./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_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/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_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/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 [2020-11-22 13:02:41,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:41,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:41,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:41,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:41,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:41,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:41,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:41,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:41,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:41,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:41,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:41,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:41,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:41,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:41,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:41,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:41,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:41,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:41,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:41,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:41,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:41,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:41,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:41,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:41,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:41,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:41,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:41,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:41,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:41,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:41,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:41,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:41,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:41,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:41,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:41,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:41,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:41,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:41,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:41,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:41,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-22 13:02:41,804 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:41,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:41,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:41,807 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:41,808 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:41,808 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:41,808 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:02:41,808 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:41,808 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:41,809 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:02:41,810 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:02:41,810 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:41,810 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:02:41,811 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:02:41,811 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:02:41,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:41,812 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:41,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:02:41,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:02:41,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:41,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:41,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:41,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:41,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:41,814 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-22 13:02:41,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:41,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:41,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:41,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:41,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:41,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:41,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:41,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:41,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:41,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:41,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:41,818 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:02:41,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:02:41,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:41,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:41,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:41,819 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_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6995ed6ba91d7bb4325b7b2cb6cc1ca7ba7d3a61 [2020-11-22 13:02:42,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:42,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:42,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:42,134 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:42,136 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:42,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2020-11-22 13:02:42,213 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/data/3411e344b/1952b1d7a2dd4717b550ad8046ed35f4/FLAGe0abd8cf9 [2020-11-22 13:02:42,647 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:42,648 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2020-11-22 