./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan --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 32bit --witnessprinter.graph.data.programhash 310063ef643a90e947dd66ba142cc8ae546f077a ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:55:56,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:55:56,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:55:56,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:55:56,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:55:57,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:55:57,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:55:57,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:55:57,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:55:57,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:55:57,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:55:57,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:55:57,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:55:57,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:55:57,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:55:57,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:55:57,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:55:57,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:55:57,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:55:57,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:55:57,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:55:57,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:55:57,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:55:57,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:55:57,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:55:57,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:55:57,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:55:57,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:55:57,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:55:57,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:55:57,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:55:57,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:55:57,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:55:57,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:55:57,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:55:57,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:55:57,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:55:57,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:55:57,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:55:57,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:55:57,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:55:57,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-22 12:55:57,153 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:55:57,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:55:57,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:55:57,156 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:55:57,156 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:55:57,157 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:55:57,157 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:55:57,157 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:55:57,158 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:55:57,158 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:55:57,159 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:55:57,160 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:55:57,160 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:55:57,161 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:55:57,161 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:55:57,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:55:57,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:55:57,163 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:55:57,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:55:57,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:55:57,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:55:57,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:55:57,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:55:57,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:55:57,166 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-22 12:55:57,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:55:57,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:55:57,167 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:55:57,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:55:57,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:55:57,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:55:57,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:55:57,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:57,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:55:57,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:55:57,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:55:57,173 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:55:57,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:55:57,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:55:57,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:55:57,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:55:57,175 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-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310063ef643a90e947dd66ba142cc8ae546f077a [2020-11-22 12:55:57,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:55:57,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:55:57,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:55:57,564 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:55:57,572 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:55:57,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2020-11-22 12:55:57,677 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/data/b96bac28e/6f99d8ccf1e8499e87e8809fff9a1b8e/FLAG61fcd3517 [2020-11-22 