./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested5_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested5_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/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 58c483ef37358c272383ba8c3b69f22948f7d8e5 ........................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:48:46,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:48:46,216 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:48:46,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:48:46,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:48:46,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:48:46,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:48:46,230 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:48:46,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:48:46,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:48:46,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:48:46,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:48:46,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:48:46,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:48:46,236 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:48:46,237 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:48:46,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:48:46,239 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:48:46,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:48:46,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:48:46,243 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:48:46,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:48:46,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:48:46,246 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:48:46,246 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:48:46,247 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:48:46,248 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:48:46,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:48:46,249 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:48:46,251 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:48:46,251 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:48:46,252 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:48:46,252 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:48:46,252 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:48:46,253 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:48:46,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:48:46,255 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:48:46,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:48:46,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:48:46,267 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:48:46,268 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:48:46,268 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:48:46,268 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:48:46,269 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:48:46,269 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:48:46,269 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:48:46,269 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:48:46,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:48:46,269 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:48:46,270 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:48:46,271 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:48:46,271 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:48:46,271 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:48:46,271 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:48:46,271 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:48:46,272 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:48:46,272 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:48:46,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:48:46,273 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:48:46,273 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:48:46,274 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:48:46,274 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:48:46,274 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:48:46,274 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:48:46,274 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:48:46,274 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:48:46,275 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_5b917e95-5aca-47ac-992a-e6e5af367362/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 -> 58c483ef37358c272383ba8c3b69f22948f7d8e5 [2018-11-23 04:48:46,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:48:46,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:48:46,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:48:46,316 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:48:46,316 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:48:46,317 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/../../sv-benchmarks/c/loops-crafted-1/nested5_true-unreach-call.c [2018-11-23 04:48:46,358 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/data/ae17bb98e/e106951f2aca4fc69899b709ed83e65a/FLAGae49709ac [2018-11-23 04:48:46,693 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:48:46,693 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/sv-benchmarks/c/loops-crafted-1/nested5_true-unreach-call.c [2018-11-23 04:48:46,698 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/data/ae17bb98e/e106951f2aca4fc69899b709ed83e65a/FLAGae49709ac [2018-11-23 04:48:47,128 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/data/ae17bb98e/e106951f2aca4fc69899b709ed83e65a [2018-11-23 04:48:47,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:48:47,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:48:47,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:48:47,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:48:47,136 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:48:47,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47, skipping insertion in model container [2018-11-23 04:48:47,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:48:47,160 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:48:47,286 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:48:47,289 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:48:47,301 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:48:47,314 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:48:47,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47 WrapperNode [2018-11-23 04:48:47,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:48:47,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:48:47,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:48:47,315 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:48:47,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:48:47,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:48:47,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:48:47,342 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:48:47,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:48:47,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:48:47,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:48:47,360 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:48:47,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/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 [2018-11-23 04:48:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:48:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:48:47,710 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:48:47,711 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-11-23 04:48:47,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:48:47 BoogieIcfgContainer [2018-11-23 04:48:47,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:48:47,712 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:48:47,712 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:48:47,722 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:48:47,722 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:48:47" (1/1) ... [2018-11-23 04:48:47,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:48:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-11-23 04:48:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-11-23 04:48:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 04:48:47,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-11-23 04:48:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-11-23 04:48:47,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 04:48:47,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:48,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-11-23 04:48:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-11-23 04:48:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 04:48:48,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:48,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-11-23 04:48:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-11-23 04:48:48,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 