13:02:42,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/data/3411e344b/1952b1d7a2dd4717b550ad8046ed35f4/FLAGe0abd8cf9 [2020-11-22 13:02:43,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/data/3411e344b/1952b1d7a2dd4717b550ad8046ed35f4 [2020-11-22 13:02:43,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:43,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:43,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:43,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:43,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:43,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23938dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43, skipping insertion in model container [2020-11-22 13:02:43,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:43,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:43,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:43,362 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:02:43,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:43,423 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:02:43,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43 WrapperNode [2020-11-22 13:02:43,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:43,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:43,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:02:43,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:02:43,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:43,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:02:43,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:02:43,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:02:43,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... [2020-11-22 13:02:43,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:02:43,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:02:43,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:02:43,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:02:43,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/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 13:02:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:02:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:02:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:02:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:02:43,744 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-22 13:02:44,405 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-22 13:02:44,406 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-22 13:02:44,898 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:02:44,898 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-22 13:02:44,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:44 BoogieIcfgContainer [2020-11-22 13:02:44,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:02:44,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:02:44,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:02:44,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:02:44,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:02:43" (1/3) ... [2020-11-22 13:02:44,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea9706a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:44, skipping insertion in model container [2020-11-22 13:02:44,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:43" (2/3) ... [2020-11-22 13:02:44,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea9706a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:44, skipping insertion in model container [2020-11-22 13:02:44,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:44" (3/3) ... [2020-11-22 13:02:44,909 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-2a.c [2020-11-22 13:02:44,919 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:02:44,926 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-22 13:02:44,938 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-22 13:02:44,971 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:02:44,971 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:02:44,972 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:02:44,972 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:02:44,972 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:02:44,972 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:02:44,972 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:02:44,972 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:02:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-22 13:02:44,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:02:45,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 82 states. [2020-11-22 13:02:45,087 INFO L277 CegarLoopResult]: At program point L531(lines 95 597) the Hoare annotation is: true [2020-11-22 13:02:45,087 INFO L277 CegarLoopResult]: At program point L135(lines 131 555) the Hoare annotation is: true [2020-11-22 13:02:45,088 INFO L277 CegarLoopResult]: At program point L598(lines 94 599) the Hoare annotation is: true [2020-11-22 13:02:45,088 INFO L274 CegarLoopResult]: For program point L170(lines 170 542) no Hoare annotation was computed. [2020-11-22 13:02:45,088 INFO L274 CegarLoopResult]: For program point L137(lines 137 553) no Hoare annotation was computed. [2020-11-22 13:02:45,088 INFO L274 CegarLoopResult]: For program point L104(lines 104 564) no Hoare annotation was computed. [2020-11-22 13:02:45,088 INFO L274 CegarLoopResult]: For program point L567(lines 567 595) no Hoare annotation was computed. [2020-11-22 13:02:45,088 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 317) no Hoare annotation was computed. [2020-11-22 13:02:45,089 INFO L277 CegarLoopResult]: At program point L204(lines 101 565) the Hoare annotation is: true [2020-11-22 13:02:45,089 INFO L277 CegarLoopResult]: At program point L171(lines 167 543) the Hoare annotation is: true [2020-11-22 13:02:45,089 INFO L274 CegarLoopResult]: For program