./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.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_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/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 dd4a534b15636e47642409d66969fbbd8a5be15e ............................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:55:57,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:55:57,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:55:57,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:55:57,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:55:57,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:55:57,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:55:57,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:55:57,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:55:57,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:55:57,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:55:57,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:55:57,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:55:57,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:55:57,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:55:57,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:55:57,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:55:57,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:55:57,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:55:57,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:55:57,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:55:57,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:55:57,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:55:57,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:55:57,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:55:57,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:55:57,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:55:57,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:55:57,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:55:57,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:55:57,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:55:57,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:55:57,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:55:57,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:55:57,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:55:57,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:55:57,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:55:57,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:55:57,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:55:57,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:55:57,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:55:57,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-22 12:55:57,267 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:55:57,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:55:57,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:55:57,268 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:55:57,268 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:55:57,268 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:55:57,269 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:55:57,269 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:55:57,269 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:55:57,270 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:55:57,270 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:55:57,270 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:55:57,270 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:55:57,270 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:55:57,271 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:55:57,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:55:57,272 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:55:57,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:55:57,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:55:57,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:55:57,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:55:57,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:55:57,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:55:57,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:55:57,273 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-22 12:55:57,273 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:55:57,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:55:57,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:55:57,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:55:57,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:55:57,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:55:57,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:55:57,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:57,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:55:57,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:55:57,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:55:57,276 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:55:57,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:55:57,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:55:57,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:55:57,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:55:57,277 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_aa601f9f-f99a-43c7-b382-fff0bc46eb51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd4a534b15636e47642409d66969fbbd8a5be15e [2020-11-22 12:55:57,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:55:57,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:55:57,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:55:57,595 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:55:57,596 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:55:57,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c [2020-11-22 12:55:57,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/data/0fe49dc05/352ce0f42c59432d8c7b46bf82499b07/FLAGf8a89f190 [2020-11-22 12:55:58,175 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:55:58,176 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c [2020-11-22 12:55:58,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/data/0fe49dc05/352ce0f42c59432d8c7b46bf82499b07/FLAGf8a89f190 [2020-11-22 12:55:58,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/data/0fe49dc05/352ce0f42c59432d8c7b46bf82499b07 [2020-11-22 12:55:58,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:55:58,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:55:58,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:58,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:55:58,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:55:58,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c63a1 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 12:55:58,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:55:58,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:58,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:58,809 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:55:58,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:58,887 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:55:58,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58 WrapperNode [2020-11-22 12:55:58,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:58,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:58,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:55:58,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:55:58,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:58,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:55:58,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:55:58,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:55:58,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:58,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:59,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... [2020-11-22 12:55:59,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:55:59,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:55:59,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:55:59,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:55:59,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/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 12:55:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:55:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:55:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:55:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:55:59,395 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-22 12:56:00,238 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-22 12:56:00,239 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-22 12:56:00,541 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:00,541 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-22 12:56:00,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:00 BoogieIcfgContainer [2020-11-22 12:56:00,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:00,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:00,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:00,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:00,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:55:58" (1/3) ... [2020-11-22 12:56:00,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360cc273 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 12:56:00,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:58" (2/3) ... [2020-11-22 12:56:00,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360cc273 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 12:56:00,550 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 12:56:00,552 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.BV.c.cil.c [2020-11-22 12:56:00,562 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:00,567 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-11-22 12:56:00,578 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-11-22 12:56:00,603 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:00,603 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:00,603 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:00,604 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:00,604 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:00,604 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:00,604 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:00,604 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2020-11-22 12:56:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-22 12:56:00,631 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:00,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2020-11-22 12:56:00,632 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-22 12:56:00,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:00,637 INFO L82 PathProgramCache]: Analyzing trace with hash 21962, now seen corresponding path program 1 times [2020-11-22 12:56:00,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:00,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781131385] [2020-11-22 12:56:00,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:00,746 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:00,782 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:00,819 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 12:56:00,820 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:56:00,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:56:00,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:00 BoogieIcfgContainer [2020-11-22 12:56:00,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:00,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:00,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:00,864 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:00,865 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 12:56:00,870 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 12:56:00,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aa601f9f-f99a-43c7-b382-fff0bc46eb51/bin/utaipan/witness.graphml [2020-11-22 12:56:00,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:00,942 INFO L168 Benchmark]: Toolchain (without parser) took 2447.70 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 54.3 MB in the beginning and 64.0 MB in the end (delta: -9.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:00,942 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory was 61.0 MB in the beginning and 60.9 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:00,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.26 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 54.1 MB in the beginning and 94.5 MB in the end (delta: -40.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:00,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.03 ms. Allocated memory is still 121.6 MB. Free memory was 94.5 MB in the beginning and 91.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:00,949 INFO L168 Benchmark]: Boogie Preprocessor took 62.96 ms. Allocated memory is still 121.6 MB. Free memory was 91.8 MB in the beginning and 89.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:00,949 INFO L168 Benchmark]: RCFGBuilder took 1527.25 ms. Allocated memory is still 121.6 MB. Free memory was 89.7 MB in the beginning and 82.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:00,950 INFO L168 Benchmark]: TraceAbstraction took 317.19 ms. Allocated memory is still 121.6 MB. Free memory was 82.9 MB in the beginning and 67.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:00,950 INFO L168 Benchmark]: Witness Printer took 75.81 ms. Allocated memory is still 121.6 MB. Free memory was 66.8 MB in the beginning and 64.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:00,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory was 61.0 MB in the beginning and 60.9 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 390.26 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 54.1 MB in the beginning and 94.5 MB in the end (delta: -40.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.03 ms. Allocated memory is still 121.6 MB. Free memory was 94.5 MB in the beginning and 91.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.96 ms. Allocated memory is still 121.6 MB. Free memory was 91.8 MB in the beginning and 89.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1527.25 ms. Allocated memory is still 121.6 MB. Free memory was 89.7 MB in the beginning and 82.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 317.19 ms. Allocated memory is still 121.6 MB. Free memory was 82.9 MB in the beginning and 67.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 75.81 ms. Allocated memory is still 121.6 MB. Free memory was 66.8 MB in the beginning and 64.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 83]: integer overflow possible integer overflow possible We found a FailurePath: [L681] int s ; [L682] int tmp ; [L686] s = 8464 [L12] int s__info_callback = __VERIFIER_nondet_int(); [L13] int s__in_handshake = __VERIFIER_nondet_int(); [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int(); [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int(); [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int(); [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int(); [L26] int s__options = __VERIFIER_nondet_int(); [L27] int s__verify_mode = __VERIFIER_nondet_int(); [L28] int s__session__peer = __VERIFIER_nondet_int(); [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L30] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L31] int s__ctx__stats__sess_accept_renegotiate ; [L32] int s__ctx__stats__sess_accept ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int buf = __VERIFIER_nondet_int(); [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp = __VERIFIER_nondet_ulong(); [L46] int cb ; [L47] long num1 ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int(); [L54] int tmp___2 = __VERIFIER_nondet_int(); [L55] int tmp___3 ; [L56] int tmp___4 ; [L57] int tmp___5 ; [L58] int tmp___6 ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long(); [L61] int tmp___9 ; [L62] int tmp___10 ; [L63] int blastFlag ; [L64] int __retres67 ; [L67] s__state = initial_state [L68] blastFlag = 0 [L69] Time = tmp [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] got_new_session = 0 [L74] COND TRUE s__info_callback != 0 [L75] cb = s__info_callback [L83] s__in_handshake + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 130 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, 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=130occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...