./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:36:43,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:36:43,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 19:36:43,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:36:43,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:36:43,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:36:43,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:36:43,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:36:43,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:36:43,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:36:43,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:36:43,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:36:43,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:36:43,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:36:43,782 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:36:43,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:36:43,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:36:43,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:36:43,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:36:43,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:36:43,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:36:43,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:36:43,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:36:43,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:36:43,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:36:43,786 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:36:43,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:36:43,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:36:43,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:36:43,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:36:43,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:36:43,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:36:43,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:36:43,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:36:43,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:36:43,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:36:43,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:36:43,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:36:43,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:36:43,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:36:43,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:36:43,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:36:43,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:36:43,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:36:43,791 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 [2024-10-24 19:36:44,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:36:44,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:36:44,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:36:44,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:36:44,100 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:36:44,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2024-10-24 19:36:45,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:36:45,997 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:36:45,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2024-10-24 19:36:46,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a9b9b808/89d18a0755b24959954f1b4a5ef7a69f/FLAG6951e7f7e [2024-10-24 19:36:46,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a9b9b808/89d18a0755b24959954f1b4a5ef7a69f [2024-10-24 19:36:46,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:36:46,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:36:46,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:36:46,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:36:46,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:36:46,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:36:46" (1/1) ... [2024-10-24 19:36:46,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a58cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:46, skipping insertion in model container [2024-10-24 19:36:46,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:36:46" (1/1) ... [2024-10-24 19:36:46,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:36:46,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:36:46,863 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:36:47,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:36:47,032 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:36:47,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47 WrapperNode [2024-10-24 19:36:47,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:36:47,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:36:47,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:36:47,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:36:47,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,183 INFO L138 Inliner]: procedures = 31, calls = 224, calls flagged for inlining = 8, calls inlined = 4, statements flattened = 904 [2024-10-24 19:36:47,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:36:47,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:36:47,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:36:47,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:36:47,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,282 INFO L175 MemorySlicer]: Split 196 memory accesses to 5 slices as follows [2, 2, 150, 7, 35]. 77 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 87 writes are split as follows [0, 2, 64, 2, 19]. [2024-10-24 19:36:47,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:36:47,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:36:47,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:36:47,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:36:47,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (1/1) ... [2024-10-24 19:36:47,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:36:47,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:36:47,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 19:36:47,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 19:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 19:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 19:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 19:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 19:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 19:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 19:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 19:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 19:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 19:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 19:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 19:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 19:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 19:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 19:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 19:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 19:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 19:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 19:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 19:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 19:36:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:36:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 19:36:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 19:36:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 19:36:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 19:36:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 19:36:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:36:47,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:36:47,633 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:36:47,635 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:36:47,651 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-24 19:36:48,712 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2024-10-24 19:36:48,713 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2024-10-24 19:36:48,763 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-10-24 19:36:48,764 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:36:48,822 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:36:48,823 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 19:36:48,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:36:48 BoogieIcfgContainer [2024-10-24 19:36:48,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:36:48,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:36:48,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:36:48,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:36:48,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:36:46" (1/3) ... [2024-10-24 19:36:48,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9b3491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:36:48, skipping insertion in model container [2024-10-24 19:36:48,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:36:47" (2/3) ... [2024-10-24 19:36:48,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9b3491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:36:48, skipping insertion in model container [2024-10-24 19:36:48,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:36:48" (3/3) ... [2024-10-24 19:36:48,834 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.c [2024-10-24 19:36:48,852 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:36:48,852 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-24 19:36:48,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:36:48,932 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=PETRI_NET, 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;@e5452f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:36:48,932 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-10-24 19:36:48,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 176 states have (on average 1.75) internal successors, (308), 188 states have internal predecessors, (308), 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) [2024-10-24 19:36:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 19:36:48,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:36:48,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 19:36:48,953 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)] === [2024-10-24 19:36:48,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:36:48,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1290236334, now seen corresponding path program 1 times [2024-10-24 19:36:48,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:36:48,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920528522] [2024-10-24 19:36:48,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:36:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:36:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 19:36:49,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 19:36:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 19:36:49,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 19:36:49,470 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 19:36:49,471 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-10-24 19:36:49,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-10-24 19:36:49,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-10-24 19:36:49,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-10-24 19:36:49,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-10-24 19:36:49,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-10-24 19:36:49,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-10-24 19:36:49,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-10-24 19:36:49,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-10-24 19:36:49,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-10-24 19:36:49,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-10-24 19:36:49,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-10-24 19:36:49,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:36:49,482 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 19:36:49,516 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:36:49,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:36:49 BoogieIcfgContainer [2024-10-24 19:36:49,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:36:49,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:36:49,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:36:49,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:36:49,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:36:48" (3/4) ... [2024-10-24 19:36:49,525 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-24 19:36:49,587 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:36:49,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:36:49,588 INFO L158 Benchmark]: Toolchain (without parser) took 3350.90ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 110.0MB in the beginning and 67.3MB in the end (delta: 42.6MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. [2024-10-24 19:36:49,588 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 167.8MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:36:49,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.41ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 74.7MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-24 19:36:49,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.32ms. Allocated memory is still 167.8MB. Free memory was 74.7MB in the beginning and 133.1MB in the end (delta: -58.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-10-24 19:36:49,590 INFO L158 Benchmark]: Boogie Preprocessor took 142.56ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 133.0MB in the beginning and 198.4MB in the end (delta: -65.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-10-24 19:36:49,590 INFO L158 Benchmark]: RCFGBuilder took 1490.70ms. Allocated memory is still 241.2MB. Free memory was 198.4MB in the beginning and 121.9MB in the end (delta: 76.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-10-24 19:36:49,590 INFO L158 Benchmark]: TraceAbstraction took 695.95ms. Allocated memory is still 241.2MB. Free memory was 121.9MB in the beginning and 70.5MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-10-24 19:36:49,591 INFO L158 Benchmark]: Witness Printer took 65.35ms. Allocated memory is still 241.2MB. Free memory was 70.5MB in the beginning and 67.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 19:36:49,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 167.8MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.41ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 74.7MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.32ms. Allocated memory is still 167.8MB. Free memory was 74.7MB in the beginning and 133.1MB in the end (delta: -58.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.56ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 133.0MB in the beginning and 198.4MB in the end (delta: -65.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1490.70ms. Allocated memory is still 241.2MB. Free memory was 198.4MB in the beginning and 121.9MB in the end (delta: 76.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * TraceAbstraction took 695.95ms. Allocated memory is still 241.2MB. Free memory was 121.9MB in the beginning and 70.5MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 65.35ms. Allocated memory is still 241.2MB. Free memory was 70.5MB in the beginning and 67.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 ; [L1055] static SSL_METHOD SSLv3_server_data ; [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)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND TRUE __VERIFIER_nondet_int() [L1098] s->cert = (struct cert_st *) 0 VAL [SSLv3_server_data={4:0}, init=1] [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [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 VAL [SSLv3_server_data={4:0}, init=1] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake VAL [SSLv3_server_data={4:0}, init=1] [L1151] s->in_handshake += 1 VAL [SSLv3_server_data={4:0}, blastFlag=0, cb={0:-1}, got_new_session=0, init=1, ret=-1, s={-3:0}, 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: 1638]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1638]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1726]: 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, 189 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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=189occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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! [2024-10-24 19:36:49,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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)