./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.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_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/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 6995ed6ba91d7bb4325b7b2cb6cc1ca7ba7d3a61 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:38:50,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:38:50,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:38:50,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:38:50,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:38:50,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:38:50,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:38:50,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:38:50,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:38:50,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:38:50,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:38:50,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:38:50,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:38:50,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:38:50,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:38:50,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:38:50,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:38:50,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:38:50,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:38:50,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:38:50,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:38:50,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:38:50,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:38:50,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:38:50,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:38:50,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:38:50,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:38:50,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:38:50,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:38:50,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:38:50,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:38:50,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:38:50,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:38:50,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:38:50,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:38:50,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:38:50,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:38:50,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:38:50,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:38:50,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:38:50,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:38:50,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-28 07:38:50,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:38:50,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:38:50,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:38:50,679 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:38:50,680 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:38:50,680 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:38:50,680 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:38:50,680 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:38:50,681 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:38:50,681 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:38:50,682 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:38:50,682 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:38:50,682 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:38:50,683 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:38:50,683 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:38:50,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:38:50,684 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:38:50,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:38:50,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:38:50,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:38:50,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:38:50,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:38:50,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:38:50,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:38:50,686 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 07:38:50,686 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:38:50,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:38:50,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:38:50,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:38:50,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:38:50,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:38:50,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:38:50,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:38:50,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:38:50,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:38:50,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:38:50,689 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:38:50,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:38:50,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:38:50,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:38:50,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:38:50,690 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_f7ea5987-0797-497f-bcde-aa3e7247c186/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6995ed6ba91d7bb4325b7b2cb6cc1ca7ba7d3a61 [2020-11-28 07:38:50,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:38:51,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:38:51,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:38:51,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:38:51,025 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:38:51,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2020-11-28 07:38:51,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/data/675f9daf2/b3b201db01d342e5ae8a9e14af812b19/FLAG3ff41259d [2020-11-28 07:38:51,711 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:38:51,712 