04:48:48,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-23 04:48:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-23 04:48:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 04:48:48,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-23 04:48:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-23 04:48:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 04:48:48,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:48,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-23 04:48:48,739 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-23 04:48:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 04:48:48,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-11-23 04:48:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-11-23 04:48:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 04:48:48,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:49,029 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-11-23 04:48:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-23 04:48:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 04:48:49,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-23 04:48:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-23 04:48:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 04:48:49,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:48:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:48:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-23 04:48:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-23 04:48:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 04:48:49,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:48:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:48:59,785 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (div c_ULTIMATE.start_main_~v~0 4))) (and (or (<= c_ULTIMATE.start_main_~v~0 10) (<= .cse0 2)) (let ((.cse14 (* 4 .cse0))) (let ((.cse19 (* 4294967296 (div c_ULTIMATE.start_main_~v~0 4294967296))) (.cse2 (= c_ULTIMATE.start_main_~v~0 .cse14))) (let ((.cse18 (* (- 4) .cse0)) (.cse7 (not .cse2)) (.cse8 (< c_ULTIMATE.start_main_~v~0 .cse19))) (let ((.cse4 (and .cse7 .cse8)) (.cse3 (<= .cse19 c_ULTIMATE.start_main_~v~0)) (.cse5 (div (+ c_ULTIMATE.start_main_~v~0 .cse18) 4294967296)) (.cse1 (div (+ c_ULTIMATE.start_main_~v~0 .cse18 (- 4)) 4294967296))) (or (< 2 .cse0) (and (or (< 0 .cse1) .cse2 .cse3) (or .cse4 (< 0 .cse5))) (let ((.cse15 (* 4294967296 .cse1)) (.cse16 (* 4294967296 .cse5))) (let ((.cse10 (= (+ .cse16 .cse14) c_ULTIMATE.start_main_~v~0)) (.cse6 (= c_ULTIMATE.start_main_~v~0 (+ .cse14 .cse15 4)))) (let ((.cse11 (or .cse2 (not .cse6) .cse3)) (.cse17 (or .cse4 (not .cse10)))) (and (let ((.cse9 (or .cse2 .cse3))) (or (and .cse6 .cse7 .cse8) (and .cse9 .cse10) (and .cse11 (let ((.cse12 (= (+ .cse16 .cse14 4294967296) c_ULTIMATE.start_main_~v~0)) (.cse13 (= (+ .cse14 .cse15 4294967300) c_ULTIMATE.start_main_~v~0))) (or (and (or .cse4 (not .cse12)) (or (not .cse13) .cse2 .cse3)) (and .cse9 .cse12) (and .cse13 .cse7 .cse8))) .cse17))) (or (and .cse11 .cse17) (<= 10 c_ULTIMATE.start_main_~v~0))))))))))))) is different from false [2018-11-23 04:48:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2018-11-23 04:49:09,947 WARN L854 $PredicateComparison]: unable to prove that (not (let ((.cse0 (div c_ULTIMATE.start_main_~v~0 4))) (and (or (<= c_ULTIMATE.start_main_~v~0 10) (<= .cse0 2)) (let ((.cse14 (* 4 .cse0))) (let ((.cse19 (* 4294967296 (div c_ULTIMATE.start_main_~v~0 4294967296))) (.cse2 (= c_ULTIMATE.start_main_~v~0 .cse14))) (let ((.cse18 (* (- 4) .cse0)) (.cse7 (not .cse2)) (.cse8 (< c_ULTIMATE.start_main_~v~0 .cse19))) (let ((.cse4 (and .cse7 .cse8)) (.cse3 (<= .cse19 c_ULTIMATE.start_main_~v~0)) (.cse5 (div (+ c_ULTIMATE.start_main_~v~0 .cse18) 4294967296)) (.cse1 (div (+ c_ULTIMATE.start_main_~v~0 .cse18 (- 4)) 4294967296))) (or (< 2 .cse0) (and (or (< 0 .cse1) .cse2 .cse3) (or .cse4 (< 0 .cse5))) (let ((.cse15 (* 4294967296 .cse1)) (.cse16 (* 4294967296 .cse5))) (let ((.cse10 (= (+ .cse16 .cse14) c_ULTIMATE.start_main_~v~0)) (.cse6 (= c_ULTIMATE.start_main_~v~0 (+ .cse14 .cse15 4)))) (let ((.cse11 (or .cse2 (not .cse6) .cse3)) (.cse17 (or .cse4 (not .cse10)))) (and (let ((.cse9 (or .cse2 .cse3))) (or (and .cse6 .cse7 .cse8) (and .cse9 .cse10) (and .cse11 (let ((.cse12 (= (+ .cse16 .cse14 4294967296) c_ULTIMATE.start_main_~v~0)) (.cse13 (= (+ .cse14 .cse15 4294967300) c_ULTIMATE.start_main_~v~0))) (or (and (or .cse4 (not .cse12)) (or (not .cse13) .cse2 .cse3)) (and .cse9 .cse12) (and .cse13 .cse7 .cse8))) .cse17))) (or (and .cse11 .cse17) (<= 10 c_ULTIMATE.start_main_~v~0)))))))))))))) is different from true [2018-11-23 04:49:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:49:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-23 04:49:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-23 04:49:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 04:49:10,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:49:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:49:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:49:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:49:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-11-23 04:49:10,514 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-11-23 04:49:10,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:49:10,514 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-11-23 04:49:10,521 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 04:49:10,556 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:49:10,558 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:49:10,558 INFO L579 CodeCheckObserver]: Invariant with dag size 47 [2018-11-23 04:49:10,565 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:49:10,565 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:49:10,565 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:49:10,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:49:10 ImpRootNode [2018-11-23 04:49:10,566 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:49:10,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:49:10,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:49:10,566 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:49:10,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:48:47" (3/4) ... [2018-11-23 04:49:10,569 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:49:10,580 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 04:49:10,580 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 04:49:10,580 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:49:10,619 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b917e95-5aca-47ac-992a-e6e5af367362/bin-2019/ukojak/witness.graphml [2018-11-23 04:49:10,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:49:10,620 INFO L168 Benchmark]: Toolchain (without parser) took 23488.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -121.9 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:49:10,621 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:49:10,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.78 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:49:10,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.13 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:49:10,622 INFO L168 Benchmark]: Boogie Preprocessor took 18.05 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:49:10,622 INFO L168 Benchmark]: RCFGBuilder took 351.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:49:10,622 INFO L168 Benchmark]: CodeCheck took 22854.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:49:10,623 INFO L168 Benchmark]: Witness Printer took 52.81 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: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:49:10,625 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 1 procedures, 18 locations, 1 error locations. SAFE Result, 22.7s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26624 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 24604 SolverSat, 24572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1208 GetRequests, 1037 SyntacticMatches, 119 SemanticMatches, 52 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2278 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 16668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 11/286 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 - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((0 <= v && v <= 0) || (v <= 2 && 1 < v)) || (v <= 5 && 4 < v)) || (v <= 9 && 8 < v)) || (v <= 7 && 6 < v)) || (v <= 8 && 7 < v)) || (10 <= v && v / 4 <= 2)) || (0 < v && v <= 1)) || (v <= 3 && 2 < v)) || (v <= 4 && 3 < v)) || (5 < v && v <= 6) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.78 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.13 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.05 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 351.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 22854.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 11.5 GB. * Witness Printer took 52.81 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: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...