./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Waldkirch.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Waldkirch.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a10ccd42123994759390bf7d921442c28e0623a ................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:22:53,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:53,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:53,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:53,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:53,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:53,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:53,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:53,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:53,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:53,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:53,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:53,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:53,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:53,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:53,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:53,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:53,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:53,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:53,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:53,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:53,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:53,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:53,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:53,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:53,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:53,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:53,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:53,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:53,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:53,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:53,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:53,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:53,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:53,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:53,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:53,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:53,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:53,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:53,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:53,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:53,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-11 02:22:53,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:53,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:53,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:53,374 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:53,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:53,375 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:53,375 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:53,375 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:53,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:53,382 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:53,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:53,384 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:53,384 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:53,384 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:53,384 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:53,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:53,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:22:53,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:53,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:53,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:53,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:53,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:53,387 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 02:22:53,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:53,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:53,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:53,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:53,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:53,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:53,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:53,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:53,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:53,391 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:53,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:53,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:53,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:53,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:53,392 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a10ccd42123994759390bf7d921442c28e0623a [2021-10-11 02:22:53,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:53,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:53,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:53,763 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:53,765 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:53,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/termination-crafted/Waldkirch.c [2021-10-11 02:22:53,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/data/49f1feb53/d0a098408cf24435aca7e0aec04ae359/FLAGb8483d4af [2021-10-11 02:22:54,317 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:54,318 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/sv-benchmarks/c/termination-crafted/Waldkirch.c [2021-10-11 02:22:54,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/data/49f1feb53/d0a098408cf24435aca7e0aec04ae359/FLAGb8483d4af [2021-10-11 02:22:54,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/data/49f1feb53/d0a098408cf24435aca7e0aec04ae359 [2021-10-11 02:22:54,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:54,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:54,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:54,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:54,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:54,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339c1c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54, skipping insertion in model container [2021-10-11 02:22:54,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:54,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:54,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:54,877 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:54,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:54,931 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:54,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54 WrapperNode [2021-10-11 02:22:54,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:54,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:54,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:54,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:54,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:54,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:54,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:54,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:54,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... [2021-10-11 02:22:54,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:54,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:54,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:54,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:54,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:55,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:55,251 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 02:22:55,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:55 BoogieIcfgContainer [2021-10-11 02:22:55,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:55,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:55,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:55,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:55,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:54" (1/3) ... [2021-10-11 02:22:55,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc5a5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:55, skipping insertion in model container [2021-10-11 02:22:55,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:54" (2/3) ... [2021-10-11 02:22:55,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc5a5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:55, skipping insertion in model container [2021-10-11 02:22:55,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:55" (3/3) ... [2021-10-11 02:22:55,264 INFO L111 eAbstractionObserver]: Analyzing ICFG Waldkirch.c [2021-10-11 02:22:55,291 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:55,295 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 02:22:55,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 02:22:55,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:55,358 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:55,359 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:55,359 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:55,359 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:55,359 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:55,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:55,359 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2021-10-11 02:22:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 02:22:55,389 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:55,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 02:22:55,390 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:22:55,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:55,399 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2021-10-11 02:22:55,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:22:55,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358549579] [2021-10-11 02:22:55,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:22:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:55,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358549579] [2021-10-11 02:22:55,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:55,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:22:55,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882446817] [2021-10-11 02:22:55,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:55,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:22:55,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:55,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:55,654 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2021-10-11 02:22:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:55,717 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-10-11 02:22:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:55,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-10-11 02:22:55,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:55,730 INFO L225 Difference]: With dead ends: 7 [2021-10-11 02:22:55,731 INFO L226 Difference]: Without dead ends: 5 [2021-10-11 02:22:55,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2021-10-11 02:22:55,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2021-10-11 02:22:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-11 02:22:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2021-10-11 02:22:55,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2021-10-11 02:22:55,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:55,780 INFO L481 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2021-10-11 02:22:55,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2021-10-11 02:22:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:22:55,782 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:55,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:22:55,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:22:55,783 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:22:55,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:55,787 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2021-10-11 02:22:55,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:22:55,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384465332] [2021-10-11 02:22:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:22:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:55,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384465332] [2021-10-11 02:22:55,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:55,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:55,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108393248] [2021-10-11 02:22:55,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:55,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:22:55,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:55,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:55,844 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 3 states. [2021-10-11 02:22:55,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:55,872 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2021-10-11 02:22:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:55,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2021-10-11 02:22:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:55,874 INFO L225 Difference]: With dead ends: 5 [2021-10-11 02:22:55,875 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:22:55,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:55,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:22:55,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:22:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:22:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:22:55,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-11 02:22:55,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:55,879 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:22:55,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:22:55,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:22:55,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:22:55,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:22:55,896 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2021-10-11 02:22:55,896 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:22:55,897 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2021-10-11 02:22:55,897 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:22:55,897 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-11 02:22:55,897 INFO L262 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-10-11 02:22:55,898 INFO L258 CegarLoopResult]: At program point L14-2(lines 14 16) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2021-10-11 02:22:55,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:55 BoogieIcfgContainer [2021-10-11 02:22:55,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:55,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:55,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:55,918 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:55,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:55" (3/4) ... [2021-10-11 02:22:55,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:22:55,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-11 02:22:55,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-11 02:22:55,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:22:55,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370a8823-068a-4762-b52f-da8f41c040fa/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:22:55,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:55,995 INFO L168 Benchmark]: Toolchain (without parser) took 1308.14 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 54.7 MB in the beginning and 97.1 MB in the end (delta: -42.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:55,996 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory is still 70.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:55,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.73 ms. Allocated memory is still 94.4 MB. Free memory was 54.5 MB in the beginning and 70.7 MB in the end (delta: -16.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:56,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.49 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 69.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:56,002 INFO L168 Benchmark]: Boogie Preprocessor took 14.22 ms. Allocated memory is still 94.4 MB. Free memory was 69.5 MB in the beginning and 68.6 MB in the end (delta: 923.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:56,008 INFO L168 Benchmark]: RCFGBuilder took 268.70 ms. Allocated memory is still 94.4 MB. Free memory was 68.6 MB in the beginning and 59.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:56,012 INFO L168 Benchmark]: TraceAbstraction took 659.92 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 58.7 MB in the beginning and 99.2 MB in the end (delta: -40.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:56,013 INFO L168 Benchmark]: Witness Printer took 76.52 ms. Allocated memory is still 132.1 MB. Free memory was 99.2 MB in the beginning and 97.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:56,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory is still 70.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.73 ms. Allocated memory is still 94.4 MB. Free memory was 54.5 MB in the beginning and 70.7 MB in the end (delta: -16.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.49 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 69.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 14.22 ms. Allocated memory is still 94.4 MB. Free memory was 69.5 MB in the beginning and 68.6 MB in the end (delta: 923.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 268.70 ms. Allocated memory is still 94.4 MB. Free memory was 68.6 MB in the beginning and 59.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 659.92 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 58.7 MB in the beginning and 99.2 MB in the end (delta: -40.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 76.52 ms. Allocated memory is still 132.1 MB. Free memory was 99.2 MB in the beginning and 97.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 3 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...