./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_2-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 ................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:05:51,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:05:51,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:05:51,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:05:51,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:05:51,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:05:51,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:05:51,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:05:51,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:05:51,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:05:51,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:05:51,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:05:51,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:05:51,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:05:51,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:05:51,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:05:51,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:05:51,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:05:51,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:05:51,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:05:51,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:05:51,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:05:51,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:05:51,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:05:51,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:05:51,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:05:51,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:05:51,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:05:51,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:05:51,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:05:51,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:05:51,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:05:51,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:05:51,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:05:51,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:05:51,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:05:51,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:05:51,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:05:51,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:05:51,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:05:51,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:05:51,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:05:51,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:05:51,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:05:51,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:05:51,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:05:51,333 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:05:51,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:05:51,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:05:51,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:05:51,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:05:51,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:05:51,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:05:51,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:05:51,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:05:51,337 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:05:51,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:05:51,338 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:05:51,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:05:51,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:05:51,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:05:51,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:05:51,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:05:51,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:05:51,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:05:51,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:05:51,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:05:51,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:05:51,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:05:51,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:05:51,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer 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 -> Automizer 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 -> bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 [2019-11-15 20:05:51,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:05:51,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:05:51,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:05:51,433 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:05:51,434 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:05:51,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/../../sv-benchmarks/c/bitvector/jain_2-1.c [2019-11-15 20:05:51,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/data/448412cbf/7551e89653f24606aa1df3ae167701ac/FLAG3b22af04e [2019-11-15 20:05:51,928 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:05:51,929 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/sv-benchmarks/c/bitvector/jain_2-1.c [2019-11-15 20:05:51,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/data/448412cbf/7551e89653f24606aa1df3ae167701ac/FLAG3b22af04e [2019-11-15 20:05:52,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/data/448412cbf/7551e89653f24606aa1df3ae167701ac [2019-11-15 20:05:52,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:05:52,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:05:52,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:05:52,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:05:52,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:05:52,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f59373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52, skipping insertion in model container [2019-11-15 20:05:52,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,309 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:05:52,327 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:05:52,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:05:52,517 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:05:52,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:05:52,669 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:05:52,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52 WrapperNode [2019-11-15 20:05:52,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:05:52,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:05:52,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:05:52,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:05:52,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:05:52,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:05:52,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:05:52,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:05:52,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... [2019-11-15 20:05:52,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:05:52,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:05:52,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:05:52,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:05:52,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/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 [2019-11-15 20:05:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:05:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:05:52,956 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:05:52,956 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 20:05:52,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:05:52 BoogieIcfgContainer [2019-11-15 20:05:52,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:05:52,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:05:52,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:05:52,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:05:52,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:05:52" (1/3) ... [2019-11-15 20:05:52,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f5dea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:05:52, skipping insertion in model container [2019-11-15 20:05:52,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:05:52" (2/3) ... [2019-11-15 20:05:52,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f5dea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:05:52, skipping insertion in model container [2019-11-15 20:05:52,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:05:52" (3/3) ... [2019-11-15 20:05:52,967 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_2-1.c [2019-11-15 20:05:52,978 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:05:52,986 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:05:53,000 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:05:53,027 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:05:53,028 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:05:53,028 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:05:53,028 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:05:53,028 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:05:53,029 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:05:53,029 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:05:53,029 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:05:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-15 20:05:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-15 