./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.15.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.15.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 4d1a05335dcd475270df3d2b7e447bf62801b1b41377a4a2d9fc94b2523fc1ec --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:26:20,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:26:21,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 07:26:21,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:26:21,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:26:21,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:26:21,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:26:21,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:26:21,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:26:21,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:26:21,089 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:26:21,089 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:26:21,090 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:26:21,090 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:26:21,091 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:26:21,091 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:26:21,092 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:26:21,092 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:26:21,093 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:26:21,093 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:26:21,094 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:26:21,097 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:26:21,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:26:21,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:26:21,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:26:21,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:26:21,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:26:21,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:26:21,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:26:21,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:26:21,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:26:21,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:26:21,105 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 07:26:21,106 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:26:21,106 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:26:21,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:26:21,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:26:21,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:26:21,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:26:21,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:26:21,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:26:21,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:26:21,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:26:21,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:26:21,114 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:26:21,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:26:21,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:26:21,114 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:26:21,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:26:21,115 INFO L153 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_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1a05335dcd475270df3d2b7e447bf62801b1b41377a4a2d9fc94b2523fc1ec [2024-11-09 07:26:21,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:26:21,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:26:21,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:26:21,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:26:21,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:26:21,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/openssl/s3_srvr.blast.15.i.cil-1.c Unable to find full path for "g++" [2024-11-09 07:26:23,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:26:23,841 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:26:23,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/sv-benchmarks/c/openssl/s3_srvr.blast.15.i.cil-1.c [2024-11-09 07:26:23,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/data/5b488b925/5e54db9759634e10b2dd166dc6e9b53b/FLAGfc6560c99 [2024-11-09 07:26:23,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/data/5b488b925/5e54db9759634e10b2dd166dc6e9b53b [2024-11-09 07:26:23,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:26:23,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:26:23,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:26:23,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:26:23,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:26:23,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4834e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23, skipping insertion in model container [2024-11-09 07:26:23,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:24,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:26:24,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:26:24,552 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:26:24,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:26:24,804 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:26:24,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24 WrapperNode [2024-11-09 07:26:24,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:26:24,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:26:24,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:26:24,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:26:24,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,900 INFO L138 Inliner]: procedures = 32, calls = 249, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 943 [2024-11-09 07:26:24,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:26:24,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:26:24,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:26:24,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:26:24,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:24,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:26:24,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:26:24,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:26:24,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:26:24,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (1/1) ... [2024-11-09 07:26:25,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:26:25,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:26:25,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:26:25,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:26:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:26:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:26:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:26:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:26:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:26:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:26:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:26:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:26:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:26:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:26:25,374 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:26:25,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:26:25,409 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:26:26,766 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2024-11-09 07:26:26,766 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2024-11-09 07:26:26,822 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-09 07:26:26,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:26:27,318 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:26:27,320 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:26:27,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:26:27 BoogieIcfgContainer [2024-11-09 07:26:27,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:26:27,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:26:27,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:26:27,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:26:27,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:26:23" (1/3) ... [2024-11-09 07:26:27,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3ed490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:26:27, skipping insertion in model container [2024-11-09 07:26:27,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:24" (2/3) ... [2024-11-09 