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2020-11-28 07:38:51,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/data/675f9daf2/b3b201db01d342e5ae8a9e14af812b19/FLAG3ff41259d [2020-11-28 07:38:51,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/data/675f9daf2/b3b201db01d342e5ae8a9e14af812b19 [2020-11-28 07:38:52,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:38:52,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:38:52,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:52,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:38:52,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:38:52,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2d02a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52, skipping insertion in model container [2020-11-28 07:38:52,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:38:52,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:38:52,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:38:52,416 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:38:52,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:38:52,501 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:38:52,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52 WrapperNode [2020-11-28 07:38:52,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:52,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:38:52,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:38:52,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:38:52,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:38:52,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:38:52,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:38:52,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:38:52,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... [2020-11-28 07:38:52,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:38:52,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:38:52,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:38:52,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:38:52,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/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 [2020-11-28 07:38:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:38:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:38:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:38:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:38:52,922 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 07:38:53,602 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-28 07:38:53,603 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-28 07:38:54,159 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:38:54,160 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 07:38:54,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:54 BoogieIcfgContainer [2020-11-28 07:38:54,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:38:54,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:38:54,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:38:54,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:38:54,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:38:52" (1/3) ... [2020-11-28 07:38:54,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c142e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:38:54, skipping insertion in model container [2020-11-28 07:38:54,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:52" (2/3) ... [2020-11-28 07:38:54,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c142e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:38:54, skipping insertion in model container [2020-11-28 07:38:54,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:54" (3/3) ... [2020-11-28 07:38:54,171 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-2a.c [2020-11-28 07:38:54,182 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:38:54,187 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-28 07:38:54,198 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-28 07:38:54,231 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:38:54,232 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:38:54,232 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:38:54,232 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:38:54,232 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:38:54,232 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:38:54,232 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:38:54,233 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:38:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-28 07:38:54,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:38:54,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 82 states. [2020-11-28 07:38:54,362 INFO L277 CegarLoopResult]: At program point L531(lines 95 597) the Hoare annotation is: true [2020-11-28 07:38:54,362 INFO L277 CegarLoopResult]: At program point L135(lines 131 555) the Hoare annotation is: true [2020-11-28 07:38:54,362 INFO L277 CegarLoopResult]: At program point L598(lines 94 599) the Hoare annotation is: true [2020-11-28 07:38:54,362 INFO L274 CegarLoopResult]: For program point L170(lines 170 542) no Hoare annotation was computed. [2020-11-28 07:38:54,362 INFO L274 CegarLoopResult]: For program point L137(lines 137 553) no Hoare annotation was computed. [2020-11-28 07:38:54,363 INFO L274 CegarLoopResult]: For program point L104(lines 104 564) no Hoare annotation was computed. [2020-11-28 07:38:54,363 INFO L274 CegarLoopResult]: For program point L567(lines 567 595) no Hoare annotation was computed. [2020-11-28 07:38:54,363 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 317) no Hoare annotation was computed. [2020-11-28 07:38:54,363 INFO L277 CegarLoopResult]: At program point L204(lines 101 565) the Hoare annotation is: true [2020-11-28 07:38:54,363 INFO L277 CegarLoopResult]: At program point L171(lines 167 543) the Hoare annotation is: true [2020-11-28 07:38:54,363 INFO L274 CegarLoopResult]: For program point L568(lines 568 592) no Hoare annotation was computed. [2020-11-28 