point L568(lines 568 592) no Hoare annotation was computed. [2020-11-22 13:02:45,089 INFO L274 CegarLoopResult]: For program point L337(lines 337 342) no Hoare annotation was computed. [2020-11-22 13:02:45,089 INFO L274 CegarLoopResult]: For program point L569(lines 569 578) no Hoare annotation was computed. [2020-11-22 13:02:45,089 INFO L274 CegarLoopResult]: For program point L569-2(lines 568 590) no Hoare annotation was computed. [2020-11-22 13:02:45,090 INFO L274 CegarLoopResult]: For program point L173(lines 173 541) no Hoare annotation was computed. [2020-11-22 13:02:45,090 INFO L274 CegarLoopResult]: For program point L140(lines 140 552) no Hoare annotation was computed. [2020-11-22 13:02:45,090 INFO L274 CegarLoopResult]: For program point L107(lines 107 563) no Hoare annotation was computed. [2020-11-22 13:02:45,090 INFO L277 CegarLoopResult]: At program point L141(lines 137 553) the Hoare annotation is: true [2020-11-22 13:02:45,090 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-11-22 13:02:45,090 INFO L274 CegarLoopResult]: For program point L439(lines 439 444) no Hoare annotation was computed. [2020-11-22 13:02:45,090 INFO L274 CegarLoopResult]: For program point L307-2(lines 305 317) no Hoare annotation was computed. [2020-11-22 13:02:45,091 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-11-22 13:02:45,091 INFO L274 CegarLoopResult]: For program point L176(lines 176 540) no Hoare annotation was computed. [2020-11-22 13:02:45,091 INFO L274 CegarLoopResult]: For program point L143(lines 143 551) no Hoare annotation was computed. [2020-11-22 13:02:45,091 INFO L274 CegarLoopResult]: For program point L209-2(lines 199 530) no Hoare annotation was computed. [2020-11-22 13:02:45,091 INFO L274 CegarLoopResult]: For program point L110(lines 110 562) no Hoare annotation was computed. [2020-11-22 13:02:45,091 INFO L274 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-11-22 13:02:45,092 INFO L277 CegarLoopResult]: At program point L177(lines 173 541) the Hoare annotation is: true [2020-11-22 13:02:45,092 INFO L274 CegarLoopResult]: For program point L245(lines 245 250) no Hoare annotation was computed. [2020-11-22 13:02:45,092 INFO L274 CegarLoopResult]: For program point L179(lines 179 539) no Hoare annotation was computed. [2020-11-22 13:02:45,092 INFO L274 CegarLoopResult]: For program point L146(lines 146 550) no Hoare annotation was computed. [2020-11-22 13:02:45,092 INFO L274 CegarLoopResult]: For program point L113(lines 113 561) no Hoare annotation was computed. [2020-11-22 13:02:45,092 INFO L277 CegarLoopResult]: At program point L147(lines 143 551) the Hoare annotation is: true [2020-11-22 13:02:45,092 INFO L274 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-11-22 13:02:45,093 INFO L277 CegarLoopResult]: At program point L347(lines 347 351) the Hoare annotation is: true [2020-11-22 13:02:45,093 INFO L274 CegarLoopResult]: For program point L182(lines 182 538) no Hoare annotation was computed. [2020-11-22 13:02:45,093 INFO L274 CegarLoopResult]: For program point L149(lines 149 549) no Hoare annotation was computed. [2020-11-22 13:02:45,093 INFO L274 CegarLoopResult]: For program point L116(lines 116 560) no Hoare annotation was computed. [2020-11-22 13:02:45,093 INFO L277 CegarLoopResult]: At program point L183(lines 179 539) the Hoare annotation is: true [2020-11-22 13:02:45,093 INFO L277 CegarLoopResult]: At program point L117(lines 113 561) the Hoare annotation is: true [2020-11-22 13:02:45,094 INFO L277 CegarLoopResult]: At program point L613(lines 67 615) the Hoare annotation is: true [2020-11-22 13:02:45,094 INFO L274 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-11-22 13:02:45,094 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:02:45,094 INFO L274 CegarLoopResult]: For program point L284-2(lines 199 530) no Hoare annotation was computed. [2020-11-22 13:02:45,094 INFO L274 CegarLoopResult]: For program point L185(lines 185 537) no Hoare annotation was computed. [2020-11-22 13:02:45,094 INFO L274 CegarLoopResult]: For program point L152(lines 152 548) no Hoare annotation was computed. [2020-11-22 13:02:45,094 INFO L274 CegarLoopResult]: For program point L119(lines 119 559) no Hoare annotation was computed. [2020-11-22 13:02:45,095 INFO L274 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-11-22 13:02:45,095 INFO L274 CegarLoopResult]: For program point L221(lines 221 238) no Hoare annotation was computed. [2020-11-22 13:02:45,095 INFO L274 CegarLoopResult]: For program point L188(lines 188 536) no Hoare annotation was computed. [2020-11-22 13:02:45,095 INFO L274 CegarLoopResult]: For program point L155(lines 155 547) no Hoare annotation was computed. [2020-11-22 13:02:45,095 INFO L274 CegarLoopResult]: For program point L221-2(lines 199 530) no Hoare annotation was computed. [2020-11-22 13:02:45,095 INFO L274 CegarLoopResult]: For program point L122(lines 122 558) no Hoare annotation was computed. [2020-11-22 13:02:45,095 INFO L274 CegarLoopResult]: For program point L486-1(lines 486 498) no Hoare annotation was computed. [2020-11-22 13:02:45,096 INFO L274 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-11-22 13:02:45,096 INFO L277 CegarLoopResult]: At program point L189(lines 185 537) the Hoare annotation is: true [2020-11-22 13:02:45,096 INFO L277 CegarLoopResult]: At program point L123(lines 119 559) the Hoare annotation is: true [2020-11-22 13:02:45,096 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:02:45,096 INFO L274 CegarLoopResult]: For program point L223(lines 223 228) no Hoare annotation was computed. [2020-11-22 13:02:45,096 INFO L277 CegarLoopResult]: At program point L191(lines 191 535) the Hoare annotation is: true [2020-11-22 13:02:45,100 INFO L274 CegarLoopResult]: For program point L158(lines 158 546) no Hoare annotation was computed. [2020-11-22 13:02:45,101 INFO L274 CegarLoopResult]: