./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/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 d914ec0bfaa2a2a31d1446521ce955f05ba8541c ................................................................................................................................................................................................................................................................................................................... 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 0.2.0-7b2dab5 [2020-12-09 04:44:35,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:44:35,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:44:35,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:44:35,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:44:35,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:44:35,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:44:35,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:44:35,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:44:35,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:44:35,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:44:35,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:44:35,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:44:35,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:44:35,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:44:35,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:44:35,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:44:35,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:44:35,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:44:35,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:44:35,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:44:35,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:44:35,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:44:35,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:44:35,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:44:35,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:44:35,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:44:35,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:44:35,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:44:35,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:44:35,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:44:35,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:44:35,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:44:35,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:44:35,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:44:35,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:44:35,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:44:35,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:44:35,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:44:35,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:44:35,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:44:35,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-12-09 04:44:35,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:44:35,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:44:35,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:44:35,240 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:44:35,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:44:35,240 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:44:35,240 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 04:44:35,245 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:44:35,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:44:35,245 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 04:44:35,245 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 04:44:35,245 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:44:35,246 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 04:44:35,246 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 04:44:35,246 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 04:44:35,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:44:35,247 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:44:35,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 04:44:35,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 04:44:35,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:44:35,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:44:35,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:44:35,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:44:35,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:44:35,248 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-09 04:44:35,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:44:35,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:44:35,249 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:44:35,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:44:35,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:44:35,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:44:35,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:44:35,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:44:35,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:44:35,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:44:35,250 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 04:44:35,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 04:44:35,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:44:35,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:44:35,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:44:35,251 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_85865a3c-cf0d-40c6-8dca-353f224249e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d914ec0bfaa2a2a31d1446521ce955f05ba8541c [2020-12-09 04:44:35,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:44:35,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:44:35,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:44:35,444 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:44:35,444 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:44:35,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c [2020-12-09 04:44:35,483 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/data/c11b54992/dd3711a985354525a68c065be6a3f9fe/FLAG51ae6bb0e [2020-12-09 04:44:35,891 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:44:35,892 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c [2020-12-09 04:44:35,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/data/c11b54992/dd3711a985354525a68c065be6a3f9fe/FLAG51ae6bb0e [2020-12-09 04:44:35,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/data/c11b54992/dd3711a985354525a68c065be6a3f9fe [2020-12-09 04:44:35,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:44:35,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:44:35,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:44:35,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:44:35,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:44:35,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:44:35" (1/1) ... [2020-12-09 04:44:35,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92d75bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:35, skipping insertion in model container [2020-12-09 04:44:35,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:44:35" (1/1) ... [2020-12-09 04:44:35,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:44:35,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:44:36,092 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c[44406,44419] [2020-12-09 04:44:36,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:44:36,103 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 04:44:36,141 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c[44406,44419] [2020-12-09 04:44:36,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:44:36,153 INFO L208 MainTranslator]: Completed translation [2020-12-09 04:44:36,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36 WrapperNode [2020-12-09 04:44:36,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:44:36,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 04:44:36,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 04:44:36,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 04:44:36,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 04:44:36,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 04:44:36,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 04:44:36,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 04:44:36,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... [2020-12-09 04:44:36,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 04:44:36,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 04:44:36,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 04:44:36,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 04:44:36,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/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 [2020-12-09 