07:38:54,364 INFO L274 CegarLoopResult]: For program point L337(lines 337 342) no Hoare annotation was computed. [2020-11-28 07:38:54,364 INFO L274 CegarLoopResult]: For program point L569(lines 569 578) no Hoare annotation was computed. [2020-11-28 07:38:54,364 INFO L274 CegarLoopResult]: For program point L569-2(lines 568 590) no Hoare annotation was computed. [2020-11-28 07:38:54,364 INFO L274 CegarLoopResult]: For program point L173(lines 173 541) no Hoare annotation was computed. [2020-11-28 07:38:54,364 INFO L274 CegarLoopResult]: For program point L140(lines 140 552) no Hoare annotation was computed. [2020-11-28 07:38:54,364 INFO L274 CegarLoopResult]: For program point L107(lines 107 563) no Hoare annotation was computed. [2020-11-28 07:38:54,364 INFO L277 CegarLoopResult]: At program point L141(lines 137 553) the Hoare annotation is: true [2020-11-28 07:38:54,365 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-11-28 07:38:54,365 INFO L274 CegarLoopResult]: For program point L439(lines 439 444) no Hoare annotation was computed. [2020-11-28 07:38:54,365 INFO L274 CegarLoopResult]: For program point L307-2(lines 305 317) no Hoare annotation was computed. [2020-11-28 07:38:54,365 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-11-28 07:38:54,365 INFO L274 CegarLoopResult]: For program point L176(lines 176 540) no Hoare annotation was computed. [2020-11-28 07:38:54,365 INFO L274 CegarLoopResult]: For program point L143(lines 143 551) no Hoare annotation was computed. [2020-11-28 07:38:54,366 INFO L274 CegarLoopResult]: For program point L209-2(lines 199 530) no Hoare annotation was computed. [2020-11-28 07:38:54,366 INFO L274 CegarLoopResult]: For program point L110(lines 110 562) no Hoare annotation was computed. [2020-11-28 07:38:54,366 INFO L274 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-11-28 07:38:54,366 INFO L277 CegarLoopResult]: At program point L177(lines 173 541) the Hoare annotation is: true [2020-11-28 07:38:54,366 INFO L274 CegarLoopResult]: For program point L245(lines 245 250) no Hoare annotation was computed. [2020-11-28 07:38:54,366 INFO L274 CegarLoopResult]: For program point L179(lines 179 539) no Hoare annotation was computed. [2020-11-28 07:38:54,366 INFO L274 CegarLoopResult]: For program point L146(lines 146 550) no Hoare annotation was computed. [2020-11-28 07:38:54,367 INFO L274 CegarLoopResult]: For program point L113(lines 113 561) no Hoare annotation was computed. [2020-11-28 07:38:54,367 INFO L277 CegarLoopResult]: At program point L147(lines 143 551) the Hoare annotation is: true [2020-11-28 07:38:54,367 INFO L274 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-11-28 07:38:54,367 INFO L277 CegarLoopResult]: At program point L347(lines 347 351) the Hoare annotation is: true [2020-11-28 07:38:54,367 INFO L274 CegarLoopResult]: For program point L182(lines 182 538) no Hoare annotation was computed. [2020-11-28 07:38:54,367 INFO L274 CegarLoopResult]: For program point L149(lines 149 549) no Hoare annotation was computed. [2020-11-28 07:38:54,367 INFO L274 CegarLoopResult]: For program point L116(lines 116 560) no Hoare annotation was computed. [2020-11-28 07:38:54,368 INFO L277 CegarLoopResult]: At program point L183(lines 179 539) the Hoare annotation is: true [2020-11-28 07:38:54,368 INFO L277 CegarLoopResult]: At program point L117(lines 113 561) the Hoare annotation is: true [2020-11-28 07:38:54,368 INFO L277 CegarLoopResult]: At program point L613(lines 67 615) the Hoare annotation is: true [2020-11-28 07:38:54,368 INFO L274 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-11-28 07:38:54,368 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:38:54,368 INFO L274 CegarLoopResult]: For program point L284-2(lines 199 530) no Hoare annotation was computed. [2020-11-28 07:38:54,373 INFO L274 CegarLoopResult]: For program point L185(lines 185 537) no Hoare annotation was computed. [2020-11-28 07:38:54,373 INFO L274 CegarLoopResult]: For program point L152(lines 152 548) no Hoare annotation was computed. [2020-11-28 07:38:54,373 INFO L274 CegarLoopResult]: For program point L119(lines 119 559) no Hoare annotation was computed. [2020-11-28 07:38:54,373 INFO L274 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-11-28 07:38:54,373 INFO L274 CegarLoopResult]: For program point L221(lines 221 238) no Hoare annotation was computed. [2020-11-28 07:38:54,373 INFO L274 CegarLoopResult]: For program point L188(lines 188 536) no Hoare annotation was computed. [2020-11-28 07:38:54,374 INFO L274 CegarLoopResult]: For program point L155(lines 155 547) no Hoare annotation was computed. [2020-11-28 07:38:54,374 INFO L274 CegarLoopResult]: For program point L221-2(lines 199 530) no Hoare annotation was computed. [2020-11-28 07:38:54,374 INFO L274 CegarLoopResult]: For program point L122(lines 122 558) no Hoare annotation was computed. [2020-11-28 07:38:54,375 INFO L274 CegarLoopResult]: For program point L486-1(lines 486 498) no Hoare annotation was computed. [2020-11-28 07:38:54,375 INFO L274 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-11-28 07:38:54,375 INFO L277 CegarLoopResult]: At program point L189(lines 185 537) the Hoare annotation is: true [2020-11-28 07:38:54,375 INFO L277 CegarLoopResult]: At program point L123(lines 119 559) the Hoare annotation is: true [2020-11-28 07:38:54,376 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:38:54,376 INFO L274 CegarLoopResult]: For program point L223(lines 223 228) no Hoare annotation was computed. [2020-11-28 07:38:54,376 INFO L277 CegarLoopResult]: At program point L191(lines 191 535) the Hoare annotation is: true [2020-11-28 07:38:54,377 INFO L274 CegarLoopResult]: For program point L158(lines 158 546) no Hoare annotation was computed. [2020-11-28 07:38:54,378 INFO L274 CegarLoopResult]: For program point L125(lines 125 557) no Hoare annotation was computed. [2020-11-28 07:38:54,378 INFO L274 CegarLoopResult]: For program point L489(lines 489 494) no Hoare annotation was computed. [2020-11-28 07:38:54,378 INFO L274 CegarLoopResult]: For program