitions. [2019-11-26 02:51:52,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:51:52,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-26 02:51:52,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:51:52,381 INFO L225 Difference]: With dead ends: 65 [2019-11-26 02:51:52,382 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:51:52,390 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:51:52,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:51:52,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:51:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:51:52,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:51:52,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-26 02:51:52,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:51:52,423 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:51:52,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-26 02:51:52,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:51:52,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:51:52,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:51:52,553 INFO L447 ceAbstractionStarter]: At program point L960(lines 909 961) the Hoare annotation is: true [2019-11-26 02:51:52,553 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2019-11-26 02:51:52,553 INFO L447 ceAbstractionStarter]: At program point L911(lines 910 959) the Hoare annotation is: true [2019-11-26 02:51:52,553 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:51:52,554 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 179) no Hoare annotation was computed. [2019-11-26 02:51:52,554 INFO L444 ceAbstractionStarter]: For program point L169-2(lines 169 179) no Hoare annotation was computed. [2019-11-26 02:51:52,554 INFO L444 ceAbstractionStarter]: For program point L169-4(lines 169 179) no Hoare annotation was computed. [2019-11-26 02:51:52,554 INFO L440 ceAbstractionStarter]: At program point L203(lines 203 207) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,554 INFO L444 ceAbstractionStarter]: For program point L170(lines 170 176) no Hoare annotation was computed. [2019-11-26 02:51:52,554 INFO L444 ceAbstractionStarter]: For program point L170-2(lines 170 176) no Hoare annotation was computed. [2019-11-26 02:51:52,555 INFO L444 ceAbstractionStarter]: For program point L170-4(lines 170 176) no Hoare annotation was computed. [2019-11-26 02:51:52,555 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:51:52,555 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2019-11-26 02:51:52,555 INFO L440 ceAbstractionStarter]: At program point L276(lines 276 283) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,555 INFO L440 ceAbstractionStarter]: At program point L276-1(lines 276 283) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,556 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2019-11-26 02:51:52,556 INFO L440 ceAbstractionStarter]: At program point L165(lines 165 182) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,556 INFO L447 ceAbstractionStarter]: At program point L165-1(lines 1 967) the Hoare annotation is: true [2019-11-26 02:51:52,556 INFO L440 ceAbstractionStarter]: At program point L165-2(lines 165 182) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,556 INFO L440 ceAbstractionStarter]: At program point L165-3(lines 1 967) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,557 INFO L440 ceAbstractionStarter]: At program point L165-4(lines 165 182) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,557 INFO L440 ceAbstractionStarter]: At program point L165-5(lines 1 967) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,557 INFO L440 ceAbstractionStarter]: At program point L199-2(lines 199 213) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) [2019-11-26 02:51:52,557 INFO L444 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2019-11-26 02:51:52,558 INFO L444 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-11-26 02:51:52,558 INFO L444 ceAbstractionStarter]: For program point L695-2(line 695) no Hoare annotation was computed. [2019-11-26 02:51:52,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:51:52 BoogieIcfgContainer [2019-11-26 02:51:52,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:51:52,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:51:52,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:51:52,586 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:51:52,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:51" (3/4) ... [2019-11-26 02:51:52,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:51:52,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2019-11-26 02:51:52,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2019-11-26 02:51:52,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 02:51:52,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:51:52,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:51:52,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:51:52,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:51:52,730 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0185078d-60a8-4d30-a292-9fde470720f4/bin/utaipan/witness.graphml [2019-11-26 02:51:52,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:51:52,734 INFO L168 Benchmark]: Toolchain (without parser) took 3690.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 944.7 MB in the beginning and 915.4 MB in the end (delta: 29.3 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:52,734 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:51:52,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:52,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:52,735 INFO L168 Benchmark]: Boogie Preprocessor took 43.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:51:52,736 INFO L168 Benchmark]: RCFGBuilder took 1767.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 146.9 MB). Peak memory consumption was 146.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:52,737 INFO L168 Benchmark]: TraceAbstraction took 1031.60 ms. Allocated memory is still 1.2 GB. Free memory was 979.9 MB in the beginning and 926.2 MB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:52,741 INFO L168 Benchmark]: Witness Printer took 145.74 ms. Allocated memory is still 1.2 GB. Free memory was 926.2 MB in the beginning and 915.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:52,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 626.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1767.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 146.9 MB). Peak memory consumption was 146.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1031.60 ms. Allocated memory is still 1.2 GB. Free memory was 979.9 MB in the beginning and 926.2 MB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * Witness Printer took 145.74 ms. Allocated memory is still 1.2 GB. Free memory was 926.2 MB in the beginning and 915.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 695]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 695]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == switchedOnBeforeTS || !(switchedOnBeforeTS == 0) - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 34 SDtfs, 44 SDslu, 22 SDs, 0 SdLazy, 38 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 43 NumberOfFragments, 76 HoareAnnotationTreeSize, 13 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...