For program point L125(lines 125 557) no Hoare annotation was computed. [2020-11-22 13:02:45,101 INFO L274 CegarLoopResult]: For program point L489(lines 489 494) no Hoare annotation was computed. [2020-11-22 13:02:45,101 INFO L274 CegarLoopResult]: For program point L324-2(lines 199 530) no Hoare annotation was computed. [2020-11-22 13:02:45,101 INFO L277 CegarLoopResult]: At program point L192(lines 191 535) the Hoare annotation is: true [2020-11-22 13:02:45,101 INFO L277 CegarLoopResult]: At program point L159(lines 149 549) the Hoare annotation is: true [2020-11-22 13:02:45,102 INFO L274 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-11-22 13:02:45,102 INFO L274 CegarLoopResult]: For program point L161(lines 161 545) no Hoare annotation was computed. [2020-11-22 13:02:45,102 INFO L274 CegarLoopResult]: For program point L128(lines 128 556) no Hoare annotation was computed. [2020-11-22 13:02:45,102 INFO L274 CegarLoopResult]: For program point L95-1(lines 67 615) no Hoare annotation was computed. [2020-11-22 13:02:45,102 INFO L277 CegarLoopResult]: At program point L129(lines 125 557) the Hoare annotation is: true [2020-11-22 13:02:45,103 INFO L274 CegarLoopResult]: For program point L229(lines 229 234) no Hoare annotation was computed. [2020-11-22 13:02:45,103 INFO L274 CegarLoopResult]: For program point L262-2(lines 199 530) no Hoare annotation was computed. [2020-11-22 13:02:45,103 INFO L274 CegarLoopResult]: For program point L428-2(lines 199 530) no Hoare annotation was computed. [2020-11-22 13:02:45,103 INFO L274 CegarLoopResult]: For program point L164(lines 164 544) no Hoare annotation was computed. [2020-11-22 13:02:45,103 INFO L274 CegarLoopResult]: For program point L131(lines 131 555) no Hoare annotation was computed. [2020-11-22 13:02:45,103 INFO L277 CegarLoopResult]: At program point L98(lines 98 566) the Hoare annotation is: true [2020-11-22 13:02:45,104 INFO L274 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2020-11-22 13:02:45,105 INFO L277 CegarLoopResult]: At program point L165(lines 161 545) the Hoare annotation is: true [2020-11-22 13:02:45,108 INFO L274 CegarLoopResult]: For program point L167(lines 167 543) no Hoare annotation was computed. [2020-11-22 13:02:45,108 INFO L274 CegarLoopResult]: For program point L134(lines 134 554) no Hoare annotation was computed. [2020-11-22 13:02:45,108 INFO L274 CegarLoopResult]: For program point L101(lines 101 565) no Hoare annotation was computed. [2020-11-22 13:02:45,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:02:45 BoogieIcfgContainer [2020-11-22 13:02:45,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:02:45,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:02:45,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:02:45,123 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:02:45,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:44" (3/4) ... [2020-11-22 13:02:45,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:02:45,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-11-22 13:02:45,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-22 13:02:45,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:02:45,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:45,264 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9ff3a2ec-35b2-4a83-8546-1ea935d12b25/bin/utaipan/witness.graphml [2020-11-22 13:02:45,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:02:45,266 INFO L168 Benchmark]: Toolchain (without parser) took 2233.97 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 65.4 MB in the beginning and 54.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,266 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 96.5 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:45,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.41 ms. Allocated memory is still 96.5 MB. Free memory was 65.1 MB in the beginning and 69.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.11 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 67.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,267 INFO L168 Benchmark]: Boogie Preprocessor took 64.21 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 65.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,268 INFO L168 Benchmark]: RCFGBuilder took 1355.44 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 65.3 MB in the beginning and 77.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,268 INFO L168 Benchmark]: TraceAbstraction took 218.36 ms. Allocated memory is still 117.4 MB. Free memory was 76.7 MB in the beginning and 63.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,269 INFO L168 Benchmark]: Witness Printer took 142.55 ms. Allocated memory is still 117.4 MB. Free memory was 63.4 MB in the beginning and 54.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:45,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 96.5 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.41 ms. Allocated memory is still 96.5 MB. Free memory was 65.1 MB in the beginning and 69.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.11 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 67.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.21 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 65.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1355.44 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 65.3 MB in the beginning and 77.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 218.36 ms. Allocated memory is still 117.4 MB. Free memory was 76.7 MB in the beginning and 63.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 142.55 ms. Allocated memory is still 117.4 MB. Free memory was 63.4 MB in the beginning and 54.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 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: 0.0s, 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...