./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i --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_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/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_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/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_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/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 2ecc737c5af1d503eeeb325d3c287e7ad2d57d21 ........................................................................................................................................................................................................................................................................................................................ 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 02:23:41,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:41,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:41,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:41,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:41,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:41,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:41,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:41,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:41,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:41,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:41,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:41,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:41,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:41,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:41,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:41,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:41,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:41,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:41,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:41,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:41,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:41,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:41,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:41,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:41,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:41,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:41,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:41,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:41,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:41,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:41,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:41,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:41,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:41,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:41,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:41,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:41,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:41,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:41,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:41,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:41,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-11 02:23:41,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:41,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:41,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:41,386 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:41,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:41,387 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:41,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:41,388 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:41,388 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:41,388 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:41,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:41,388 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:41,389 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:41,389 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:41,389 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:41,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:41,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:41,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:41,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:41,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:41,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:41,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:41,391 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 02:23:41,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:41,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:41,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:41,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:41,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:41,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:41,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:41,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:41,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:41,393 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:41,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:41,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:41,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:41,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:41,394 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_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecc737c5af1d503eeeb325d3c287e7ad2d57d21 [2021-10-11 02:23:41,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:41,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:41,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:41,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:41,745 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:41,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2021-10-11 02:23:41,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/data/0186d80b9/7596d0b925b747f3a0b2bc9d8172c50c/FLAG5e309c4e2 [2021-10-11 02:23:42,273 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:42,274 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2021-10-11 02:23:42,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/data/0186d80b9/7596d0b925b747f3a0b2bc9d8172c50c/FLAG5e309c4e2 [2021-10-11 02:23:42,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/data/0186d80b9/7596d0b925b747f3a0b2bc9d8172c50c [2021-10-11 02:23:42,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:42,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:42,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:42,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:42,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:42,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:42" (1/1) ... [2021-10-11 02:23:42,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e50f222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:42, skipping insertion in model container [2021-10-11 02:23:42,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:42" (1/1) ... [2021-10-11 02:23:42,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:42,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:42,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:42,931 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:42,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:43,022 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:43,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43 WrapperNode [2021-10-11 02:23:43,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:43,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:43,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:43,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:43,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:43,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:43,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:43,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:43,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... [2021-10-11 02:23:43,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:43,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:43,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:43,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:43,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/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 02:23:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:43,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:43,426 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 02:23:43,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:43 BoogieIcfgContainer [2021-10-11 02:23:43,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:43,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:43,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:43,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:43,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:42" (1/3) ... [2021-10-11 02:23:43,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190f33a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:43, skipping insertion in model container [2021-10-11 02:23:43,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:43" (2/3) ... [2021-10-11 02:23:43,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190f33a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:43, skipping insertion in model container [2021-10-11 02:23:43,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:43" (3/3) ... [2021-10-11 02:23:43,439 INFO L111 eAbstractionObserver]: Analyzing ICFG IntegerPromotion-1.i [2021-10-11 02:23:43,455 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:43,459 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 02:23:43,471 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 02:23:43,515 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:43,529 