20:05:53,052 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:05:53,053 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-15 20:05:53,055 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:05:53,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:05:53,061 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-11-15 20:05:53,071 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:05:53,072 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852981883] [2019-11-15 20:05:53,072 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:05:53,072 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:05:53,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:05:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:05:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:05:53,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852981883] [2019-11-15 20:05:53,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:05:53,395 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:05:53,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874033701] [2019-11-15 20:05:53,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:05:53,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:05:53,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:05:53,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:05:53,421 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2019-11-15 20:05:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:05:53,463 INFO L93 Difference]: Finished difference Result 15 states and 23 transitions. [2019-11-15 20:05:53,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:05:53,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-15 20:05:53,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:05:53,475 INFO L225 Difference]: With dead ends: 15 [2019-11-15 20:05:53,476 INFO L226 Difference]: Without dead ends: 7 [2019-11-15 20:05:53,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:05:53,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-15 20:05:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-15 20:05:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-15 20:05:53,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-15 20:05:53,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-11-15 20:05:53,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:05:53,519 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-15 20:05:53,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:05:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-15 20:05:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-15 20:05:53,520 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:05:53,521 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-11-15 20:05:53,521 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:05:53,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:05:53,522 INFO L82 PathProgramCache]: Analyzing trace with hash 925914308, now seen corresponding path program 1 times [2019-11-15 20:05:53,522 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:05:53,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248791330] [2019-11-15 20:05:53,523 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:05:53,523 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:05:53,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:05:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:05:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:05:53,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248791330] [2019-11-15 20:05:53,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701618356] [2019-11-15 20:05:53,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:05:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:05:53,665 WARN L254 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-15 20:05:53,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:05:53,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:05:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:05:53,882 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:05:53,882 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-11-15 20:05:53,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39557685] [2019-11-15 20:05:53,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:05:53,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:05:53,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:05:53,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:05:53,886 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 9 states. [2019-11-15 20:05:53,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:05:53,926 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-11-15 20:05:53,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:05:53,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 6 [2019-11-15 20:05:53,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:05:53,927 INFO L225 Difference]: With dead ends: 7 [2019-11-15 20:05:53,927 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 20:05:53,928 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:05:53,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 20:05:53,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 20:05:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 20:05:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:05:53,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-15 20:05:53,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:05:53,930 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:05:53,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:05:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:05:53,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 20:05:54,131 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:05:54,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 20:05:54,257 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2019-11-15 20:05:54,264 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 20:05:54,264 INFO L439 ceAbstractionStarter]: At program point L25(lines 10 26) the Hoare annotation is: false [2019-11-15 20:05:54,264 INFO L443 ceAbstractionStarter]: For program point L17-2(lines 17 24) no Hoare annotation was computed. [2019-11-15 20:05:54,264 INFO L443 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-15 20:05:54,265 INFO L439 ceAbstractionStarter]: At program point L5-2(lines 4 24) the Hoare annotation is: (or (and (= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~y~0 1)) (and (= 0 (mod (+ ULTIMATE.start_main_~x~0 1) (- 2))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= 0 (mod (+ ULTIMATE.start_main_~y~0 1) 2)))) [2019-11-15 20:05:54,265 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 20:05:54,265 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 20:05:54,265 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-15 20:05:54,265 INFO L443 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-15 20:05:54,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:05:54 BoogieIcfgContainer [2019-11-15 20:05:54,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:05:54,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:05:54,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:05:54,297 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:05:54,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:05:52" (3/4) ... [2019-11-15 20:05:54,322 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 20:05:54,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 20:05:54,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 20:05:54,385 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fed35009-1f90-41f8-bb4b-ff5fa848dff2/bin/uautomizer/witness.graphml [2019-11-15 20:05:54,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:05:54,388 INFO L168 Benchmark]: Toolchain (without parser) took 2101.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -126.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:05:54,388 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:05:54,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -200.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:05:54,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.85 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. [2019-11-15 20:05:54,391 INFO L168 Benchmark]: Boogie Preprocessor took 21.11 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. [2019-11-15 20:05:54,391 INFO L168 Benchmark]: RCFGBuilder took 226.82 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:05:54,392 INFO L168 Benchmark]: TraceAbstraction took 1337.11 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:05:54,393 INFO L168 Benchmark]: Witness Printer took 89.32 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. [2019-11-15 20:05:54,396 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -200.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.85 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. * Boogie Preprocessor took 21.11 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 226.82 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1337.11 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * Witness Printer took 89.32 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 4]: Loop Invariant Derived loop invariant: (x == 1 && y == 1) || ((0 == (x + 1) % -2 && 1 == cond) && 0 == (y + 1) % 2) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 5 SDs, 0 SdLazy, 16 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 27 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 478 SizeOfPredicates, 6 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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...