point L324-2(lines 199 530) no Hoare annotation was computed. [2020-11-28 07:38:54,378 INFO L277 CegarLoopResult]: At program point L192(lines 191 535) the Hoare annotation is: true [2020-11-28 07:38:54,378 INFO L277 CegarLoopResult]: At program point L159(lines 149 549) the Hoare annotation is: true [2020-11-28 07:38:54,378 INFO L274 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-11-28 07:38:54,378 INFO L274 CegarLoopResult]: For program point L161(lines 161 545) no Hoare annotation was computed. [2020-11-28 07:38:54,379 INFO L274 CegarLoopResult]: For program point L128(lines 128 556) no Hoare annotation was computed. [2020-11-28 07:38:54,379 INFO L274 CegarLoopResult]: For program point L95-1(lines 67 615) no Hoare annotation was computed. [2020-11-28 07:38:54,379 INFO L277 CegarLoopResult]: At program point L129(lines 125 557) the Hoare annotation is: true [2020-11-28 07:38:54,379 INFO L274 CegarLoopResult]: For program point L229(lines 229 234) no Hoare annotation was computed. [2020-11-28 07:38:54,379 INFO L274 CegarLoopResult]: For program point L262-2(lines 199 530) no Hoare annotation was computed. [2020-11-28 07:38:54,380 INFO L274 CegarLoopResult]: For program point L428-2(lines 199 530) no Hoare annotation was computed. [2020-11-28 07:38:54,380 INFO L274 CegarLoopResult]: For program point L164(lines 164 544) no Hoare annotation was computed. [2020-11-28 07:38:54,380 INFO L274 CegarLoopResult]: For program point L131(lines 131 555) no Hoare annotation was computed. [2020-11-28 07:38:54,380 INFO L277 CegarLoopResult]: At program point L98(lines 98 566) the Hoare annotation is: true [2020-11-28 07:38:54,381 INFO L274 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2020-11-28 07:38:54,382 INFO L277 CegarLoopResult]: At program point L165(lines 161 545) the Hoare annotation is: true [2020-11-28 07:38:54,385 INFO L274 CegarLoopResult]: For program point L167(lines 167 543) no Hoare annotation was computed. [2020-11-28 07:38:54,385 INFO L274 CegarLoopResult]: For program point L134(lines 134 554) no Hoare annotation was computed. [2020-11-28 07:38:54,386 INFO L274 CegarLoopResult]: For program point L101(lines 101 565) no Hoare annotation was computed. [2020-11-28 07:38:54,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:38:54 BoogieIcfgContainer [2020-11-28 07:38:54,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:38:54,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:38:54,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:38:54,400 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:38:54,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:54" (3/4) ... [2020-11-28 07:38:54,405 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:38:54,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-11-28 07:38:54,436 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-28 07:38:54,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:38:54,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:38:54,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f7ea5987-0797-497f-bcde-aa3e7247c186/bin/utaipan/witness.graphml [2020-11-28 07:38:54,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:38:54,634 INFO L168 Benchmark]: Toolchain (without parser) took 2629.42 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 55.9 MB in the beginning and 94.7 MB in the end (delta: -38.8 MB). Peak memory consumption was 45.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:54,635 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:38:54,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.36 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 60.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:54,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.03 ms. Allocated memory is still 86.0 MB. Free memory was 60.2 MB in the beginning and 57.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:54,636 INFO L168 Benchmark]: Boogie Preprocessor took 62.17 ms. Allocated memory is still 86.0 MB. Free memory was 57.4 MB in the beginning and 55.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:54,637 INFO L168 Benchmark]: RCFGBuilder took 1522.99 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 55.7 MB in the beginning and 69.1 MB in the end (delta: -13.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:54,637 INFO L168 Benchmark]: TraceAbstraction took 233.87 ms. Allocated memory is still 119.5 MB. Free memory was 69.1 MB in the beginning and 55.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:54,637 INFO L168 Benchmark]: Witness Printer took 233.49 ms. Allocated memory is still 119.5 MB. Free memory was 55.2 MB in the beginning and 94.7 MB in the end (delta: -39.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:54,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 494.36 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 60.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.03 ms. Allocated memory is still 86.0 MB. Free memory was 60.2 MB in the beginning and 57.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.17 ms. Allocated memory is still 86.0 MB. Free memory was 57.4 MB in the beginning and 55.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1522.99 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 55.7 MB in the beginning and 69.1 MB in the end (delta: -13.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 233.87 ms. Allocated memory is still 119.5 MB. Free memory was 69.1 MB in the beginning and 55.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 233.49 ms. Allocated memory is still 119.5 MB. Free memory was 55.2 MB in the beginning and 94.7 MB in the end (delta: -39.5 MB). Peak memory consumption was 12.6 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: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: 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: 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: 95]: 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: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: 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...