12:55:58,282 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:55:58,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2020-11-22 12:55:58,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/data/b96bac28e/6f99d8ccf1e8499e87e8809fff9a1b8e/FLAG61fcd3517 [2020-11-22 12:55:58,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/data/b96bac28e/6f99d8ccf1e8499e87e8809fff9a1b8e [2020-11-22 12:55:58,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:55:58,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:55:58,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:58,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:55:58,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:55:58,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90b5f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58, skipping insertion in model container [2020-11-22 12:55:58,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:55:58,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:59,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:59,012 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:55:59,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:59,103 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:55:59,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59 WrapperNode [2020-11-22 12:55:59,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:59,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:59,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:55:59,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:55:59,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:59,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:55:59,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:55:59,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:55:59,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... [2020-11-22 12:55:59,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:55:59,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:55:59,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:55:59,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:55:59,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:55:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:55:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:55:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:55:59,587 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-22 12:56:00,313 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-22 12:56:00,313 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-22 12:56:00,966 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:00,967 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-22 12:56:00,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:00 BoogieIcfgContainer [2020-11-22 12:56:00,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:00,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:00,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:00,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:00,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:55:58" (1/3) ... [2020-11-22 12:56:00,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9d44dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:00, skipping insertion in model container [2020-11-22 12:56:00,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:59" (2/3) ... [2020-11-22 12:56:00,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9d44dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:00, skipping insertion in model container [2020-11-22 12:56:00,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:00" (3/3) ... [2020-11-22 12:56:00,981 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-1a.c [2020-11-22 12:56:00,998 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:01,004 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-22 12:56:01,018 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-22 12:56:01,059 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:01,059 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:01,059 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:01,059 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:01,059 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:01,060 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:01,060 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:01,060 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-22 12:56:01,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:56:01,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 82 states. [2020-11-22 12:56:01,190 INFO L277 CegarLoopResult]: At program point L135(lines 131 556) the Hoare annotation is: true [2020-11-22 12:56:01,191 INFO L277 CegarLoopResult]: At program point L532(lines 95 598) the Hoare annotation is: true [2020-11-22 12:56:01,191 INFO L277 CegarLoopResult]: At program point L599(lines 94 600) the Hoare annotation is: true [2020-11-22 12:56:01,191 INFO L274 CegarLoopResult]: For program point L170(lines 170 543) no Hoare annotation was computed. [2020-11-22 12:56:01,191 INFO L274 CegarLoopResult]: For program point L137(lines 137 554) no Hoare annotation was computed. [2020-11-22 12:56:01,191 INFO L274 CegarLoopResult]: For program point L104(lines 104 565) no Hoare annotation was computed. [2020-11-22 12:56:01,191 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 317) no Hoare annotation was computed. [2020-11-22 12:56:01,191 INFO L277 CegarLoopResult]: At program point L204(lines 101 566) the Hoare annotation is: true [2020-11-22 12:56:01,192 INFO L277 CegarLoopResult]: At program point L171(lines 167 544) the Hoare annotation is: true [2020-11-22 12:56:01,192 INFO L274 CegarLoopResult]: For program point L568(lines 568 596) no Hoare annotation was computed. [2020-11-22 12:56:01,192 INFO L274 CegarLoopResult]: For program point L569(lines 569 593) no Hoare annotation was computed. [2020-11-22 12:56:01,192 INFO L274 CegarLoopResult]: For program point