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:43,529 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:43,529 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:43,530 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:43,530 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:43,530 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:43,530 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:43,561 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-10-11 02:23:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-11 02:23:43,566 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:43,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2021-10-11 02:23:43,568 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:23:43,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:43,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1398, now seen corresponding path program 1 times [2021-10-11 02:23:43,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:43,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599278720] [2021-10-11 02:23:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:43,775 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 02:23:43,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599278720] [2021-10-11 02:23:43,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:43,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:23:43,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385656605] [2021-10-11 02:23:43,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:43,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:43,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:43,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:43,799 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2021-10-11 02:23:43,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:43,831 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2021-10-11 02:23:43,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:43,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2021-10-11 02:23:43,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:43,842 INFO L225 Difference]: With dead ends: 10 [2021-10-11 02:23:43,842 INFO L226 Difference]: Without dead ends: 7 [2021-10-11 02:23:43,845 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 02:23:43,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-11 02:23:43,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-11 02:23:43,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-11 02:23:43,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-10-11 02:23:43,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 2 [2021-10-11 02:23:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:43,880 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-10-11 02:23:43,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-10-11 02:23:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 02:23:43,881 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:43,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 02:23:43,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:23:43,882 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:23:43,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:43,883 INFO L82 PathProgramCache]: Analyzing trace with hash 43374, now seen corresponding path program 1 times [2021-10-11 02:23:43,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:43,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001388580] [2021-10-11 02:23:43,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:43,916 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 02:23:43,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001388580] [2021-10-11 02:23:43,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:43,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 02:23:43,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457941109] [2021-10-11 02:23:43,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:43,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:43,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:43,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:43,921 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 3 states. [2021-10-11 02:23:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:43,931 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2021-10-11 02:23:43,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:43,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-10-11 02:23:43,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:43,932 INFO L225 Difference]: With dead ends: 7 [2021-10-11 02:23:43,932 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:43,934 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 02:23:43,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:43,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:43,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:43,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:43,935 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2021-10-11 02:23:43,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:43,935 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:43,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:43,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:43,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:23:43,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:23:43,954 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2021-10-11 02:23:43,962 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:23:43,963 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2021-10-11 02:23:43,963 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2021-10-11 02:23:43,963 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed. [2021-10-11 02:23:43,963 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:23:43,963 INFO L262 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2021-10-11 02:23:43,964 INFO L262 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2021-10-11 02:23:43,964 INFO L262 CegarLoopResult]: For program point L333-2(line 333) no Hoare annotation was computed. [2021-10-11 02:23:43,964 INFO L258 CegarLoopResult]: At program point L333-3(line 333) the Hoare annotation is: (and (<= ULTIMATE.start_main_~a~0 32767) (<= 32767 ULTIMATE.start_main_~a~0)) [2021-10-11 02:23:43,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:43 BoogieIcfgContainer [2021-10-11 02:23:43,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:43,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:43,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:43,984 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:43,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:43" (3/4) ... [2021-10-11 02:23:43,992 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:23:44,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-11 02:23:44,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-11 02:23:44,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:23:44,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a120a6-18f9-4d8f-b04f-9f296904f1cd/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:44,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:44,034 INFO L168 Benchmark]: Toolchain (without parser) took 1399.36 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 49.4 MB in the beginning and 56.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,034 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory is still 66.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:44,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.77 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 49.2 MB in the beginning and 76.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.62 ms. Allocated memory is still 111.1 MB. Free memory was 76.7 MB in the beginning and 75.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,041 INFO L168 Benchmark]: Boogie Preprocessor took 19.45 ms. Allocated memory is still 111.1 MB. Free memory was 75.2 MB in the beginning and 74.5 MB in the end (delta: 755.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:44,042 INFO L168 Benchmark]: RCFGBuilder took 342.24 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 82.3 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,043 INFO L168 Benchmark]: TraceAbstraction took 551.95 ms. Allocated memory is still 111.1 MB. Free memory was 82.3 MB in the beginning and 58.4 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,043 INFO L168 Benchmark]: Witness Printer took 48.63 ms. Allocated memory is still 111.1 MB. Free memory was 58.4 MB in the beginning and 56.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory is still 66.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.77 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 49.2 MB in the beginning and 76.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.62 ms. Allocated memory is still 111.1 MB. Free memory was 76.7 MB in the beginning and 75.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.45 ms. Allocated memory is still 111.1 MB. Free memory was 75.2 MB in the beginning and 74.5 MB in the end (delta: 755.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 342.24 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 82.3 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 551.95 ms. Allocated memory is still 111.1 MB. Free memory was 82.3 MB in the beginning and 58.4 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 48.63 ms. Allocated memory is still 111.1 MB. Free memory was 58.4 MB in the beginning and 56.3 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: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: a <= 32767 && 32767 <= a - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 7 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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...