07:26:27,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3ed490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:26:27, skipping insertion in model container [2024-11-09 07:26:27,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:26:27" (3/3) ... [2024-11-09 07:26:27,333 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.15.i.cil-1.c [2024-11-09 07:26:27,355 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:26:27,355 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-09 07:26:27,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:26:27,462 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3821a2ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:26:27,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-09 07:26:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 122 states have (on average 1.778688524590164) internal successors, (217), 134 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:26:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 07:26:27,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:26:27,477 INFO L215 NwaCegarLoop]: trace histogram [1, 1] [2024-11-09 07:26:27,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 07:26:27,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:26:27,486 INFO L85 PathProgramCache]: Analyzing trace with hash 28692, now seen corresponding path program 1 times [2024-11-09 07:26:27,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:26:27,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821231456] [2024-11-09 07:26:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:26:27,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:26:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:26:28,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:26:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:26:28,730 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:26:28,732 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:26:28,733 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-09 07:26:28,735 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-09 07:26:28,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-09 07:26:28,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-09 07:26:28,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-09 07:26:28,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-09 07:26:28,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-09 07:26:28,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-09 07:26:28,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-09 07:26:28,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-09 07:26:28,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-09 07:26:28,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-09 07:26:28,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:26:28,745 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:26:28,781 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:26:28,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:26:28 BoogieIcfgContainer [2024-11-09 07:26:28,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:26:28,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:26:28,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:26:28,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:26:28,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:26:27" (3/4) ... [2024-11-09 07:26:28,789 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 07:26:28,866 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 07:26:28,871 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:26:28,872 INFO L158 Benchmark]: Toolchain (without parser) took 4979.73ms. Allocated memory was 125.8MB in the beginning and 216.0MB in the end (delta: 90.2MB). Free memory was 87.1MB in the beginning and 103.5MB in the end (delta: -16.5MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-11-09 07:26:28,874 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:26:28,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.45ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 86.8MB in the beginning and 124.9MB in the end (delta: -38.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-11-09 07:26:28,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.18ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 119.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:26:28,876 INFO L158 Benchmark]: Boogie Preprocessor took 93.70ms. Allocated memory is still 161.5MB. Free memory was 119.3MB in the beginning and 111.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 07:26:28,876 INFO L158 Benchmark]: RCFGBuilder took 2325.65ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 70.6MB in the end (delta: 41.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-09 07:26:28,876 INFO L158 Benchmark]: TraceAbstraction took 1462.59ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 69.5MB in the beginning and 106.7MB in the end (delta: -37.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-09 07:26:28,877 INFO L158 Benchmark]: Witness Printer took 83.53ms. Allocated memory is still 216.0MB. Free memory was 106.7MB in the beginning and 103.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:26:28,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.45ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 86.8MB in the beginning and 124.9MB in the end (delta: -38.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.18ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 119.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.70ms. Allocated memory is still 161.5MB. Free memory was 119.3MB in the beginning and 111.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2325.65ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 70.6MB in the end (delta: 41.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1462.59ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 69.5MB in the beginning and 106.7MB in the end (delta: -37.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Witness Printer took 83.53ms. Allocated memory is still 216.0MB. Free memory was 106.7MB in the beginning and 103.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1151]: integer overflow possible integer overflow possible We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1105] CALL ssl3_accept(s) [L1111] BUF_MEM *buf ; [L1112] unsigned long l ; [L1113] unsigned long Time ; [L1114] unsigned long tmp ; [L1115] void (*cb)() ; [L1116] long num1 ; [L1117] int ret ; [L1118] int new_state ; [L1119] int state ; [L1120] int skip ; [L1121] int got_new_session ; [L1122] int tmp___1 = __VERIFIER_nondet_int() ; [L1123] int tmp___2 = __VERIFIER_nondet_int() ; [L1124] int tmp___3 = __VERIFIER_nondet_int() ; [L1125] int tmp___4 = __VERIFIER_nondet_int() ; [L1126] int tmp___5 = __VERIFIER_nondet_int() ; [L1127] int tmp___6 = __VERIFIER_nondet_int() ; [L1128] int tmp___7 ; [L1129] long tmp___8 = __VERIFIER_nondet_long() ; [L1130] int tmp___9 = __VERIFIER_nondet_int() ; [L1131] int tmp___10 = __VERIFIER_nondet_int() ; [L1132] int blastFlag ; [L1136] s->state = 8464 [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback [L1146] COND FALSE !((unsigned long )s->info_callback != (unsigned long )((void *)0)) [L1151] EXPR s->in_handshake VAL [SSLv3_server_data={4:0}, blastFlag=0, cb={0:0}, got_new_session=0, init=1, ret=-1, s={-7:0}, skip=0, tmp___10=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1151] s->in_handshake += 1 VAL [SSLv3_server_data={4:0}, blastFlag=0, cb={0:0}, got_new_session=0, init=1, ret=-1, s={-7:0}, skip=0, tmp___10=0, tmp___1=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - UnprovableResult [Line: 1151]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1329]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1329]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1331]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1331]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1429]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1429]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1759]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1759]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, InterpolantAutomatonStates: 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, 0.6s 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! [2024-11-09 07:26:28,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d941af75-5827-4083-8889-628ebd6ac5dc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)