L338(lines 338 343) no Hoare annotation was computed. [2020-11-22 12:56:01,192 INFO L274 CegarLoopResult]: For program point L173(lines 173 542) no Hoare annotation was computed. [2020-11-22 12:56:01,192 INFO L274 CegarLoopResult]: For program point L140(lines 140 553) no Hoare annotation was computed. [2020-11-22 12:56:01,193 INFO L274 CegarLoopResult]: For program point L107(lines 107 564) no Hoare annotation was computed. [2020-11-22 12:56:01,193 INFO L274 CegarLoopResult]: For program point L570(lines 570 579) no Hoare annotation was computed. [2020-11-22 12:56:01,193 INFO L274 CegarLoopResult]: For program point L570-2(lines 569 591) no Hoare annotation was computed. [2020-11-22 12:56:01,193 INFO L277 CegarLoopResult]: At program point L141(lines 137 554) the Hoare annotation is: true [2020-11-22 12:56:01,193 INFO L274 CegarLoopResult]: For program point L307-2(lines 305 317) no Hoare annotation was computed. [2020-11-22 12:56:01,193 INFO L274 CegarLoopResult]: For program point L572(lines 572 576) no Hoare annotation was computed. [2020-11-22 12:56:01,193 INFO L274 CegarLoopResult]: For program point L440(lines 440 445) no Hoare annotation was computed. [2020-11-22 12:56:01,194 INFO L274 CegarLoopResult]: For program point L176(lines 176 541) no Hoare annotation was computed. [2020-11-22 12:56:01,194 INFO L274 CegarLoopResult]: For program point L143(lines 143 552) no Hoare annotation was computed. [2020-11-22 12:56:01,194 INFO L274 CegarLoopResult]: For program point L209-2(lines 199 531) no Hoare annotation was computed. [2020-11-22 12:56:01,194 INFO L274 CegarLoopResult]: For program point L110(lines 110 563) no Hoare annotation was computed. [2020-11-22 12:56:01,194 INFO L274 CegarLoopResult]: For program point L474(lines 474 478) no Hoare annotation was computed. [2020-11-22 12:56:01,194 INFO L277 CegarLoopResult]: At program point L177(lines 173 542) the Hoare annotation is: true [2020-11-22 12:56:01,195 INFO L274 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-11-22 12:56:01,195 INFO L274 CegarLoopResult]: For program point L245(lines 245 250) no Hoare annotation was computed. [2020-11-22 12:56:01,195 INFO L274 CegarLoopResult]: For program point L179(lines 179 540) no Hoare annotation was computed. [2020-11-22 12:56:01,195 INFO L274 CegarLoopResult]: For program point L146(lines 146 551) no Hoare annotation was computed. [2020-11-22 12:56:01,195 INFO L274 CegarLoopResult]: For program point L113(lines 113 562) no Hoare annotation was computed. [2020-11-22 12:56:01,195 INFO L277 CegarLoopResult]: At program point L147(lines 143 552) the Hoare annotation is: true [2020-11-22 12:56:01,195 INFO L274 CegarLoopResult]: For program point L182(lines 182 539) no Hoare annotation was computed. [2020-11-22 12:56:01,196 INFO L274 CegarLoopResult]: For program point L149(lines 149 550) no Hoare annotation was computed. [2020-11-22 12:56:01,196 INFO L274 CegarLoopResult]: For program point L116(lines 116 561) no Hoare annotation was computed. [2020-11-22 12:56:01,196 INFO L274 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-11-22 12:56:01,196 INFO L277 CegarLoopResult]: At program point L348(lines 348 352) the Hoare annotation is: true [2020-11-22 12:56:01,196 INFO L277 CegarLoopResult]: At program point L183(lines 179 540) the Hoare annotation is: true [2020-11-22 12:56:01,196 INFO L277 CegarLoopResult]: At program point L117(lines 113 562) the Hoare annotation is: true [2020-11-22 12:56:01,196 INFO L277 CegarLoopResult]: At program point L614(lines 67 616) the Hoare annotation is: true [2020-11-22 12:56:01,197 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:56:01,197 INFO L274 CegarLoopResult]: For program point L284-2(lines 199 531) no Hoare annotation was computed. [2020-11-22 12:56:01,197 INFO L274 CegarLoopResult]: For program point L185(lines 185 538) no Hoare annotation was computed. [2020-11-22 12:56:01,197 INFO L274 CegarLoopResult]: For program point L152(lines 152 549) no Hoare annotation was computed. [2020-11-22 12:56:01,197 INFO L274 CegarLoopResult]: For program point L119(lines 119 560) no Hoare annotation was computed. [2020-11-22 12:56:01,197 INFO L274 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-11-22 12:56:01,197 INFO L274 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-11-22 12:56:01,198 INFO L274 CegarLoopResult]: For program point L221(lines 221 238) no Hoare annotation was computed. [2020-11-22 12:56:01,198 INFO L274 CegarLoopResult]: For program point L188(lines 188 537) no Hoare annotation was computed. [2020-11-22 12:56:01,198 INFO L274 CegarLoopResult]: For program point L155(lines 155 548) no Hoare annotation was computed. [2020-11-22 12:56:01,198 INFO L274 CegarLoopResult]: For program point L221-2(lines 199 531) no Hoare annotation was computed. [2020-11-22 12:56:01,198 INFO L274 CegarLoopResult]: For program point L122(lines 122 559) no Hoare annotation was computed. [2020-11-22 12:56:01,198 INFO L277 CegarLoopResult]: At program point L189(lines 185 538) the Hoare annotation is: true [2020-11-22 12:56:01,199 INFO L277 CegarLoopResult]: At program point L123(lines 119 560) the Hoare annotation is: true [2020-11-22 12:56:01,199 INFO L274 CegarLoopResult]: For program point L487-1(lines 487 499) no Hoare annotation was computed. [2020-11-22 12:56:01,199 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-11-22 12:56:01,199 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:56:01,199 INFO L274 CegarLoopResult]: For program point L223(lines 223 228) no Hoare annotation was computed. [2020-11-22 12:56:01,199 INFO L277 CegarLoopResult]: At program point L191(lines 191 536) the Hoare annotation is: true [2020-11-22 12:56:01,199 INFO L274 CegarLoopResult]: For program point L158(lines 158 547) no Hoare annotation was computed. [2020-11-22 12:56:01,200 INFO L274 CegarLoopResult]: For program point L125(lines 125 558) no Hoare annotation was computed. [2020-11-22 12:56:01,200 INFO