04:44:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 04:44:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 04:44:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 04:44:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 04:44:36,371 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 04:44:36,734 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-09 04:44:36,734 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-09 04:44:36,901 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 04:44:36,901 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 04:44:36,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:44:36 BoogieIcfgContainer [2020-12-09 04:44:36,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 04:44:36,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 04:44:36,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 04:44:36,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 04:44:36,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:44:35" (1/3) ... [2020-12-09 04:44:36,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b0c8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:44:36, skipping insertion in model container [2020-12-09 04:44:36,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:36" (2/3) ... [2020-12-09 04:44:36,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b0c8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:44:36, skipping insertion in model container [2020-12-09 04:44:36,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:44:36" (3/3) ... [2020-12-09 04:44:36,909 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.BV.c.cil.c [2020-12-09 04:44:36,918 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 04:44:36,921 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2020-12-09 04:44:36,928 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2020-12-09 04:44:36,945 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 04:44:36,945 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 04:44:36,945 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 04:44:36,945 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 04:44:36,945 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 04:44:36,946 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 04:44:36,946 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 04:44:36,946 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 04:44:36,958 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-12-09 04:44:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-09 04:44:36,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:44:36,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2020-12-09 04:44:36,962 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-09 04:44:36,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:44:36,966 INFO L82 PathProgramCache]: Analyzing trace with hash 22582, now seen corresponding path program 1 times [2020-12-09 04:44:36,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:44:36,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464893103] [2020-12-09 04:44:36,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:44:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 04:44:37,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 04:44:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 04:44:37,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 04:44:37,104 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 04:44:37,105 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 04:44:37,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 04:44:37,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:44:37 BoogieIcfgContainer [2020-12-09 04:44:37,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 04:44:37,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 04:44:37,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 04:44:37,122 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 04:44:37,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:44:36" (3/4) ... [2020-12-09 04:44:37,124 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 04:44:37,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_85865a3c-cf0d-40c6-8dca-353f224249e7/bin/utaipan/witness.graphml [2020-12-09 04:44:37,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 04:44:37,167 INFO L168 Benchmark]: Toolchain (without parser) took 1245.80 ms. Allocated memory is still 121.6 MB. Free memory was 99.9 MB in the beginning and 56.7 MB in the end (delta: 43.2 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. [2020-12-09 04:44:37,167 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory was 44.5 MB in the beginning and 44.4 MB in the end (delta: 54.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:44:37,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.52 ms. Allocated memory is still 121.6 MB. Free memory was 99.7 MB in the beginning and 84.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 04:44:37,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.74 ms. Allocated memory is still 121.6 MB. Free memory was 84.8 MB in the beginning and 81.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 04:44:37,168 INFO L168 Benchmark]: Boogie Preprocessor took 26.48 ms. Allocated memory is still 121.6 MB. Free memory was 81.9 MB in the beginning and 79.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:44:37,169 INFO L168 Benchmark]: RCFGBuilder took 682.31 ms. Allocated memory is still 121.6 MB. Free memory was 79.5 MB in the beginning and 76.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:44:37,169 INFO L168 Benchmark]: TraceAbstraction took 216.72 ms. Allocated memory is still 121.6 MB. Free memory was 75.6 MB in the beginning and 59.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 04:44:37,169 INFO L168 Benchmark]: Witness Printer took 43.88 ms. Allocated memory is still 121.6 MB. Free memory was 59.5 MB in the beginning and 56.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:44:37,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory was 44.5 MB in the beginning and 44.4 MB in the end (delta: 54.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.52 ms. Allocated memory is still 121.6 MB. Free memory was 99.7 MB in the beginning and 84.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.74 ms. Allocated memory is still 121.6 MB. Free memory was 84.8 MB in the beginning and 81.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.48 ms. Allocated memory is still 121.6 MB. Free memory was 81.9 MB in the beginning and 79.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 682.31 ms. Allocated memory is still 121.6 MB. Free memory was 79.5 MB in the beginning and 76.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 216.72 ms. Allocated memory is still 121.6 MB. Free memory was 75.6 MB in the beginning and 59.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 43.88 ms. Allocated memory is still 121.6 MB. Free memory was 59.5 MB in the beginning and 56.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 85]: integer overflow possible integer overflow possible We found a FailurePath: [L680] int s ; [L681] int tmp ; [L685] s = 8464 [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] int s__in_handshake = __VERIFIER_nondet_int(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int(); [L25] int s__options = __VERIFIER_nondet_int(); [L26] int s__verify_mode = __VERIFIER_nondet_int(); [L27] int s__session__peer = __VERIFIER_nondet_int(); [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L29] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int(); [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int(); [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L40] int s__session__cipher ; [L41] int buf ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp ; [L45] int cb ; [L46] long num1 = __VERIFIER_nondet_long(); [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int(); [L53] int tmp___2 = __VERIFIER_nondet_int(); [L54] int tmp___3 = __VERIFIER_nondet_int(); [L55] int tmp___4 = __VERIFIER_nondet_int(); [L56] int tmp___5 = __VERIFIER_nondet_int(); [L57] int tmp___6 = __VERIFIER_nondet_int(); [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long(); [L60] int tmp___9 = __VERIFIER_nondet_int(); [L61] int tmp___10 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X = __VERIFIER_nondet_int(); [L64] int ag_Y = __VERIFIER_nondet_int(); [L65] int __retres69 ; [L68] s__state = initial_state [L69] blastFlag = 0 [L70] tmp = __VERIFIER_nondet_int() [L71] Time = tmp [L72] cb = 0 [L73] ret = -1 [L74] skip = 0 [L75] got_new_session = 0 [L76] COND FALSE !(s__info_callback != 0) [L79] COND TRUE s__ctx__info_callback != 0 [L80] cb = s__ctx__info_callback [L85] s__in_handshake + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 163 locations, 29 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=163occurred 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...