L277 CegarLoopResult]: At program point L192(lines 191 536) the Hoare annotation is: true [2020-11-22 12:56:01,200 INFO L277 CegarLoopResult]: At program point L159(lines 149 550) the Hoare annotation is: true [2020-11-22 12:56:01,200 INFO L274 CegarLoopResult]: For program point L490(lines 490 495) no Hoare annotation was computed. [2020-11-22 12:56:01,200 INFO L274 CegarLoopResult]: For program point L325-2(lines 199 531) no Hoare annotation was computed. [2020-11-22 12:56:01,200 INFO L274 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-11-22 12:56:01,200 INFO L274 CegarLoopResult]: For program point L161(lines 161 546) no Hoare annotation was computed. [2020-11-22 12:56:01,200 INFO L274 CegarLoopResult]: For program point L128(lines 128 557) no Hoare annotation was computed. [2020-11-22 12:56:01,201 INFO L274 CegarLoopResult]: For program point L95-1(lines 67 616) no Hoare annotation was computed. [2020-11-22 12:56:01,201 INFO L277 CegarLoopResult]: At program point L129(lines 125 558) the Hoare annotation is: true [2020-11-22 12:56:01,201 INFO L274 CegarLoopResult]: For program point L229(lines 229 234) no Hoare annotation was computed. [2020-11-22 12:56:01,201 INFO L274 CegarLoopResult]: For program point L262-2(lines 199 531) no Hoare annotation was computed. [2020-11-22 12:56:01,201 INFO L274 CegarLoopResult]: For program point L164(lines 164 545) no Hoare annotation was computed. [2020-11-22 12:56:01,201 INFO L274 CegarLoopResult]: For program point L131(lines 131 556) no Hoare annotation was computed. [2020-11-22 12:56:01,201 INFO L277 CegarLoopResult]: At program point L98(lines 98 567) the Hoare annotation is: true [2020-11-22 12:56:01,202 INFO L274 CegarLoopResult]: For program point L429-2(lines 199 531) no Hoare annotation was computed. [2020-11-22 12:56:01,202 INFO L277 CegarLoopResult]: At program point L165(lines 161 546) the Hoare annotation is: true [2020-11-22 12:56:01,202 INFO L274 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-11-22 12:56:01,202 INFO L274 CegarLoopResult]: For program point L167(lines 167 544) no Hoare annotation was computed. [2020-11-22 12:56:01,202 INFO L274 CegarLoopResult]: For program point L134(lines 134 555) no Hoare annotation was computed. [2020-11-22 12:56:01,202 INFO L274 CegarLoopResult]: For program point L101(lines 101 566) no Hoare annotation was computed. [2020-11-22 12:56:01,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:01 BoogieIcfgContainer [2020-11-22 12:56:01,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:01,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:01,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:01,217 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:01,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:00" (3/4) ... [2020-11-22 12:56:01,221 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:56:01,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-11-22 12:56:01,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-22 12:56:01,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:56:01,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:01,466 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_df912b6b-feec-42dc-ac8d-057d37a3c23a/bin/utaipan/witness.graphml [2020-11-22 12:56:01,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:01,469 INFO L168 Benchmark]: Toolchain (without parser) took 2841.11 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 51.7 MB in the beginning and 64.6 MB in the end (delta: -12.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,470 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 42.7 MB in the beginning and 42.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:01,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.24 ms. Allocated memory is still 83.9 MB. Free memory was 51.6 MB in the beginning and 56.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.52 ms. Allocated memory is still 83.9 MB. Free memory was 56.8 MB in the beginning and 54.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,472 INFO L168 Benchmark]: Boogie Preprocessor took 92.93 ms. Allocated memory is still 83.9 MB. Free memory was 54.0 MB in the beginning and 52.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,473 INFO L168 Benchmark]: RCFGBuilder took 1677.19 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 51.8 MB in the beginning and 43.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,475 INFO L168 Benchmark]: TraceAbstraction took 244.29 ms. Allocated memory is still 104.9 MB. Free memory was 42.7 MB in the beginning and 73.9 MB in the end (delta: -31.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,476 INFO L168 Benchmark]: Witness Printer took 250.37 ms. Allocated memory is still 104.9 MB. Free memory was 73.9 MB in the beginning and 64.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 42.7 MB in the beginning and 42.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.24 ms. Allocated memory is still 83.9 MB. Free memory was 51.6 MB in the beginning and 56.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.52 ms. Allocated memory is still 83.9 MB. Free memory was 56.8 MB in the beginning and 54.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.93 ms. Allocated memory is still 83.9 MB. Free memory was 54.0 MB in the beginning and 52.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1677.19 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 51.8 MB in the beginning and 43.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 244.29 ms. Allocated memory is still 104.9 MB. Free memory was 42.7 MB in the beginning and 73.9 MB in the end (delta: -31.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Witness Printer took 250.37 ms. Allocated memory is still 104.9 MB. Free memory was 73.9 MB in the beginning and 64.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 20 NumberOfFragments, 20 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...